PIP4902W
Service Bulletin/Repair Instructions
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
Vehicle report
Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.
PIP4902W
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
PIT5680B
This PI provides information to repair the door water deflector which is not sealed properly allows water into the door jam/sill area.
PIT5099J
PI to help diagnose A/C concern
PIT5509N
This PI provides diagnostic tips for diagnosing electric trailer brakes issues.
PIT5544J
This Preliminary information communicates information on a hydraulic rush type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made. The noise is most noticeable in the cab at idle, in park, with all accessories turned off.
PIT5509M
This PI provides diagnostic tips for diagnosing electric trailer brakes issues.
PIT3271Q
This preliminary information communicates information about how to determine if a wheel and tires size change is available.
PIP4902V
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
PIP6104
This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical Assistance Case in CX Connect.
PIT4506J
This Preliminary Information communication provides information to the technician that some owners of Heavy Duty Trucks and Utilities may ask if they can lower their tire pressures. Tire pressures being set to the "Tire and Loading Label" will ensure the safe handling and ride characteristics of the truck and should not be lowered.
PIT6483
This preliminary information communicates an issue with aftermarket LED headlights causing IPC warning messages and MIL along with several low speed lan DTCs.
PIT6400A
This PI Communications information on an alternative product dealers can use to perform 19-NA-255: Wax Coating on Frame Peeling, Metal Shows Corrosion/Rusting due to issue with getting product from current supplier listed in the bulletin.
PIP4902U
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
PIT5214G
This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer’s vehicles that exhibit vibration conditions without utilizing the support of General Motors Technical Assistance Center. If valid vibration frequency or Road Force Variation data has been collected and a repair attempt does not correct the customer complaint, contact General Motors Technical Assistance Center for further support. For any vehicles that remains unrepaired after being at the dealer for three days or more and a related bulletin or PI is not found, contact General Motors Technical Assistance Center for further support.
13598
New Vehicle Monitoring Programs Section in IVH
PIT5479H
This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. The substance is actually excess assembly grease from the caliper boot and piston.
PIP4902T
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
PIC5650M
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, B3935, C0750, C0755, C0760, C0765, and/or C0775.
PIT5161L
This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or on launch. Dealer should communicate to the customer this condition is a normal operating characteristic
N252494770-01
Amendments to the Song-Beverly Act (SBA) California warranty law provides vehicle owners with an opportunity to submit a written notice to GM before filing a lawsuit seeking a vehicle repurchase. If such a notice is not provided to GM, then the vehicle owner is prevented from seeking civil penalties in litigation. Vehicle owners of the affected vehicles will be mailed an owner’s manual and warranty insert containing this information in English and Spanish.
N252494770
Amendments to the Song-Beverly Act (SBA) California warranty law provides vehicle owners with an opportunity to submit a written notice to GM before filing a lawsuit seeking a vehicle repurchase. If such a notice is not provided to GM, then the vehicle owner is prevented from seeking civil penalties in litigation. Vehicle owners of the applicable vehicles will be mailed an owner’s manual and warranty insert containing this information in English and Spanish.
PIT6400
This PI Communications information on an alternative product dealers can use to perform 19-NA-255: Wax Coating on Frame Peeling, Metal Shows Corrosion/Rusting due to issue with getting product from current supplier listed in the bulletin.
PIT6180A
This Preliminary information communicates assistance in locating the Rear seat belt comfort guides in the parts catalog.
PIP4902S
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
25-NA-156
This service bulletin provides information on Tire Sidewall Irregularities.
00-06-01-026R
This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
PIT5074R
This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.
23-NA-153
The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the customer that it is normal for the delay.
15-NA-010
This service bulletin provides information to dealership personnel for new vehicles with less than 1,000 miles that may not pass California smog inspection or smog inspection in other states.
25-NA-100
This warranty administration bulletin provides policy information on vehicles outside of a California Emissions State who move to and register their vehicle in a California Emission State may be entitled to the 7 year, 70,000-mile Emission Select State Component Limited Warranty.
PI0281L
This preliminary informational (PI) bulletin provides information to dealership personnel that may be helpful when addressing underbody component corrosion with customers.
PIT5551R
This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert".
13-02-32-001H
This service bulletin provides a procedure to flush and bleed power steering system to correct a power steering noise or fluid leak concern that is caused during extremely low temperatures.
07-00-89-037W
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
25-NA-087
This service bulletin provides information on the proper Reflective High Temperature Heat and/or Insulating Tape to use for certain repairs, such as Wiring Harness Repairs.
13-08-116-001K
The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
25-NA-052
This bulletin advises the technician to flush the cooling system multiple times if oil has been found in the cooling system and replace the parts that may be contaminated due to oil in system.
24-NA-098
This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491, E4492, or E6961 and resolution information.
25-NA-065
This informational bulletin instructs the tech when fuel/fluid is needed to be tested and where it can be sent for analysis.
08-03-10-006I
This service bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel Bead Seat Corrosion.
15-06-03-001F
This service bulletin provides information to diagnose batteries that have set for a long period of time and/or cold weather climates and testing those batteries.
17-NA-073
This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
05-03-07-009L
This service bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles.
11-00-89-005Y
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
PIT4506H
This Preliminary Information communication provides information to the technician that some owners of Heavy Duty Trucks and Utilities may ask if they can lower their tire pressures. Tire pressures being set to the "Tire and Loading Label" will ensure the safe handling and ride characteristics of the truck and should not be lowered.
05-08-51-001L
This informational bulletin provides a procedure on how to remove the paint stain that may present itself under the shipping film.
PIP5358D
This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Technician should get record a sound clip or take a video of the noise for assessment by engineering. Technician will need to call General Motors Technical Assistance Center for further assistance.
16-NA-109
This service bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear.
PIT5551Q
This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert".
21-NA-138
This service bulletin provides a repair procedure to correct a customer concern of a Squeak, Grind or Clunking Noise from Rear Leaf Springs.
07-00-89-037V
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
10-08-110-001L
This service bulletin provides information on proper use of floor mats.
21-NA-043
This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
22-NA-074
This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system.
22-NA-244
This warranty administration service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
01-08-42-001Q
This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement Guidelines.
PIT5544H
This Preliminary information communicates information on a hydrauilc rush type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made. The noise is most noticeable in the cab at idle, in park, with all accessories turned off.
17-NA-331
This service bulletin provides information to the customer about the rear camera guidelines not being present at times due to the VBM taking over the rear camera option.
09-06-04-026Z
This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
20-NA-132
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
07-00-89-037U
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
03-06-01-023I
This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
PIT5386K
This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. On trucks equipped with the Back Up Alarm (RPO 8S3), the alarm will be intentionally left disconnected from the assembly plant. Technician will reroute the harness and plug it in.
18-NA-263
This warranty administration bulletin provide policy information for variable diagnostic time allowances on select labor operations (U.S. Only).
PIT5074Q
This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking tension or probing the .64 series terminals. The test probe terminal has been released in the terminal repair kit (J-38125-620H) located in Lear Tray 7 part number 963716-2. There are 5 terminated leads in a package part number is 13505346, which can be ordered through your normal General Motors Customer Care and Aftersales parts channel.
PIT5962B
This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses.
PIT6261
This Preliminary information communicates to dealers GM is working on a solution for outdated Apps
08-07-30-035I
This service bulletin provides information on the harmful effects of ethylene glycol in transmission fluid.
19-NA-219
This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft issue.
12-08-51-002R
This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures.
04-06-01-029K
This informational bulletin explains Unscheduled Supplemental Services and the importance of GM Simplified Maintenance Schedules.
PIP4723J
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and Vehicle Data Recorder tools, giving website address and step by step instructions to complete the update.
PIT5698E
This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus.
PIT6240
This Preliminary information communicates information on adding RPO UF3 Fast Idle to a vehicle.
PIT5569C
This Preliminary information communicates direction and examples when diagnosing multiple DTCs, one of which includes U**** Byte 71 DTC.
PIP6015
This Preliminary information communicates to the dealer a process for accessing the procedure to add attachments to a GM technical assistance case using the dealer case management tool.
24-NA-225
This bulletin provides information on how to look for and test for DEF or water in the fuel system and what the specs should be.
24-NA-040
This service bulletin provides information on All hazmat parts being returned to the Warranty Parts Center (WPC) must be shipped using Central Transport. Hazardous materials should never be sent by air transportation to the WPC.
10-00-89-009F
This service bulletin provides information on key code security rules and information on GM keycode look-up applications (U.S).
03-06-01-023H
This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
01-06-01-011Q
This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
PIP5621E
This Preliminary information communicates to the dealer technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. TAC is requesting the GDS2 session logs be sent in before the dealer contacts TAC.
99-00-89-019Z
This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program.
07-00-89-037T
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
23-NA-154
This bulletin provides information on Warranty Administration – Required Operating Procedures - 8 Points (U.S. Only).
04-06-04-051J
This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
23-NA-219
This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories.
24-NA-197
This technical bulletin provides a procedure to correct the condition of Malfunction Indicator Lamp Illuminated with DTCs P2463 P2459 P11FB P11D3.
20-NA-138
This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global Warranty Management.
08-07-30-026I
This service bulletin provides information on some vehicles that may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a slight movement that is more often seen visually, rather than felt, when viewed from the outside and using the auto-start feature, if equipped.
18-NA-146
This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only).
PIT5099H
This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
07-00-89-036K
This service bulletin provides information on Enhancing Field Product Reports with Digital Pictures.
24-NA-185
This informational bulletin provides information on Steering Bump or Clunk Noise on Rough Roads or Potholes.
02-00-89-002X
This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. and Canada Dealers Only).
PIC5650L
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency Identification Devices when the concern is present. Dealer should also direct their customers to the appropriate section in the Owner manuals that references that the device complies.
PIT3271P
This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
24-NA-174
The bulletin provides direction on how to locate the Temporary Service Part (TSP) form in GlobalConnect.
General Communication
Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles. It provides the ability via a single selection within Techline Connect to first identify which modules need updating and then proceed to updating affected modules (with some exceptions). The updating of modules is completed in parallel instead of the technician needing to update one module at a time. This allows a more streamlined approach for dealers and customers.
05-03-08-002J
This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak.
18-NA-073
This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.
23-NA-044
This service bulletin provides information on AGM batteries that require less frequent charging in storage.
PIP5991
This Preliminary information communicates to the dealer technician to reference the electronic parts catalog to check the EGR valve part number that was installed.
PIT6180
This Preliminary information communicates assistance in locating the Rear seat belt comfort guides in the parts catalog.
01-00-89-010S
This service bulletin provides information on a guide to help reduce repeat visits for the same customer concern.
07-06-01-016J
This service bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.
23-NA-141
This informational bulletin advises the technician that the engine and related parts will be debited if found that the tech did not properly prepare the engine block from dirt and debris in bolt holes or if found that the block was damaged by the tech.
00-06-01-012N
This service bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts.
05-06-04-022V
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.
16-NA-222
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.
09-06-04-026Y
This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
01-06-01-011P
This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
24-NA-147
This service bulletin provides information on regular inspection of the Seat Belt Lap Anchor.
18-NA-306
This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA).
PI0754G
This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic.
16-NA-158
This service bulletin describes the U.S. Dealer Special Tool Loan Program process.
12-01-37-001G
This service bulletin provides information to dealership personnel on a new refrigerant (R1234yf) for A/C service.
24-NA-141
GM is receiving damaged (cracked or broken) transmission cores returned to the reman facilities. The damage is being caused either in the removal process by the technician, or inadequate packaging or shipping. This bulletin advises the dealers to be more careful not to damage the transmissions during removal and to package the core properly for return.
00-03-10-002M
This service bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels.
17-NA-157
This service bulletin explains the difference in oil filters for gas engines with new oil pump control systems and the possibilities of what may happen using the incorrect filter.
20-NA-203
This informational bulletin explains how the regen works for the DEF system and how it works at different levels.
99-04-20-002O
This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operation.
04-06-04-051I
This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
16-NA-383
This service bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up.
22-NA-070
This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part replacements.
18-NA-099
This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim.
22-NA-018
This service bulletin provides information for the Global Warranty Management (GWM) Warranty Parts Center (WPC) Part Photo Return Process (U.S. Dealers Only).
18-NA-125
This service bulletin provides information for engine oil life monitor operation calculation.
21-NA-068
This warranty administration bulletin provides policy information requirements applicable to key fob replacement under the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2017-2022 and newer model year vehicles with RPO ATH and AVJ.
20-NA-016
This Warranty Administration bulletin provides information on customer vehicles concern results in a manufacturer repurchase from the customer, GM depends on the dealership to host and administer the repurchase closing and intake of the returning vehicle.
23-NA-032
The informational bulletin advises the tech to use the glow plug bore cleaner to reduce the chance of soot building up on the glow plug causing a premature failure.
10-03-10-001G
This informational bulletin provides information on Wheel Balancer Mounting Instructions.
08-07-30-035H
This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
16-NA-119
This warranty administration bulletin provides policy information to cover GMs policy on performing GM covered vehicle services and maintenance on vehicles originating/sold in Canada.
09-00-89-008G
This Warranty Administration bulletin provides retail and wholesale service personnel with the policies/procedures and the warranty transaction submission procedures that support the Personal Property Damage process.
18-NA-067
This service bulletin provides information for cleaning brake dust off of aluminum or chrome wheels.
22-NA-106
This service bulletin provides information on GM Canada New Vehicle Tire Warranty Program for Original Equipment (OE) Tires and PDI installed Limited Production Option (LPO) Tires.
06-00-89-029V
This service bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability.
10-08-110-001K
This service bulletin provides information on proper use of floor mats.
13-08-116-001J
The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
15-00-89-004G
This service bulletin provides technicians with information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.
23-NA-125
This service bulletin provides information for dealers/technicians on Over The Air (OTA) and In Market Enhancement (IME) FAQs.
00-03-10-006P
This service bulletin provides information for dealers/technicians on Tire Radial Force Variation (RFV).
17-NA-052
This bulletin updates the position of General Motors on refinishing aluminum wheels. GM has determined that wheel refinishing under warranty will no longer be performed.
10-08-45-001H
This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.
23-NA-103
This service bulletin provides information on submitting quality Photos of Various Vehicle Concerns to the GM Technical Assistance Center (TAC).
07-00-89-037S
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
11-00-89-005X
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
PIP5596A
This Preliminary information communicates that when removing the fuel line jumper hose care should be taken to be sure the line is reinstalled correctly to avoid a no/low fuel pressure situation.
PIP5968
This Preliminary information communicates to have the dealer contact TAC with the transmission TUN number prior to transmission installation.
PIP5966
This Preliminary information communicates Diagnostic aids for a no start or DTC'S following a transmission replacement
PIT4322P
This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Technician may find a Diagnostic Trouble Code C0710. Technician should inspect for vehicles modifications before any in-depth diagnostics are performed.
PIT5551N
This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert".
19-NA-044
This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.
PIT5479F
This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. The substance is actually excess assembly grease from the caliper boot and piston installation. This grease can be cleaned off and the rest of the service completed.
16-NA-338
This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns for Canadian Dealers only.
PIT4506G
This Preliminary Information communication provides information to the technician that some owners of Heavy Duty Trucks and Utilities may ask if they can lower their tire pressures. Tire pressures being set to the "Tire and Loading Label" will ensure the safe handling and ride characteristics of the truck and should not be lowered.
PIT6122
This Preliminary information communicates to dealers of a known issue with failed map update
PIP5395H
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have rattle or ticking noise that is louder inside the vehicle than outside. The noise may also sound like a lifter tick. If the noise is heard best at the fuel line and the sound will be real loud with a stethoscope. The fuel line will need to be replaced.
PI0281K
This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.
02-08-42-001J
This informational bulletin provides information for dealers/technicians on Headlamp, Tail Lamp, License Lamp or Fog/Driving Lamp Damage.
PI1394B
This PI bulletin advises the technician on the proper way to install the pistons in an engine.
PIP5601B
This Preliminary Information communication provides information to the technician about vibration complaints that are one of the most challenging complaints to accurately diagnose and repair. Technician will need to use Pico Oscilloscope Diagnostic Kit to effectively diagnosis vehicles. Technician should drive the vehicle will using the Pico Oscilloscope to record data. After the data is recorded it should be reviewed to determine the root cause of the concern. If a repair attempt made the concern better but not eliminated or had no affect at all, and are requesting assistance from General Motors Technical Assistance Center record another Pico file and save it to the computer. After the new Pico Oscilloscope data has been saved email the data to General Motors Technical Assistance Center in the subject line include ?Vibration? ?Business Associate Code? and the last 8 of the Vehicle Identification Number.
PIT5161K
This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or on launch. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle. The bump clunk issue may be due to fuel movement in the fuel tank when not completely full. The condition is eliminated after completely filling the fuel tank.
PI0592I
This preliminary information (PI) provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961).
PIT5386J
This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. On trucks equipped with the Back Up Alarm (RPO 8S3), the alarm will be intentionally left disconnected from the assembly plant. Technician will reroute the harness and plug it in.
PIT5074P
This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking tension or probing the .64 series terminals. The test probe terminal has been released in the terminal repair kit (J-38125-620H) located in Lear Tray 7 part number 963716-2. There are 5 terminated leads in a package part number is 13505346, which can be ordered through your normal General Motors Customer Care and Aftersales parts channel.
PIT5962A
This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses.
PIT5214F
This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer?s vehicles that exhibit vibration conditions without utilizing the support of General Motors Technical Assistance Center. If valid vibration frequency or Road Force Variation data has been collected and a repair attempt does not correct the customer complaint, contact General Motors Technical Assistance Center for further support. For any vehicles that remains unrepaired after being at the dealer for three days or more and a related bulletin or PI is not found, contact General Motors Technical Assistance Center for further support.
03-00-91-001I
This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns.
20-NA-159
This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).
23-NA-065
This service bulletin provides repair information to correct a customer concern of OnStar Inoperative after Importing Vehicle from Canada to the United States.
05-00-89-029F
This service bulletin provides information on General Motors Dealership Critical Equipment Requirements and Recommendations.
01-06-01-011O
This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
17-NA-170
This service bulletin provides information about the Hunter wheel Road Force balancers that should be utilized for all repairs requiring balance and Road Force measurement.
99-00-89-019Y
This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program.
02-00-89-002W
This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. and Canada Dealers Only).
10-00-89-006J
This service bulletin provides information for dealers on how to submit a product information report (PIR) (Canada Only).
PIT5099G
This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
PIT5698D
This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus.
07-08-49-020R
This informational bulletin provides information for the IPC odometer programming method quick reference guide.
PIP4112T
This Preliminary Information communication provides information to the technician of a complaint of a sag or hesitation when accelerating. The concern is present when coasting at low speeds of less than 15 miles per hour and then aggressively applying the throttle, or after making a hard stop followed by an aggressive throttle. This concern may also be present while cruising at highway speeds and then an aggressive increase in throttle. This is considered normal operation of the vehicle the throttle is delayed and opened slowly up to .7 seconds to help minimize driveline lash and clunking or will have approximately .5 seconds of zero torque to allow the transmission to shift to downshift.
PIP5621D
This Preliminary information communicates to the dealer technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. TAC is requesting the GDS2 session logs be sent in before the dealer contacts TAC.
23-NA-144
This technical bulletin provides information and a solution to a condition of Brake Pedal Moves or Self Applies at Full Turns.
09-00-89-016H
This Warranty Administration bulletin provides information on the proper use of the labor operation 0600014.
PIP5628G
This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D
15-00-89-004F
This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.
01-00-89-010R
This service bulletin provides information on a guide to help reduce repeat visits for the same customer concern.
03-06-04-017T
This service bulletin provides information on availability of Diesel Fuel additives.
04-06-04-051H
This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
18-NA-103
This service bulletin provides service information for customer concerns of an in-tank fuel pump whining noise, engine hard to start and/or stalls and Malfunction Indicator Lamp (MIL) is illuminated that may be caused by gelling of fuel in cold temperatures.
03-06-01-023G
This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
09-06-04-026X
This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
17-NA-066
This service bulletin provides information for automatic transmission Oil Cooler Flush and flow test.
23-NA-027
This technical bulletin provides a procedure to test and replace the high-pressure fuel injector electrical connectors if found the cause of the MIL.
PIP5358C
This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Technician should get record a sound clip or take a video of the noise for assessment by engineering. Technician will need to call General Motors Technical Assistance Center for further assistance.
21-NA-026
This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats warped or misshapen.
99-09-40-005I
This service bulletin provides information on availability for a seat belt extender.
PIP4902R
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
01-06-01-011N
This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
99-08-51-001F
This service bulletin provides information on Paintless Dent Repair Process.
13-08-116-001I
The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
PIT4261J
This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Dealer should communicate to the customer that slight sidewall indentations are a common characteristic of radial tire construction.
04-07-30-013E
This service bulletin provides information to dealership personnel on automatic transmission shift and engine driveability concerns and/or MIL ON due to aftermarket oil bath air filter use.
02-00-89-002V
This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only).
08-07-30-026H
This service bulletin provides information on some vehicles that may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a slight movement that is more often seen visually, rather than felt, when viewed from the outside and using the auto-start feature, if equipped.
12-03-10-001E
This service bulletin provides information for dealers/technicians on Vibration Shortly After Tires are Mounted/Preventing Vibration from Wheel Slip (Tire Sliding on Wheel).
PIT5544G
This Preliminary information communicates information on a hydrauilc rush type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made. The noise is most noticeable in the cab at idle, in park, with all accessories turned off.
PIC5650K
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency Identification Devices when the concern is present. Dealer should also direct their customers to the appropriate section in the Owner manuals that references that the device complies.
01-08-42-001P
This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement Guidelines.
11-00-89-005W
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
PIT5509J
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when a trailer is connected to the vehicle. Diagnostic Trouble Code C1114 set in the Chassis Control Module. Chassis Control Module has to determine the type of trailer brake system that is being used. The Chassis Control Module can be sensitive to a variety of trailer wiring issues. The technician will need to make a trailer tester using Electric Trailer Brake Magnets and 7-way trailer connector to determine if it is a vehicle or trailer issue. If the concern is not duplicated with the tester installed, the vehicle is operating correctly and the focus should be on the trailer wiring or 7 way connector.
PIP5628F
This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D
12-03-10-001D
This service bulletin provides information for dealers/technicians on Vibration Shortly After Tires are Mounted/Preventing Vibration from Wheel Slip (Tire Sliding on Wheel).
04-00-89-015Z
This bulletin provides information on Warranty Administration â Required Operating Procedures - 8 Points (U.S. Only).
PIT5387N
This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection dropped, the radio station or volume changes when operating the snow plow. Please advise the customer that engineering is aware of this concern and working on this issue.
08-07-30-035G
This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
10-08-110-001J
This service bulletin provides information on proper use of floor mats.
11-00-89-005V
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
PI0281J
This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.
03-06-04-017S
This service bulletin provides information on availability of Diesel Fuel additives.
00-06-01-012M
This service bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts.
00-06-01-026Q
This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
22-NA-009
This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin-On Oil Filters.
07-06-01-016I
This service bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.
13-02-32-001G
This service bulletin provides a procedure to flush and bleed power steering system to correct a power steering noise or fluid leak concern that is caused during extremely low temperatures.
16-NA-130
This service bulletin provides information for after installation of a replacement upper valve body, the transmission may have no Reverse and no 2nd gear.
15-NA-017
This Warranty Administration bulletin provides policy information on Causal Part requirements for transactions submitted to GM for payment.
PI0754F
This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic.
99-04-20-002N
This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operation.
01-08-42-001O
This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines.
PIP5628E
This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D
00-00-90-002M
This service bulletin provides information for accurate tire pressures that ensure the safe handling and appropriate ride characteristics of GM cars and trucks.
07-03-16-004E
This service bulletin provides information for tire pressure monitoring (TPM) system concerns.
02-00-89-002U
This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only).
PIT5386H
This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. On trucks equipped with the Back Up Alarm (RPO 8S3), the alarm will be intentionally left disconnected from the assembly plant. Technician will reroute the harness and plug it in.
PIT5161J
This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or on launch. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle. The bump clunk issue may be due to fuel movement in the fuel tank when not completely full. The condition is eliminated after completely filling the fuel tank.
15-06-01-002M
This service bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL Illuminated.
22-NA-257
This service bulletin provides information on Dealer Installed LPO Wheel Installation and Return Process.
09-00-89-008F
This Warranty Administration bulletin provides retail and wholesale service personnel with the policies/procedures and the warranty transaction submission procedures that support the Personal Property Damage process.
PIP5540J
This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components. That any of the listed DTC's may set with or without poor engine performance.
21-NA-124
This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set.
PIT5544F
This Preliminary information communicates information on a hydrauilc rush type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made. The noise is most noticeable in the cab at idle, in park, with all accessories turned off.
PIT5746C
This Preliminary information communicates information on how dealers can contact the supplier for Associated Accessories offered through GM.
PIT5551H
This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert".
PIP5632G
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
PIP4902Q
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
PIT3271N
This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
22-NA-205
This service bulletin provides information on Module Harvesting.
PIP5175E
This Preliminary Information communication provides information to the technician about vehicles that may have a delayed engagement into drive, shudder at a launch, or the transmission is slipping when shifting into 1st, 2nd, 3rd or 4th gears. This may be due to loose stator support to pump cover bolts causing a leak at the stator support to pump cover gasket. Technician will check for the bolts to be loose. If any of the bolts are loose or the gasket is misaligned or leaking, the transmission pump cover must be replaced and the 1234 clutch plates should be inspected for being distressed and repaired as needed.
PIT3665L
This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn.
10-00-89-006I
This service bulletin provides information for dealers on how to submit a product information report (PIR) (Canada Only).
99-00-89-019X
This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program.
PIP5882
This Preliminary information communicates diagnostic aid to help isolate possible repeat thermal by-pass valve concern.
PIC5453D
This Preliminary Information communication provides information to the technician that General Motors and General Motors of Canada Company do not support cross border sales. The General Motors of Canada Customer Care Centre is the sole authorized provider of a certification confirmation letter which helps our customers identify if their vehicles meets the required USA regulatory standards necessary for importation into the USA.
22-NA-195
This service bulletin provides information on Handling Requests for Modifications to Permanently Import/Export Vehicles Between the U.S. and Canada.
PIT5698C
This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus.
03-06-04-017R
This service bulletin provides information on availability of Diesel Fuel additives.
PI0592G
This preliminary information (PI) provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961).
PIP5429A
This Preliminary Information communication advises the technician that the customer may experience a 2-3 slip or flare after the vehicle has been sitting for a period of time. Technician can update the Transmission Control Module if working on a model year 2007. On all other model years dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle.
05-06-04-022T
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.
06-00-89-031H
This service bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification.
07-06-01-016H
This service bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.
13-08-116-001H
The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
15-00-89-004E
This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.
01-00-89-010Q
This service bulletin provides information on a guide to help reduce repeat visits for the same customer concern.
05-00-89-072F
This service bulletin provides the technician with additional information on fuels, fuel additives and fuel management.
09-06-04-026W
This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
PIP5621C
This Preliminary information communicates to the dealer technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. TAC is requesting the GDS2 session logs be sent in before the dealer contacts TAC.
00-06-01-012L
This service bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts.
01-06-01-011M
This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
03-06-04-017Q
This service bulletin provides information on availability of Diesel Fuel additives.
04-06-04-051G
This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
10-06-05-002K
This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set.
00-06-01-026P
This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
11-00-89-005U
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
05-00-89-029E
This service bulletin provides information on General Motors Dealership Critical Equipment Requirements and Recommendations.
22-NA-181
This diagnostic tip advises the tech not to separate the flexplate from the torque convertor or damage my occur if the engine is started while diagnosing for noise from the engine or transmission.
PIP5640A
This Preliminary Information communication provides information to the technician to not remove the torque converter bolts and start the engine as this may cause damage to the torque converter of the crankshaft on vehicles equipped with an automatic transmission.
11-00-89-005T
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
20-NA-065
This bulletin provides information on tools available to find an intake vacuum leak or exhaust leak to correct a condition of MIL Illuminated with Multiple Fuel Trim and/or Oxygen Sensor Codes Set.
04-00-89-015X
This bulletin provides information on Warranty Administration â Required Operating Procedures - 8 Points (U.S. Only).
22-NA-143
This service bulletin provides information for dealers/technicians on Handsfree Apple Iphone Call Static conditions equipped with IOB Radio.
PIT5569B
This Preliminary information communicates direction and examples when diagnosing multiple DTCs, one of which includes U**** Byte 71 DTC.
PIT4261H
This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Dealer should communicate to the customer that slight sidewall indentations are a common characteristic of radial tire construction.
22-NA-135
This warranty admin bulletin covers information on Essential Tools that include Consumable Parts.
12-01-37-001F
This service bulletin provides information to dealership personnel on a new refrigerant (R1234yf) for A/C service.
PIC5260F
This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.
PIT5099F
This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
PIP5358B
This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Technician should get record a sound clip or take a video of the noise for assessment by engineering. Technician will need to call General Motors Technical Assistance Center for further assistance.
PIP5856
This Preliminary information communicates provides information to the technician on the use of R-99 or R-95 Renewable diesel fuel.
12-00-89-003B
This service bulletin provides policy information on warranty administration guidelines for multiple repairs with independent causes (GM Canada Dealers Only).
03-06-01-023E
This information bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
PIC5260E
This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.
PIT5287H
This Preliminary Information communication provides information to the technician with the correct way to remove the front shock electrical connector terminals. Technician will need to slightly bend the end of the J-38125-12A release tool. There is a purple Terminal Position Assurance that will align itself in the release position when the release tool is inserted into the release hole. There is a metal locking tab on the terminal that will need to be pushed in before the terminal will pull out of the connector.
01-00-89-010P
This informational bulletin provides information on a guide to help reduce repeat visits for the same customer concern.
PIT5287G
This Preliminary Information communication provides information to the technician with the correct way to remove the front shock electrical connector terminals. Technician will need to slightly bend the end of the J-38125-12A release tool. There is a purple Terminal Position Assurance that will align itself in the release position when the release tool is inserted into the release hole. There is a metal locking tab on the terminal that will need to be pushed in before the terminal will pull out of the connector.
PI0281I
This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.
01-00-89-010O
This informational bulletin provides information on a guide to help reduce repeat visits for the same customer concern.
15-06-01-002L
This service bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL Illuminated.
PIP4670J
This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. The Global Architecture electrical system associated with these vehicles does not allow controller swaps between vehicles.
05-00-89-072E
This service bulletin provides the technician with additional information on fuels, fuel additives and fuel management.
N212346580-01
Customer Satisfaction Program - certain vehicles equipped with the Duramax diesel 6.6 liter engine and the optional engine-block heater cord, may have a condition in which the block heater cable function was disabled. Dealers will replace the engine block heater and cord.
12-08-51-002N
This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures.
18-NA-161
This technical bulletin provides a procedure for testing the battery cables for voltage drop, Checking for a bad ground at g218, Inspecting for a short at the starter B+ to shield and testing for a faulty battery.
PIT3271M
This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
PIT5746B
This Preliminary information communicates information on how dealers can contact the supplier for Associated Accessories offered through GM.
20-NA-207
This service bulletin informs the technician to inspect for a possible electrical concern at the ECM X2 electrical connector to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated - DTC P0333 Set.
PIC6450
This Preliminary information communicates a process to correct the concern of Unable to contact OnStar after the 3G EOL on 2015-2022 model year vehicles in the United States.
PIT3271L
This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
080089014G
This service bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC).
22NA018
This service bulletin provides information for the Global Warranty Management (GWM) Warranty Parts Center (WPC) Part Photo Return Process (U.S. Dealers Only).
990089019W
This Warranty Administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information.
070601016G
This informational bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.
150089004D
This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.
18NA067
This service bulletin provides information for cleaning brake dust off of aluminum or chrome wheels.
PI0653F
This preliminary informational bulletin provides information on Damaged, Disassembled or Improperly Packaged Turbochargers Returned to Warranty Part Center.
16NA361
This service bulletin provides service /diagnostic information to aid with a Transmission Harsh 1-2 Shift Upon First Start Up/Shift of the Day Under Light Throttle.
PIT4322M
This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Technician may find a Diagnostic Trouble Code C0710. Technician should inspect for vehicles modifications before any in-depth diagnostics are performed.
18NA235
This information bulletin advised the tech of possible use of low fuel quality and the possible ramifications in performance in regards to the customers concerns.
22NA014
This technical provides a procedure to check for a possible faulty Reductant Injector and replace if the cause of the customers concern.
22NA013
This technical bulletin provides a procedure for the technician to check and tighten the CAC plumbing if found loose.
18NA103
This service bulletin provides service information for customer concerns of an in-tank fuel pump whining noise, engine hard to start and/or stalls and Malfunction Indicator Lamp (MIL) is illuminated that may be caused by gelling of fuel in cold temperatures.
18NA073
This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.
20NA043
This informational bulletin advises the technician to not replace the TMAP sensor, clean it using air or harsh chemicals but allow time for the sensor to thaw.
22NA012
This service bulletin provides information for dealers/technicians on Stone Chip/Membrane Damage, Broken Connector and/or Sensor Retaining Tabs, and/or Paint Damage of Park Assist Sensors.
PIP4902P
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
PIT5386G
This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. On trucks equipped with the Back Up Alarm (RPO 8S3), the alarm will be intentionally left disconnected from the assembly plant. Technician will reroute the harness and plug it in.
PIT5479E
This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. The substance is actually excess assembly grease from the caliper boot and piston installation. This grease can be cleaned off and the rest of the service completed.
PIP4723F
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and Vehicle Data Recorder tools, giving website address and step by step instructions to complete the update.
PIP5632F
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
20NA110
This service bulletin provides service information for a DEF pump that is unable to build pressure after replacement.
19NA187
This bulletin provides additional information on how to graph a cylinder misfire and a possible diagnostic cause.
19NA232
This informational bulletin provides tips for showing a way to confirm if its a mechanical engine issue or not.
18NA011
Informational bulletin explaining how a plow may cause overheating and engine damage when traveling over 45 mph.
18NA098
This informational bulletin provides information for the technicians on where to look on the Duramax engine for coolant leaks.
20NA203
This informational bulletin explains how the regen works for the DEF system and how it works at different levels.
22NA009
This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin-On Oil Filters.
070316004D
This service bulletin provides information for tire pressure monitoring (TPM) system concerns.
16NA380
This service bulletin provides a diagnostic aid procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe.
18NA361
This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part.
19NA237
This informational bulletin explains how to identify possible DEF contamination.
21NA113
This technical bulletin provides a procedure to perform a learn procedure for the turbo actuator.
030604017P
This service bulletin provides information on availability of Diesel Fuel additives.
18NA150
This informational bulletin provides information on 6.6L Duramax Possible Oil Leak Path Information.
16NA222
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.
16NA244
This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the DEF system.
16NA372
This bulletin provides information on common diesel engine tick noises and how they are considered part of normal operation and no parts should be replaced for these normal operating conditions.
17NA374
This informational bulletin advises the technician of how the Soot information has changed from grams to percentage.
100605002J
This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set.
000090002L
This service bulletin provides information for accurate tire pressures that ensure the safe handling and appropriate ride characteristics of GM cars and trucks.
050604022S
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.
1308116001G
The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
N212346580
Block Heater Restore
20NA166
This informational bulletin advises the technician of possible coolant entering the areas of the engine, either through failed parts or defects in the castings, that may be the cause of the concerns related to the MIL or the engine running rough.
20NA197
This technical bulletin provides a procedure to inspect and repair the fuel pressure sensor if found the cause of the customers concern.
19NA153
This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal.
030310007K
This service bulletin provides information for dealers/technicians on Tire/Wheel Characteristics (Vibration, Balance, Shake, Flat Spotting) of GM Original Equipment Tires.
19NA104
This service bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area.
030091001H
This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure, when diagnosing vibration concerns.
070842006Q
This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box removed.
PIT5466D
This Preliminary Information communication provides information to the technician to help converting vehicles to fleet key option Regular Production Option Code 6E2 or 6E8. Technician will need to check the Regular Production Option Code for 6E2 or 6E8. Technician will need to order the correct key part number per the Regular Production Option Code. Then the technician will need re-code the lock cylinders to match the Regular Production Option Code. Also replace the Body Control Module and normal Service Programming System to the Body Control Module will turn the vehicle to a common key.
PIT5544E
This Preliminary information communicates information on a hydrauilc rush type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made. The noise is most noticeable in the cab at idle, in park, with all accessories turned off.
PIT5245D
This Preliminary Information communication provides information to the technician about vehicles that the blower motor may be noisy or vibrate when running. This concern will only occur when the temperatures is below 32 degrees Fahrenheit and if the blower motor is removed while still cold, ice may be found on the blower motor cage. This concern could be caused by water leaking or snow ingestion into the Heater-Vent-Air Conditioning case. Technician is to perform normal water testing diagnostics while the Heater-Vent-Air Conditioning is running, looking for water leaking past the plenum cover. If water is leaking past the cover remove the cover and install a 12x12 snow resistant screen to the fresh air intake. Reseal and install the plenum cover cap using Kent air dry sealer or equivalent.
PIT3099U
This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts/kits. Technicians should refer to Service Information for information regarding most accessories. Technicians may also contact PARTECH and/or the Techline Customer Support Center for additional support.
20NA132
This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.
17NA345
This technical bulletin provides a procedure to reprogram the power steering control module to correct a condition of Loss of Steering Assist due to a software abnormality.
PIT5509H
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when a trailer is connected to the vehicle. Diagnostic Trouble Code C1114 set in the Chassis Control Module. Chassis Control Module has to determine the type of trailer brake system that is being used. The Chassis Control Module can be sensitive to a variety of trailer wiring issues. The technician will need to make a trailer tester using Electric Trailer Brake Magnets and 7-way trailer connector to determine if it is a vehicle or trailer issue. If the concern is not duplicated with the tester installed, the vehicle is operating correctly and the focus should be on the trailer wiring or 7 way connector.
PIC5650J
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency Identification Devices when the concern is present. Dealer should also direct their customers to the appropriate section in the Owner manuals that references that the device complies.
PIT5698B
This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus.
N192264210
Customer Satisfaction Program Closed Message sent.
21NA152
This service bulletin provides information for dealers/technicians on glass ultraviolet (UV) Ray protection and tint percentage.
010842001N
This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines.
PIT4261G
This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Dealer should communicate to the customer that slight sidewall indentations are a common characteristic of radial tire construction.
990420002L
This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operation.
PIP5632E
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
080730035E
This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
110089002E
This service bulletin provides information on GM Accessories ? Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
070089037Q
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
PIP5621B
This Preliminary information communicates to the dealer technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. TAC is requesting the GDS2 session logs be sent in before the dealer contacts TAC.
120851002M
This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures.
RFI20210526_939-
The complete Communication ID is: RFI20210526_939-187 and was communicated to customers on May 26, 2021. The Communication ID field did not permit me to enter the complete Communication ID as it is in our internal system. This product is a steel wheel. The customer communication requested return of unsold inventory to inspect the wheel for material dimension. If the material fails to meet the manufacturing specification, the wheel may not perform as expected. If the wheels are not returned, then warranty rate may increase. This product affects the following vehicles: 2011-2019 Chevrolet Silverado 2500HD & 3500HD, 2011-2019 GMC Sierra 2500HD & Sierra 3500HD.
21NA124
This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set.
18NA306
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA).
070089037P
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
100089006H
This service bulletin provides information for dealers on how to submit a product information report (PIR) (Canada Only).
PIP5358A
This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Technician should get record a sound clip or take a video of the noise for assessment by engineering. Technician will need to call General Motors Technical Assistance Center for further assistance.
120851002L
This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures.
PIT5214E
This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer?s vehicles that exhibit vibration conditions without utilizing the support of General Motors Technical Assistance Center. If valid vibration frequency or Road Force Variation data has been collected and a repair attempt does not correct the customer complaint, contact General Motors Technical Assistance Center for further support. For any vehicles that remains unrepaired after being at the dealer for three days or more and a related bulletin or PI is not found, contact General Motors Technical Assistance Center for further support.
20NA159
This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).
19NA044
This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.
21NA109
This service bulletin provides diagnostic information for a customer concern of engine vibration.
16NA338
This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns for Canadian Dealers only.
21NA097
This technical bulletin provides a procedure to install a pice of foam between the heater core pipes to correct the customers concern.
070842006P
This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box removed.
21NA103
This service bulletin provides information regarding Witness Marks from Panel Adjustments Made During Manufacturing and that it is considered a normal condition.
000601026N
This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
21NA068
This warranty administration bulletin provides policy information requirements applicable to key fob replacement under the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2017-2022 and newer model year vehicles with RPO ATH and AVJ (U.S. Only).
050308002I
This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak.
20NA038
This informational bulletin explains the difference in AFM and DFM engines and what is and is not activated during this occurrence.
17NA204
This technical bulletin provides a procedure to replace the fuel tank and internal parts if found expanding and contacting the drive shaft.
18NA146
This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only).
020089002T
This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only).
070089036J
This service bulletin provides information on Enhancing Field Product Reports with Digital Pictures.
18NA099
This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim.
PIP5163E
This Preliminary Information communication provides information to the technician about engine block of possible cylinder bore damage, scoring or out of round as the possible cause of engine oil consumption, misfire, cylinder leakage or blow by. Technician will need to inspect the engine for Cylinder damage or scoring, An out of round cylinder bore, Dirt intrusion, and Catalytic Converter failure.
PIC5260D
This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.
PIP5540G
This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components. That any of the listed DTC's may set with or without poor engine performance.
PIP5725A
This Preliminary information communicates the use of Winter grade fuel during the warm months of 2020 and the potential rivability issues that it can cause. The ongoing Coronavirus (COVID-19) pandemic has caused significant reductions in driving and fuel use. Due to the surplus of winter grade fuel sitting in storage (pipelines/stations) the EPA is waiving the fuel vapor requirement. This will extend the use of winter fuel into the summer months. The drivability concerns should not be single events but should be multiple occurrences associated with hot days.
110089005Q
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
1008110001I
This informational bulletin provides information on proper use of floor mats.
20NA138
This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global Warranty Management.
19NA255
This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).
21NA043
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer.
16NA109
This service bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear.
PIT5544D
This Preliminary information communicates information on a hydrauilc rush type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made. The noise is most noticeable in the cab at idle, in park, with all accessories turned off.
100310001F
This informational bulletin provides information on Wheel Balancer Mounting Instructions.
150089004C
This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.
18NA135
This technical bulletin provides repair information to correct a customer concern of water leaking into bed area on trucks equipped with High Desert package.
21NA026
This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats warped or misshapen.
18NA285
This informational bulletin advises the tech of a possible normal condition when the vehicle creeps forward during start up conditions when the clutch packs are full of residual oil.
21NA010
This technical bulletin provides a procedure to reset the DTCs and take the vehicle for a test drive to verify the codes do not return.
20NA142
This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving.
20NA212
This technical bulletin provides repair information to correct a customer concern of IPC Gauges Inoperative or Fluctuate, No Crank, Start then Stall.
150601002K
This service bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL Illuminated.
010601011L
This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
PIT5386F
This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. On trucks equipped with the Back Up Alarm (RPO 8S3), the alarm will be intentionally left disconnected from the assembly plant. Technician will reroute the harness and plug it in.
17NA166
This technical bulletin provides a procedure to measure vibration and install engine mounts to correct a Rough Idle in Drive concern.
PIT5387J
This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection dropped, the radio station or volume changes when operating the snow plow. Please advise the customer that engineering is aware of this concern and working on this issue.
090604026S
This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
040089015V
This bulletin provides information on Warranty Administration ? Required Operating Procedures - 8 Points (U.S. Only).
16NA019
This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares.
19NA136
This service bulletin provides a diagnostic procedure to aid in correcting a customer concern of a Howling, Whining/Whirring Noise, Shudder/Vibration and/or Grinding Noise While in 4HI, 4HI Auto and/or During Parking Lot Maneuvers in Auto Mode.
18NA263
This warranty administration bulletin provide policy information for variable diagnostic time allowances on select labor operations (U.S. Only).
060089031F
This service bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification.
PIT5074N
This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking tension or probing the .64 series terminals. The test probe terminal has been released in the terminal repair kit (J-38125-620H) located in Lear Tray 7 part number 963716-2. There are 5 terminated leads in a package part number is 13505346, which can be ordered through your normal General Motors Customer Care and Aftersales parts channel.
030604017O
This Informational Bulletin provides information on availability of Diesel Fuel additives.
PIC6208E
This Preliminary information communicates that when a customer or technician attempts to add a new transmitter to a vehicle following the adding transmitters without Service Programming System procedure the procedure will not complete and a message "Remote Learn Pending" will be displayed on the Driver Information Center. In the past to perform the new transmitter procedure only one previously learned transmitter was required but this is no longer the case. Now, two previously learned transmitters are required to be placed into the cup holder and then the new transmitter to be programmed placed in the transmitter pocket. If this new procedure is not followed, the "adding transmitters without Service Programming System" cannot be performed. The technician will be forced to add a transmitter using Service Programming System.
000310002L
This service bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels.
PIT3271K
This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
990851001E
Thins informational bulletin provides information on Paint-less Dent Repair Process.
PI0754D
This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic.
100605002I
This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set.
20NA213
This service bulletin provides information on Improved Oil Filter Gasket Design for Spin-On Oil Filters PF63, PF64 and PF48.
19NA116
This technical bulletin provides repair information to correct a customer concern of pulsing, grinding, scraping noise from brakes, uneven front brake pad wear.
17NA393
This informational bulletin explains how to check the NOx Catalyst Reductant-Load Adaptive Values using GSD2.
1308116001F
The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
16NA376
This informational bulletin provides information on higher than expected oil consumption.
PIP5684C
This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual.
050604022R
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.
060089026Q
This warranty administration bulletin provides information on Warranty Administration - Customer Concern Not Duplicated (CCND) Labor Operation Numbers.
PIP5628C
This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D
20NA207
This service bulletin informs the technician to inspect for a possible electrical concern at the ECM X2 electrical connector to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated - DTC P0333 Set.
110089005P
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
18NA161
This technical bulletin provides a procedure for testing the battery cables for voltage drop, Checking for a bad ground at g218, Inspecting for a short at the starter B+ to shield and testing for a faulty battery.
20NA181
This technical bulletin provides a procedure to program the ECM if found the cause of the customers complaint.
20NA055
This technical bulletin provides a procedure to correct customer concerns of Instrument Panel Cluster (IPC) Gauges Inoperative, Numerous Driver information Center (DIC) Error Messages, No Brake or Electric Power Steering Assist, Transmission in Default Gear, No Reverse and/or Back Up Lights, No Daytime Running Lights (DRL), No Cruise or Adaptive Cruise and/or No Trailer Brake Lights.
20NA157
This bulletin provides information on the Transport Mode On Message Being Displayed in the Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message ON and OFF.
20NA185
This technical procedure provides a procedure to replace the front oil crank seal on remanufactured engines only, if found the cause of the customers concern.
18NA253
This technical bulletin advised the technician to take the vehicle for a test drive to validate a possible normal TCC performance while under heavy specific driving maneuvers.
20NA187
This technical bulletin provides a repair procedure to correct a customer concern of Delayed and/or Harsh Engagement of Transmission Shift After Vehicle Sitting with Engine Off.
20NA176
This technical bulletin provides a procedure to update the GPCM if found the cause of the customers concern.
20NA162
THis informational bulletin advises the tech of a possible plugged fuel breather vent and how to add a vent breather line to correct the customers concern.
990089019U
This Warranty Administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information.
PIP5226D
This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change. Technician will gain access to the roller rockers to inspect them. Only replace the roller rocker that is missing needle bearings. Be sure to clean the oil drains to retrieve the needle bearings. Each roller rocker has 66 bearings.
PIT5099E
This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
PIC5650H
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency Identification Devices when the concern is present. Dealer should also direct their customers to the appropriate section in the Owner manuals that references that the device complies.
PIT5698A
This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus.
19NA277
This technical bulletin provides a procedure to replace the fuel tank, sending unit and install a piece of fuel hose to the vent and route down the fuel feed line and secure with zip ties.
070842006O
This informational bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box removed.
PIP5684B
This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual.
150089002B
This bulletin provides information to dealers regarding transportation damage repair claim submission requirements.
PIP5504F
This Preliminary Information communication provides information and definitions to the technician about vehicles that have fishbite, chuggle, misfire, AFM disturbances or torque converter shudder/vibration concerns. Technician are advised to use PICO software to determine root cause of the concern. If torque converter shudder is confirmed technicians are referred to Torque Converter Diagnosis in SI.
PIP4902N
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
PIP5504E
This Preliminary Information communication provides information and definitions to the technician about vehicles that have fishbite, chuggle, misfire, AFM disturbances or torque converter shudder/vibration concerns. Technician are advised to use PICO software to determine root cause of the concern. If torque converter shudder is confirmed technicians are referred to Torque Converter Diagnosis in SI.
20NA139
This technical bulletin provides a procedure to check and tighten the B+ at the starter for proper torque.
990089019T
This warranty administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information.
PIP5733
This Preliminary information communicates Possible Crank no start or extended crank with DTC p12A6 set current or history. Under Investigation
PIC5453C
This Preliminary Information communication provides information to the technician that General Motors and General Motors of Canada Company do not support cross border sales. The General Motors of Canada Customer Care Centre is the sole authorized provider of a certification confirmation letter which helps our customers identify if their vehicles meets the required USA regulatory standards necessary for importation into the USA.
110089005O
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
20NA101
This technical bulletin provides a procedure for pad replacement due to on premature and/or uneven brake pad wear.
030601023D
This information bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
20NA113
This technical bulletin provides repair information to correct a customer concern of Action Required Steering Assist is Reduced Drive with Care Or Service Power Steering Message And Or Current Power Steering Control Module DTCs.
060089029T
This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability.
140604004G
This informational bulletin explains the normal noises an engine may make when the ambient temperature outside is cold or the vehicle has sat for a few hours.
N192264210-02
Customer Satisfaction Program - Certain vehicles equipped with the 6.6l Duramaxdiesel engine (RPO L5P) and optional engine-block heater cord, may have a condition in which the block heater cable function was disabled. Dealers will replace the engine block heater and cord.
PIP5628B
This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D
070849020Q
This informational bulletin provides information for the IPC odometer programming method quick reference guide.
PIT4506E
This Preliminary Information communication provides information to the technician that some owners of Heavy Duty Trucks and Utilities may ask if they can lower their tire pressures. Tire pressures being set to the "Tire and Loading Label" will ensure the safe handling and ride characteristics of the truck and should not be lowered.
PIP5725
This Preliminary information communicates the use of Winter grade fuel during the warm months of 2020 and the potential rivability issues that it can cause. The ongoing Coronavirus (COVID-19) pandemic has caused significant reductions in driving and fuel use. Due to the surplus of winter grade fuel sitting in storage (pipelines/stations) the EPA is waiving the fuel vapor requirement. This will extend the use of winter fuel into the summer months. The drivability concerns should not be single events but should be multiple occurrences associated with hot days.
030089006R
This informational bulletin provides the dealership with how to prep a vehicle for delivery to the customer to aid in higher CSi scores.
060089029S
This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability.
20NA098
This informational bulletin explains to the tech on how to order a new fuel injector by matching the part number on the part and ordering it from the EPC.
PIP5684A
This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual.
150601002J
This technical bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL Illuminated.
000310003Z
This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).
060089029R
This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability.
18NA180
This Warranty Administration Bulletin Provides High Voltage Battery Exchange Process Information.
PIC5650G
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency Identification Devices when the concern is present. Dealer should also direct their customers to the appropriate section in the Owner manuals that references that the device complies.
PIP5719B
This Preliminary information communicates the possibility of dtc P12A6 with the possibility of a crank no start or extended crank concern.
PIT5195F
This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Dealer should advise the customer the specification for speedometer needle accuracy is +/- 2 MPH at any given speed when looking straight at the needle.
PIP5719A
This Preliminary information communicates the possibility of dtc P12A6 with the possibility of a crank no start or extended crank concern.
PI0281H
This preliminary informational bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.
PIT4322K
This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Technician may find a Diagnostic Trouble Code C0710. Technician should inspect for vehicles modifications before any in-depth diagnostics are performed.
060089029Q
This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles.
19NA035
This technical bulletin provides a procedure to validate if the parking pawl actuator is not working as intended, causing the parking pawl to engage while driving.
100089005I
This warranty administration bulletin explains to the technician that when using wiring repair labor operations, additional information may be needed when submitting Global Warranty transactions when doing wiring repairs.
18NA355
This technical bulletin provides information for new transmission oil to use and a procedure for exchanging the old fluid and adding the new fluid to correct a shake/shudder during light throttle acceleration condition.
060089029P
This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles.
070089037O
This warranty administration bulletin provides policy information for courtesy transportation and roadside assistance programs.
140604004F
This informational bulletin explains the normal noises an engine may make when the ambient temperature outside is cold or the vehicle has sat for a few hours.
150601002I
This technical bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL Illuminated.
020089002S
This informational bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only).
050310020G
This informational bulletin provides information for dealers/technicians on Use of Nitrogen Gas in Tires.
060089026P
This warranty administration bulletin provides information on Warranty Administration ? Customer Concern Not Duplicated (CCND) Labor Operation Numbers.
990089019S
This warranty administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information.
040601029J
This informational bulletin explains Unscheduled Supplemental Services (including Flushing Services and Additives) and the Proper use of GM Simplified Maintenance Schedules.
19NA219
This diagnostic tip provides additional information on how to diagnose a possible valve, lifter or camshaft issue.
040089015U
This bulletin provides information on Warranty Administration ? Required Operating Procedures - 8 Points (U.S. Only).
N192285050
Customer Satisfaction Program - Certain vehicles that had the front passenger seat cushion frame previously replaced, may not have had the adjuster stops transferred and are missing on the replacement part. The front passenger seat may be in a position beyond the occupant design travel range.Dealers are to inspect the front passenger seat tracks for the presence of both adjuster stops and install missing adjuster stops if necessary.
000310003Y
This warranty administration bulletin provides information on the tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty.
20NA006
This informational bulletin explains there is another steering hose that can be used for cold weather drivers that experience a steering hose leak.
050307009J
This informational bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles.
150089005C
This Warranty Administration bulletin provides information on Essential Tools that include Consumable Parts (U.S. Only).
16NA119
This warranty administration bulletin provide policy information to cover GMs policy on performing GM covered vehicle services and maintenance on vehicles originating/sold in Canada.
18NA239
This technical bulletin provides a procedure to add washers on the lower column mounting bracket locations due to the shaft laying on the metal support at the bottom of the column.
PIT3099T
This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts/kits. Technicians should refer to Service Information for information regarding most accessories. Technicians may also contact PARTECH and/or the Techline Customer Support Center for additional support.
DOR-D8C4T-03
This SKU is a Power Window Regulator and Motor Assembly. The customer communication requested return of unsold inventory to inspect the software. The software may be too sensitive to the position of a locating magnet in the assembly causing the activation of the pinch point threshold prematurely. The window will stay open when it should have closed.
DOR-E2P5T-03
This SKU is a Power Window Regulator and Motor Assembly. The customer communication requested return of unsold inventory to inspect the software. The software may be too sensitive to the position of a locating magnet in the assembly causing the activation of the pinch point threshold prematurely. The window will stay open when it should have closed.
PIP4723D
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and Vehicle Data Recorder tools, giving website address and step by step instructions to complete the update.
19NA212
This diagnostic tip provides a procedure to aid in performing a diagnostic test to verify if the camshaft alignment pin has been sheared away to correct a crank/No Start condition.
050307009I
This informational bulletin provides retail, wholesale and fleet personnel with General Motors recommendations for customer concerns related to wheel alignment.
15NA010
This informational bulletin provides information to dealership personnel for new vehicles with less than 1,000 miles that may not pass California smog inspection or smog inspection in other states.
PIP5540F
This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components. That any of the listed DTC's may set with or without poor engine performance.
PIP5503B
This Preliminary information communicates to the dealer additional information on checking for the engne crankcase being overfull on oil causing an engine vibration concern. The technician is advised to inspect for contaminnants and adjust the engine oil level as needed.
PIP5531A
This Preliminary Information communication provides information to the technician on the steps need to diagnose and repair vehicles that may have stalling shudder and/or hard shifting into 1st gear or reverse vibration on launch (with excessive crankshaft end play). Technician will test to determine if the crank shaft end play is within specification 0.0015?0.0086 inch. If end play is found to be out of specification, remove engine and inspect for possible crankshaft thrust bearing and/or crankshaft for wear. Inspect thrust bearing for wear on one side and crankshaft on that "mating" surface. If the thrust bearing has three vertical channels worn off replace connecting rod bearings, main bearings, thrust bearing and crankshaft. If working on a Corvette the oil tank with lines and oil cooler are both required to be replaced if equipped
16NA383
This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up.
17NA302
This informational bulletin provides information on availability for a locking gas cap for trucks are operated in high amount of dirt or dust which can migrate to the filler cap area.
PI0592F
This preliminary information bulletin provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961).
100089009D
This informational bulletin provides information on key code security rules and information on GM keycode look-up applications.
080089014F
This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC).
PIP5621A
This Preliminary information communicates to the dealer technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. TAC is requesting the GDS2 session logs be sent in before the dealer contacts TAC.
18NA137
This Bulletin provides information for rebuilding fuel injectors in the event of an underhood fuel odor and/or extended cranking condition.
010842001M
This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines.
080310006G
This technical bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel Bead Seat Corrosion.
PIT3271J
This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
PIT5074M
This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking tension or probing the .64 series terminals. The test probe terminal has been released in the terminal repair kit (J-38125-620H) located in Lear Tray 7 part number 963716-2. There are 5 terminated leads in a package part number is 13505346, which can be ordered through your normal General Motors Customer Care and Aftersales parts channel.
060309004N
This technical bulletin provides a procedure to apply grease to the leaf springs to correct a condition of a squeak noise from the metals making contact.
120851002K
This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures.
990420002K
This informational bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operations.
PIE0529A
This engineering information bulletin ends the need for information from the field on an Intermittent No Forward and/or No Reverse While Driving condition. If this condition is encountered, refer to SI for further diagnosis.
PIP5684
This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual.
PIP5370E
This Preliminary Information communication provides information to the technician that some vehicle may have an ?Exhaust Fluid Quality Poor? on the Driver Information Center or a diesel exhaust fluid warning lamp on or other exhaust fluid quality related concerns. Technician will inspect the diesel exhaust fluid for contamination. Technician should use Service Information for Contaminants in Diesel Exhaust Fluid Diagnosis and use special tool J26568 or EN50422 Diesel Exhaust Fluid Refractometer for fluid testing.
100089006G
This informational bulletin provides information for dealers how to submit a product information report (PIR) (Canada Only).
N192264210 Messa
Customer Satisfaction Program. Stock VIN List sent.
100605002H
This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set.
PIP5540E
This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components. That any of the listed DTC's may set with or without poor engine performance.
PIT5544C
This Preliminary information communicates information on a hydrauilc rush type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made. The noise is most noticeable in the cab at idle, in park, with all accessories turned off.
N182202780 01
N182202780 01 - Special Coverage. Certain Vehicles may have a condition where customers may experience increased brake pedal effort, hardbrake pedal, and/or potentially increased stopping distance. The condition is more prevalent at low speed when softly applyingthe brakes. The engine mounted mechanical vacuum pump outputmay decrease over time decreasing the amount of vacuum/power brake assist. Failure to follow recommended oil change intervalscould contribute to this condition. The Driver?s Information Center, (DIC) ?Service brake assist? alert will activate 2-5minutes after the vacuum level drops, and a Diagnostic Trouble Code, (DTC) will also be set. Even where this condition occurs,the hydraulic brake system remains functional but may require additionalpedal force. Please be aware that even if the vehicle exhibits this condition, it meets all federal motor vehicle safety standards forbrake performance. Dealers are to replace the vacuum pump and vacuum pump belt. The repairs will be made at no charge to the customer.
PIP5601A
This Preliminary Information communication provides information to the technician about vibration complaints that are one of the most challenging complaints to accurately diagnose and repair. Technician will need to use Pico Oscilloscope Diagnostic Kit to effectively diagnosis vehicles. Technician should drive the vehicle will using the Pico Oscilloscope to record data. After the data is recorded it should be reviewed to determine the root cause of the concern. If a repair attempt made the concern better but not eliminated or had no affect at all, and are requesting assistance from General Motors Technical Assistance Center record another Pico file and save it to the computer. After the new Pico Oscilloscope data has been saved email the data to General Motors Technical Assistance Center in the subject line include ?Vibration? ?Business Associate Code? and the last 8 of the Vehicle Identification Number.
010601011K
This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
100089009C
This informational bulletin provides information on key code security and information on GM key code look up applications.
PI1369A
This preliminary bulletin provides a procedure to reprogram more than 8 keys for the PPV.
010089010N
This informational bulletin provides information on comebacks prevention information and using customer concern verification sheets (CCVS).
030604017N
This Informational Bulletin provides information on availability of Diesel Fuel additives.
PIP5407B
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have Diagnostic Trouble Code P06DD or no or low oil pressure. Technician will replace timing chain tensioner guide. If oil pump face is damaged and or worn thru replace oil pump. Inspect bearings for damage wear due to debris from oil pump.
PIT5576C
This Preliminary information communicates and issue with the hood ajar message being displayed when the hood is not ajar. Inspect the body ground strap to insure it is connected in the proper locations and the strap eyelets are tight and do not rotate.
PIP4670H
This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. The Global Architecture electrical system associated with these vehicles does not allow controller swaps between vehicles.
N182206730 01
N182206730 01 - Customer Satisfaction Program - Certain vehicles equipped with special service package (RPO 5W4) and certain 2018 ? 2019 Chevrolet Tahoe vehicles equipped with police package (RPO 9C1) or special service package (RPO 5W4) may have a condition in which frequent, repeated brake applications at low speed or idle speeds can deplete available brake vacuum assist faster than vacuum can be replenished by the system, which can lead to increased brake pedal effort, hard brake pedal and potentially increased stopping distance.
17NA073
This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
PIP5522D
This Preliminary information communicates A vehicle may have a concern of engine noise and/or a misfire. This may be caused by a broken rocker arm. A broken rocker arms that could result in the valve dropping to the cylinder, causing a catastrophic failure and the engine requires replacement due to cylinder head and block damage. If a broken rocker arm is found check to see if the valve dropped into the cylinder if so the engine will need to be replaced. On occasions the valve will not drop, reinstall any valve keepers and replace all the intake rocker arms.
PIP5632B
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
PIT3099S
This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts/kits. Technicians should refer to Service Information for information regarding most accessories. Technicians may also contact PARTECH and/or the Techline Customer Support Center for additional support.
PIT5551E
This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert".
19NA193
This technical bulletin provides repair information to correct a customer concern of Phone Charging Cycles On and Off When Connected to the Single Port USB Hub.
100310001E
This informational bulletin provides information on Wheel Balancer Mounting Instructions.
PI0592E
This preliminary information bulletin provides information om Service Programming System (SPS) Error Codes E4398, E4399, E4403, M4404, M4413, E4414, E4423, E4491 or E6961).
090604026R
This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
PIP5522C
This Preliminary information communicates A vehicle may have a concern of engine noise and/or a misfire. This may be caused by a broken rocker arm. A broken rocker arms that could result in the valve dropping to the cylinder, causing a catastrophic failure and the engine requires replacement due to cylinder head and block damage. If a broken rocker arm is found check to see if the valve dropped into the cylinder if so the engine will need to be replaced. On occasions the valve will not drop, reinstall any valve keepers and replace all the intake rocker arms.
130089008B
This bulleting provides Wiring, Terminal and Connector Repair Information including how to determine the Service Part Number in eSI and how to locate the part(s) in the EPC.
000601026M
This informational bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
070601016F
This informational bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.
19NA183
This informational bulletin provides information for dealers/technicians on Mandatory VECI Label Replacement for (5W7) Performance Air Intake Kits.
080730026F
This informational bulletin provides information on Some vehicles may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a slight movement that is more often seen visually, rather than felt, when viewed from the outside and using the auto-start feature, if equipped.
PIT4529E
This preliminary information explains that there are differences between the Elevated Idle, PTO and High Idle options.
18NA183
This technical bulletin provides a procedure to check and repair the rear shackle and/or add lube to the leaf springs to correct the noise.
PIE0529
This engineering information bulletin is requesting information from the field to validate a field fix. Before contacting engineers, remove the transmission oil pan and inspect for nickel to quarter size pieces of aluminum debris in the oil pan. The 2-3-4-6-8 and 4-5-6-7-8 reverse clutch assembly and the 1-3-5-6-7 clutch assembly may be broken in several pieces.
PIP5663
This Preliminary information communicates AFM / DFM usage Information. providing additional information on the AFM and DFM systems
PIT5698
This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus.
PIC6208D
This Preliminary information communicates that when a customer or technician attempts to add a new transmitter to a vehicle following the adding transmitters without Service Programming System procedure the procedure will not complete and a message "Remote Learn Pending" will be displayed on the Driver Information Center. In the past to perform the new transmitter procedure only one previously learned transmitter was required but this is no longer the case. Now, two previously learned transmitters are required to be placed into the cup holder and then the new transmitter to be programmed placed in the transmitter pocket. If this new procedure is not followed, the "adding transmitters without Service Programming System" cannot be performed. The technician will be forced to add a transmitter using Service Programming System.
990089019R
This informational bulletin provides process information for the (GWM) and (WPC) parts return program.
19NA142
This technical bulletin provides information for new transmission oil to use, a procedure for exchanging the old fluid and adding the new fluid to a service transmission.
DORD8R3N09
This SKU is a Tire Hoist Assembly. The customer communication requested return of unsold inventory to inspect for the shape of the centerpiece of the tire hoist being round when it should be square. If the centerpiece is the incorrect shape then the tire hoist cannot be operated with the OE tools, and the end user would therefore not be able to lower the spare tire with the vehicles original tools.
PI1344C
This preliminary informational bulletin adds the 2016 model year to diagnostic tips and repair information to correct a customer concern of reduced acceleration at low speed and/or transmission slipping from a launch, DTC P0751 set.
PIT5569A
This Preliminary information communicates direction and examples when diagnosing multiple DTCs, one of which includes U**** Byte 71 DTC.
PIT3099R
This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts/kits. Technicians should refer to Service Information for information regarding most accessories. Technicians may also contact Partech and/or the Techline Customer Support Center for additional support.
PIT5535D
This Preliminary Information communication provides information to the technician about vehicles that may have Service Front Camera, Service Lane Departure Warning, and Service Lane Keep Assist Message. Technician may find Diagnostic Trouble Code B1008 Sym 4B set. Technician will need to check the windshield to ensure it is not aftermarket. Technician will also check for anything that may impair the front view camera and ensure the camera is properly mounted.
19NA108
This technical bulletin provides a procedure to replace the head gaskets if found doubled stacked.
PIT3665H
This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn.
PIT5586C
This Preliminary information communicates a customer concern of IPC gauges inoperative or fluctuate, No Start, No Crank, SIR Light / Service Airbag Message, Service Suspension Message, Radio display blank, Steering Wheel Controls (SWC) not illuminated, Turn Signal no audible feedback, HVAC controls inoperative. During diagnostics a technician may find any of the following DTC's: B1011, B1370, B3980, U0020, U0029, U007D, U0073, U0078, U0100, U0101, U0102, U0104, U0140, U0151, U0155, U0164, U0184, U0186, U0198, U0422. Dealer is instructed to check Serial Data Gateway Module X2 connector for terminal concerns and repair as needed.
PIP5335C
This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician will find Diagnostic Trouble Codes P0340 and P0341 setting at times. Technician should use normal published Service Information diagnostics. If normal Service Information diagnostics does not isolate the concern, inspect for corrosion in connector X154 located on the front cover next to the vacuum pump.
N192209920
Certain vehicles, may have incorrect language in the Forward Auto Braking (FAB) section of the owner manual which states, ?If the vehicle has Forward Collision Alert (FCA), it also has FAB which includes Intelligent Brake Assist (IBA)?. This statement is correct for light duty trucks but the heavy duty models only have the Forward Collision Alert. Customer to receive an owner manual insert. Dealers are to print and install the owner manual insert on unsold vehicles.
PIP5286B
This Preliminary Information communication provides information to the technician for a vehicle setting both a P2635 and P018B diagnostic trouble codes. The following steps may help to determine if this is caused by a fuel pressure sensor not reading the low end of the pressure range. Technician is to make sure the engine is cold and install the Multiple Diagnostic Interface along with Global Diagnostic System 2. Navigate to fuel system depressurize and at engine idle depressurize the fuel system. The fuel pressure sensor value should drop to 0 and the engine will stall. If a sensor is causing this concern the suspected sensor will not drop to 0 the engine will stall however the sensor will still read 30 to 40 pounds per square inch.
PIT5457D
This Preliminary Information communication provides information to the technician about vehicle with Service ABS and/or Traction control lights/message on, Service Power Steering System, Service Suspension System, and or Loss of communication with EBCM, SWPS, PSCM, and/or SCM. Technician may find Diagnostic Trouble Codes U0077, U0121, U0126, U0131, U0139, U0401, U0415, and/or U0428. Technician should remove the driver and passenger sill plate to gain access to the wire harness. If any open, damaged, or corroded wires should be repaired.
PIP4670G
This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. The Global Architecture electrical system associated with these vehicles does not allow controller swaps between vehicles.
19NA125
This informational bulletin provides information for dealers/technicians and customers on possible carpet color mismatch.
PIT5202E
This Preliminary Information communication provides information to the technician about vehicles that are equipped with 6L80 Regular Production Option Code (MYC), 6L90 Regular Production Option Code (MYD) or 8L90 Regular Production Option Code (M5U) Automatic Transmission, now have Powertrain Grade Braking. Powertrain grade braking assists when driving on a downhill grade to help maintain desired vehicle speed by using the engine and transmission to slow the vehicle.
PIT5074L
This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking tension or probing the .64 series terminals. The test probe terminal has been released in the terminal repair kit (J-38125-620H) located in Lear Tray 7 part number 963716-2. There are 5 terminated leads in a package part number is 13505346, which can be ordered through your normal General Motors Customer Care and Aftersales parts channel.
120851002J
This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures.
080730035D
This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
PIT5551D
This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert".
PIT3219F
This Preliminary Information communicates to technicians that the Daytime Running Lamps (DRL's) or the auto headlamps will not shut off when using the daytime running lamp disable switch (Which is part of the headlamp switch), if the vehicles was built for Canada (RPO Z49). These vehicles were built with different software that doesn't allow the DRL's or Auto headlamp to be shut off. Canada law prohibits disabling daytime running lamps (DRL's) or auto headlamps.
PIT3665G
This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn.
PIT5412D
This Preliminary Information communication provides information to the technician about vehicles that have either the truck or the snowplow's headlights are flickering or inoperative. There may be a diagnostic trouble code B2575 and or a B2699 set in the body control module. Technician will need to contact the snowplow manufacturer for additional information on their headlight changeover system. Technician is to refer to the latest version of the General Motors up-fitter integration bulletin 116 for additional information these circuits. Technician can find this information at http://www.gmupfitter.com/, under the "Technical Bulletin" Tab and then "Show all bulletins."
000310006N
This informational bulletin provides information for dealers/technicians on Tire Radial Force Variation (RFV).
PIP5498L
This Preliminary information communicates A vehicle may have a concern of DTC P050D setting along with a P0300 after a cold start up. White smoke and/or coolant odor may come from exhaust for an extended period of time at cold start as well. Cause Coolant getting into the cylinders, and provides direction for the repair.
PIP5640
This Preliminary Information communication provides information to the technician to not remove the torque converter bolts and start the engine as this may cause damage to the torque converter of the crankshaft on vehicles equipped with an automatic transmission.
PIP5644
This Preliminary information communicates Check Engine Light on and vehicle runs rough. This condidtion will occur within the first 5 minutes after the vehicle is started. his condition may be caused by a software anomaly that allows all four DTC's P0132, P0137, P0152, P0157 to set. All 4 DTCs must be in history for this PI to apply.
18NA217
This technical bulletin provides a procedure to locate and repair a possible short in the 5294 circuit and correct the customers concern.
PIP5226C
This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change. Technician will gain access to the roller rockers to inspect them. Only replace the roller rocker that is missing needle bearings. Be sure to clean the oil drains to retrieve the needle bearings. Each roller rocker has 66 bearings.
080089014E
This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC).
PI1255G
This preliminary informational bulletin contains recommendations of what needs to be done to swap/install camper outside rearview mirrors on a vehicle not originally equipped with them.
140604004E
This informational bulletin explains the normal noises an engine may make when the ambient temperature outside is cold or the vehicle has sat for a few hours.
17NA228
This informational bulletin provides information on Click or Tick Noise on 3-4 Shift that it should be considered a normal characteristic.
PIP5642
This Preliminary information communicates A vehicle may have a concern of a misfire P0300 on bank 1 that may or may not be felt driving. The Cause may be the HPFP lifter
PIC5260C
This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.
PIT4610F
This Preliminary Information communication provides information to the technician that First Responder Guides for General Motors vehicles can be accessed via the web at http://www.gmstc.com. or http://www.nfpa.org/
DORS3C7D09
This SKU is a Pitman Arm. The customer communication requested return of unsold inventory to inspect for incorrect taper of the spline. Incorrect taper of the spline prevents it from installing with the mating component, preventing installation of the part, and would therefore have no impact on the end user besides time required to complete installation.
PIT5540A
This Preliminary Information communication provides information to the technician about vehicles that have a low voltage reading on the volt gauge during the first several minutes after a cold start. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle.
030729004L
This informational bulletin provides normal operating characteristics and diagnostic information on Manual transmissions.
030603004Y
This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.
1008110001H
This informational bulletin provides information on proper use of floor mats.
18NA144
This technical bulletin provides a procedure to locate possible chassis wiring damage from areas along the frame and repair them if found.
N18218893-01
N182188930-01 - Special Coverage (Added Customer Reimbursement Labor Codes). Some vehicles, equipped with a Duramax Diesel engine, the transmission cooler lines may be rubbing on the front frame/bumper mount bracket. This condition could cause the cooler lines to leak. Transmission fluid may be seen on the ground under the front bumper. Some drivers may have difficulty selecting gears or experience transmission slip. This special coverage covers the condition described above for a period of 6 years or 72,000 miles (116,000 km), whichever occurs first, from the date the vehicle was originally placed in service, regardless of ownership. Dealers are to replace the transmission cooler lines. The repairs will be made at no charge to the customer.
PIP5541A
This Preliminary information communicates to the dealer technician using the PICO scope will aid in determining if the if the engine or transmission is root cause of a vibration or shudder concern.
110089005N
This warranty administration bulletin provides information on Dealer Empowerment Labor Operations and Customer Enthusiasm.
030089006Q
This informational bulletin provides the dealership with how to prep a vehicle for delivery to the customer to aid in higher CSi scores.
060089029O
This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles.
PIT5526C
This Preliminary Information communication advises the technician that the Technical Assistance Center TAC has ended the part restriction for the A15, Starter Generator (MGU). The dealer technician is advised to call the GM Technical Assistance Center for further assistance.
040089053G
This informational bulletin provides information for the dealer technician to gather as much information to help aid Engineers by completely filling out requested reports.
070849020P
This informational bulletin provides information for the IPC odometer programming method quick reference guide.
1008110001G
This informational bulletin provides information on proper use of floor mats.
PIT3098G
This Preliminary Information communication provides information to the technician about vehicles that have a lean to the left or right. Technician will need to measure fender wheel-opening heights, front and rear, to quantify vehicle lean. Fender wheel-opening heights are related to, but distinct from, trim height. The front wheel-opening height is known as P height, and the rear wheel-opening height is known as R height. Adjust and heights that are out of specification. After all adjustments are done, perform a front-end alignment and check headlight aim.
16NA111
This informational bulletin provides diagnostic/inspection information for the air box and air filter seal to correct a MIL and DTCs P0420 and P0430 setting.
PIP4902M
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
18NA037
This Bulletin provides ECM reprogramming information to Correct DTC P2101.
PIE0500A
This engineering informational bulletin is requesting information to check the shutters through the grille opening of the vehicle. If snow and/or ice is present on the active grille air shutters, take pictures and submit through the Field Reporting Process.
100845001F
This bulletin provides information for electrical ground repairs using new replacement fasteners with "conductive finish".
PIP5526A
This Preliminary Information communication advises the technician that the Product Quality Center part restriction has ended for the 8L45 and 8L90 park actuator rod.
PIT5511C
This Preliminary Information communication advises the technician that some vehicles may have a dim Driver Information Center when the interior of the vehicle is hot from a sun load or extended heater operation. The Driver Information Center is designed to dim with high temperature exposure. This is done to protect the Driver Information Center from damage.
090089002Q
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer.
PIP5632
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
PIT5386E
This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. On trucks equipped with the Back Up Alarm (RPO 8S3), the alarm will be intentionally left disconnected from the assembly plant. Technician will reroute the harness and plug it in.
PIP4902L
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
050604022P
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.
PIP3119P
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on at low mileage. Technician may find Diagnostic Trouble Codes P0420 and or P0430 stored. Technician should be advised that the catalytic converter efficiency Diagnostic Trouble Codes P0420 and P0430 are disabled for the first hour of engine run time to allow break-in of the catalytic converter. Technician will need to use a Tech2 to check the verify engine run time on the Engine Hour Meter in the Instrument Panel Cluster Data Display/Data 1 List in the scan tool match. If the engine run time is less than one hour, the battery may have been disconnected, or another vehicle power loss event may have occurred, during vehicle manufacturing. Technician will need to clear the Diagnostic Trouble Codes and perform a drive cycle. If the catalytic converter was replaced and the Diagnostic Trouble Codes set it may be a result of the engine run time restrictions no longer being in place since the vehicle is no longer new. Technician will need to clear the Diagnostic Trouble Codes and perform a drive cycle.
PIP5427B
This Preliminary Information communication provides information to the technician about vehicle that may have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P2635, U0074 and or U18A2. Technician will need to follow published diagnostics for Diagnostic Trouble Codes U0074 would take priority over U18A2 if both set before addressing DTC P2635.
060605001H
This informational bulletin explains the normal characteristics of exhaust noise during active fuel management when in Three or Four Cylinder Mode.
150601002H
This technical bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL on.
PIE0499B
This engineering informational bulletin is requesting information and document the exact location of the wire chafing by taking a photo of the flex fuel pigtail as it appears BEFORE repairs are made.
PIT5552C
This Preliminary information communicates repair information for the rear vision camera or surround vision camera image being: - Yellow - Blurry - Distorted - Image scrolling - Image with NO gridlines - Screen is blue with gridlines - Screen is blue with Service Rear Vision System message
PIT5553B
This Preliminary information communicates Operational Tips/Support For GM Accessory Three Camera Trailering System Package By EchoMaster.
PIT5513J
This Preliminary Information communication advises the technician that the Technical Assistance Center TAC has a part restriction that has ended for the hybrid/EV battery Pack, Hybrid/EV Powertrain Control Module (HPCM2), High Voltage Battery Interface Control Module 1 and 2, Drive Motor Generator Battery Cooling Blower .
PIP4021D
This Preliminary Information communication provides information to the technician that a whine noise heard from the automatic transmission fluid pan hear with the the key on and engine off, or for up to one minute after the vehicle has been shut off should be deemed a normal characteristic.
PIT5545C
This Preliminary information communicates Content Theft Deterrent RPO UTJ is included and only available with Remote Vehicle Start RPO BTV. If the vehicle is not equipped with Remote Vehicle Start RPO BTV the vehicle will not have Content Theft Deterrent.
PIP5540D
This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components. That any of the listed DTC's may set with or without poor engine performance.
PIP5628
This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D
PIT5282E
This Preliminary Information communication provides information to the technician that a customer may request the factory Integrated Trailer Brake Control be bypassed and their aftermarket trailer brake controller be installed instead. Technician will need to gain access to the body harness. Install trailer brake controller harness General Motors part number 23184088 into Middle Bus Electrical Center (X61A).
PIT5527B
This Preliminary Information communication provides information to the technician about vehicles that show a "Take Steering" message on the Driver Information Center along with a warning chime/alert. Dealer should be advised the purpose of the message is to alert the driver that the Lane Keep Assist system has not detected active steering input from the driver (hands off the steering wheel).
PIT5287E
This Preliminary Information communication provides information to the technician with the correct way to remove the front shock electrical connector terminals. Technician will need to slightly bend the end of the J-38125-12A release tool. There is a purple Terminal Position Assurance that will align itself in the release position when the release tool is inserted into the release hole. There is a metal locking tab on the terminal that will need to be pushed in before the terminal will pull out of the connector.
PI0564K
This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).
16NA175
This technical bulletin provides a procedure to flush and drain fluids for the transmission to eliminate a shake and/or shudder during a light throttle acceleration between 40 and 128 KM/H (25 and 80 MPH) at a steady state.
PIT5391E
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that have a no crank or a start and then immediate stall, Service Engine Soon Malfunction Indicator lamp may not be on when the ignition is in the run position. Technician may find Diagnostic Trouble Codes P0513 and or P262B may also be set. Technician will pulled the driver sill plate and inspect the wiring for damaged or corroded circuits. Technician will repair any damaged or corroded circuits.
PIT5444D
This Preliminary Information communication provides information to the technician about the text messaging feature on some newer General Motors infotainment systems. Pair the iPhone to the system then enter the Bluetooth settings menu, select the ?i? icon next to the vehicle name in the device and enable show notifications. The text messaging feature will be available on the next ignition cycle. However with iPhones text messages cannot be responded to when using the infotainment system, they can only be received. For android devices pair the phone to the system during the pairing process the phone will ask you to allow the vehicle to access the device contacts. A second question will pop up on the device asking to allow the vehicle to access the message access profile. Both have to be allowed for the text messaging feature to work.
PI1354I
This preliminary bulletin provides additional guidance for diagnosing vibrations or disturbances that may occur on full size pickups and how to correct and repair.
18NA334
This informational bulletin provides information on Perceived Longer Crank, Misfire, Hesitation Feel and/or Surge conditions of the new L5P 6.6L Diesel Engine.
010089010M
This informational bulletin provides information on comebacks prevention information and using customer concern verification sheets (CCVS).
080089014D
This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC).
19NA011
This technical bulletin provides a procedure to program the ECM if found to be the cause of the customers concern.
030603004X
This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.
120851002I
This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures.
100089005H
This warranty admin bulletin explains to the technician additional information may be needed when submitting transactions when doing wiring repairs.
040089015T
This warranty administration bulletin provides policy information on required operating procedures.
N182188930
N182188930 - Special Coverage. Some vehicles, equipped with a Duramax Diesel engine, the transmission cooler lines may be rubbing on the front frame/bumper mount bracket. This condition could cause the cooler lines to leak. Transmission fluid may be seen on the ground under the front bumper. Some drivers may have difficulty selecting gears or experience transmission slip. This special coverage covers the condition described above for a period of 6 years or 72,000 miles (116,000 km), whichever occurs first, from the date the vehicle was originally placed in service, regardless of ownership. Dealers are to replace the transmission cooler lines. The repairs will be made at no charge to the customer.
060089026O
This warranty bulletin provides labor operation numbers for customer concerns Not duplicated (CCND).
18NA377
This technical bulletin provides repair information to correct a customer concern of front seat lateral movement and/or click type noise while driving.
PIC5650F
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency Identification Devices when the concern is present. Dealer should also direct their customers to the appropriate section in the Owner manuals that references that the device complies.
PIC6073E
This Preliminary Information communication provides information to the technician about the Media Oriented Systems Transport Bus Diagnostic Tool Kit (EL-51578) has been released to help diagnose any of the Media Oriented Systems Transport bus concerns. The kit contains header connectors that are installed to bypass Media Oriented Systems Transport bus modules. The bypass connector also contains a terminal for verifying Media Oriented Systems Transport control circuit voltages. Technician should review Media Oriented Systems Transport bus description and operation and Diagnostic Trouble Code U0028 diagnostic procedures.
PIT3227P
This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Please communicate to the customer this condition is a normal operating characteristic of their vehicle.
PIT5214D
This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer?s vehicles that exhibit vibration conditions without utilizing the support of General Motors Technical Assistance Center. If valid vibration frequency or Road Force Variation data has been collected and a repair attempt does not correct the customer complaint, contact General Motors Technical Assistance Center for further support. For any vehicles that remains unrepaired after being at the dealer for three days or more and a related bulletin or PI is not found, contact General Motors Technical Assistance Center for further support.
PIT5326C
This Preliminary Information communication provides information to the technician about the Upfitters questions about installing aftermarket electrical accessories. Dealer should reference the latest version of General Motors Upfitter Integration Bulletin 115 for this information. It can be found at http://www.gmupfitter.com.
17NA066
This warranty administration bulletin provide policy information for automatic transmission Oil Cooler Flush and flow test.
010842001L
This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines.
PIP5212B
This Preliminary Information communication provides information to the technician about vehicles that have run hot and or has a tick noise. Technician should inspect the head gaskets to ensure are not installed backwards. Technician should replace the head gasket if they are found installed backwards.
PIT5479B
This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. The substance is actually excess assembly grease from the caliper boot and piston installation. This grease can be cleaned off and the rest of the service completed.
PIP5503A
This Preliminary information communicates to the dealer additional information on checking for the engne crankcase being overfull on oil causing an engine vibration concern. The technician is advised to inspect for contaminnants and adjust the engine oil level as needed.
PIP5614
This Preliminary information communicates to the dealer technicians that DTCs P0046, P113B and P206B may be caused by a software anamoly. The anamoly should be corrected by updating the engine control module (ECM).
PIP5540B
This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components. That any of the listed DTC's may set with or without poor engine performance.
000310003X
This warranty administration bulletin provides information on The tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty.
060847001N
This bulletin explains the labor operation numbers used for submitting warranty claims for module reprogramming and not when replacing a module.
060850009J
This informational bulletin provides information for information on passenger presence sensing system (PPS or PSS) concerns with custom upholstery, accessory seat heaters or other comfort enhancing devices.
PIP5565B
This Preliminary information communicates to dealer technicians to refer to service update bulletin N182179090 for 2018 model vehicles and to use labor operation 4029959 Emissions - Customer Concern Not Duplicated (CCND) for 2017 model year vehicles with DTC P140B setting.
PIP5572B
This Preliminary information communicates to dealer technicians to refer to service update bulletin N182179090 for 2018 model vehicles and to use labor operation 4029959 Emissions - Customer Concern Not Duplicated (CCND) for 2017 model year vehicles with DTC P140B setting.
PIP4925B
This preliminary information document communicates a tip on the way to diagnose possible induction or exhaust air leaks using the evaporative emission cart smoke machine and ultrasonic leak detector tools.
PIT5353C
This Preliminary Information communication provides information to the technician about what XM offerings are available for vehicles. A dealer or customer can access the website listed below for vehicle specific XM offerings and availability.
N182179090
Service Update. Certain vehicles may have one or multiple DTCs that are incorrectly illuminating the service engine soon (SES) light. Hardware including fuel injectors and exhaust gas recirculation (EGR) valves may have been used to fix this issue, however, the condition could return after these repairs were made. There is no effect for vehicle performance.
PIP5609
This Preliminary information communicates to the dealer an issue where the vehicle's service engine soon light may illuminate due to trouble codes P0601-P0604, P0606, P062B, P062F, P0630, P16F3, or P262B . The dealer is to inspect the engine control module's electrical connections and for proper powers and grounds. Dealer instructed to replace the Engine Control Module, if no other issues found.
PIP5159C
This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on and Diagnostic Trouble Code P0300 - P0308 may set. Technician will inspect for lose sparkplug wire. If a spark plug wire is found lose check for a missing ?C? clip on the wire end for the ignition coil. If the clip is missing replace the wire.
PIP5395E
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have rattle or ticking noise that is louder inside the vehicle than outside. The noise may also sound like a lifter tick. If the noise is heard best at the fuel line and the sound will be real loud with a stethoscope. The fuel line will need to be replaced.
PIT5438E
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that have a click, rattle or a squeak nose coming from the dash. Technician will use Service Information to locate the Accessory AC and DC Power Control Module located to the right of the steering column. Remove the power inverter module and apply two sided tape to the module bracket to insulate it from the mount. The instrument panel accessory bezel will also need to be removed. Apply flocking tape to the instrument panel accessory bezel retainers. Also the instrument panel extension will need to be removed. Apply foam tape around connectors located under grill to prevent them from rattling on grill. Apply flocking tape to the instrument panel extension retainers and apply a strip of foam tape along the edge of the grill to isolate the grill from the dash.
PIP5601
This Preliminary information communicates
PIT5637
This Preliminary information communicates normal radio display operation when shifting into reverse. Per FMVSS 111 an image must be displayed when shifted into reverse even when a vehicle is not equipped with a backup camera.
PIP4138R
This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on, engine misfire, and/or engine noise. Technician may find Diagnostic Trouble Codes P0300-P0308. If published Service Information diagnostics does not isolate the cause of this concern technician should check for a worn camshaft lobe and/or lifter roller, a sticking valve, valve leakage, a broken valve spring, and a collapsed active fuel management lifter.
PIP5594
This Preliminary information communicates to the dealer technician that there may be a possibleMis-build of the Diesel Exhaust Fluid (DEF) Injector if it was built before provided break point.
PIT5298C
This Preliminary Information communication provides information to the technician on installing Regular Production Option Code 9L7 Up-fitter Auxiliary Switches. Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 110. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."
PIT5359C
This Preliminary Information communication provides information to the technician about vehicles that may have a radio backlighting will stay on even after the ignition has been turned off and the key has been removed for several minutes, eventually the battery will drain. Technician may find following fuses F23DL F22DL F30DL F31DL F32DL with the ignition key in the off position to have voltage. Technician should not replace the Transfer Case Control Module. Technician will need to install a diode, part number 12112422, across the coil of the solenoid. It is important that the striped end of the diode be connected to the positive terminal of the coil and the other end of the diode be connected to ground.
PIT5544B
This Preliminary information communicates information on ahydrauilc rush type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made. The noise is most noticeable in the cab at idle, in park, with all accessories turned off.
PIT5099D
This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
PIP5491A
This Preliminary information communicates to the technician when diagnosing intermittent circuit concerns to look at the connector for missing weather pack seals that could allow water intrusion into the connector and lead to corrosion on the terminals.
PIP5570A
This Preliminary information communicates to the dealer a conditionwhere a tick noise may be present inside a vehicle while driving. This may be the result of a deformed or improperly seated steering shaft seal allowing engine compartment sounds into the vehicle. Dealers are instructed to replace or reinstall the boot as needed and are informed the condition is being reviewed by engineering.
PIP5596
This Preliminary information communicates that when removing the fuel line jumper hose care should be taken to be sure the line is reinstalled correctly to avoid a no/low fuel pressure situation.
PIT4322J
This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Technician may find a Diagnostic Trouble Code C0710. Technician should inspect for vehicles modifications before any in-depth diagnostics are performed.
PIT5403E
This Preliminary Information communication provides information to the technician with the steps to diagnosis and repair vehicles with various handling, vehicle dynamics concerns, noises from the suspension or underbody, or issues related to damaged suspension components. Before any in-depth diagnostics are performed, be aware that various issues could occur if the vehicle has been modified and inform the customer the conditions noted may not be covered under warranty. Technician will inspect for installed aftermarket suspension components. Also inspect for improperly adjusted torsion bars.
PIT5576B
This Preliminary information communicates and issue with the hood ajar message being displayed when the hood is not ajar. Inspect the body ground strap to insure it is connected in the proper locations and the strap eyelets are tight and do not rotate.
PIP4379N
This Preliminary Information communication provides information to the technician about vehicles that have not engagement into drive, delayed, no engagement into reverse, and or a range inhibit. Technician may find Diagnostic Trouble Codes P0701, P0731, P0732, P0733, P0734, P0736, P0751, P0756, P0761, P0776, P0843, P0848, P0873, P0877, P0894 or P2723. Technician should follow published Service Information diagnostics for Diagnostic Trouble Code P0701 first. Technician will also ensure the fluid level is at the top of the hot band when the transmission fluid temperature is 175° Fahrenheit. Diagnostic Trouble Codes P0701, P0731, P0732, P0733, P0734, P0736, P0751, P0756, P0761, P0776, P0843, P0848, P0873, P0877, P0894 or P2723 can set by the following fluid service/filter change, transmission service involving removing the pan, low fluid level caused by leaks, or after long periods of storage. If the fluid level has been properly checked using the HOT check procedure listed in Service Information document 2408059 and any of the Diagnostic Trouble Codes reset during a cold start inspect the internal suction filter for possible cracks. If no other concerns are found inspect for a stuck lube regulator valve in the pump cover due to debris.
PIP5553A
This Preliminary information communicatesThe vehicle may have an ses lamp with any of the following DTC P06DA, P06DB, P06DC, P250A, P0300, P0340, P0341, P0335, P0336, P0641, P0011, P0010, P2088, P2089, and/or P2230. Possible crank no start or a stall. possible wiring jumper harness chaffed at the bolt at the X154 connector on lower left side of the frount cover.
PIT5241F
This Preliminary Information communication provides information to the technician about customers that may request the factory Integrated Trailer Brake Controller Regular Production Option Code (JL1) be installed on their Full-Size Pickup or SUV when the vehicle was not ordered with the option. Dealer should advise the customer it cannot be added to the vehicle.
PIT5513G
This Preliminary Information communication advises the technician that the Technical Assistance Center TAC has a part restriction for the hybrid/EV battery Pack, Hybrid/EV Powertrain Control Module (HPCM2), High Voltage Battery Interface Control Module 1 and 2, Drive Motor Generator Battery Cooling Blower. The dealer technician is advised to call the GMTechnical AssistanceCenter for further assistance
PIP5582
This Preliminary information communicates to the dealer technicians that DTC P0300 with engine misfires on paired cylinders may be caused by an internal ECM fault.
PIP4902K
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
PIT5586B
This Preliminary information communicates a customer concern ofIPC gauges inoperative or fluctuate, No Start,No Crank,SIR Light / Service Airbag Message, Service Suspension Message,Radio display blank, Steering Wheel Controls (SWC) not illuminated, Turn Signal no audible feedback,HVAC controls inoperative. During diagnostics a technician may find any of the following DTC's: B1011, B1370, B3980, U0020, U0029, U007D, U0073, U0078, U0100, U0101, U0102, U0104, U0140, U0151, U0155, U0164,U0184, U0186, U0198, U0422. Dealer is instructed to check Serial Data Gateway Module X2 connector for terminal concerns and repair as needed.
PIP5489C
This Preliminary information communicates to dealer technicians that snow and ice build up is possible if the air filter box is not properly sealed. Aftermarket bumpers may also allow water intrusion.
PIT5386D
This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. On trucks equipped with the Back Up Alarm (RPO 8S3), the alarm will be intentionally left disconnected from the assembly plant. Technician will reroute the harness and plug it in.
PIT5481D
This Preliminary Information communication provides information to the technician with additional information on the functionality of Lane Keep Assist.Starting with2016 model year Lane Keep Assist Regular Production Option Code (UHX) replaced Lane Departure Warning Regular Production Option Code (UFL). Lane Keep Assist is designed to assist the driver in keeping the vehicle from drifting out of a driving lane that has clearly identified markings. The electric power steering provides a gentle steering correction if a lane marking has been crossed and the driver has not actively responded.
PIP5304B
This Preliminary Information communication provides information to the technician about vehicles that have a “Service 4WD Message” displayed in the Driver Information Center. Technician may find Diagnostic Trouble Codes C0392 or C0396. Technician should check the terminal tension on the Transfer Case Control Module X1 connector. Technician should repair any terminal that have poor terminal tension.
18NA156
This technical bulletin provides a procedure to replace the dehydrator to correct the condition of A/C Inoperative and/or Insufficient Cooling due to the seals going bad within the part.
PIP5163D
This Preliminary Information communication provides information to the technician about engine block of possible cylinder bore damage, scoring or out of round as the possible cause of engine oil consumption, misfire, cylinder leakage or blow by. Technician will need to inspect the engine for Cylinder damage or scoring, An out of round cylinder bore, Dirt intrusion, and Catalytic Converter failure.
PIP5370D
This Preliminary Information communication provides information to the technician that some vehicle may have an “Exhaust Fluid Quality Poor” on the Driver Information Center or a diesel exhaust fluid warning lamp on or other exhaust fluid quality related concerns. Technician will inspect the diesel exhaust fluid for contamination. Technician should use Service Information for Contaminants in Diesel Exhaust Fluid Diagnosis and use special tool J26568 or EN50422 Diesel Exhaust Fluid Refractometer for fluid testing.
PIP5468F
This Preliminary Information communication provides information to the technician about vehicles that have a check engine light on. Technician may find Diagnostic Trouble Codes P0101, P0299, P0712, P11CC, P11DC, P2002, P2463, P2627, P2A00, P2459, P22B6, P200C, P200E, P0263, P0266, P0269, P0272, P0275, P0278, P0281 and/or P0284. Technician will need to follow publish Service Information diagnostics first. If Service Information diagnostics do not isolate a root cause of the concern the technician should check for loose or leaking charged air cooler ductwork.
PIP5487C
This Preliminary Information communication advises the technician on the steps to diagnosing the concern and the repair. Customer has Warning Lamps and/Or coolant leaks present.
PIT4745E
This Preliminary Information communication provides information to the technician about vehicles that have raised dents or ripple appearance in the side outer panel of the cargo box around the perimeter of the wheel house opening. Technician should first access the rear of the inner wheelhouse area through the tail lamp cavity and the front of the wheelhouse from under the vehicle, and coat the inner hem of the wheel house to side outer panel with 3M Rust Fighter I. After allowing the 3M Rust Fighter I to dry then apply several coats of Nox Rust X-121B undercoating.
PIP5151F
This Preliminary Information communication provides information to the technician about vehicles that may have a hard start, no start, rough running, or low fuel pressure. Technician may find Diagnostic Trouble Codes P0087, P0088, P0191 and P128E during the inspection. If during the inspection of the fuel system contamination is found the complete fuel system will need to be cleaned and flushed. After the fuel system is cleaned out test the fuel using the latest version of PIT3173.
PIT5513F
This Preliminary Information communication advises the technician that the Technical Assistance Center TAC has a part restriction for the hybrid/EV battery Pack, Hybrid/EV Powertrain Control Module (HPCM2), High Voltage Battery Interface Control Module 1 and 2, Drive Motor Generator Battery Cooling Blower. The dealer technician is advised to call the GMTechnical AssistanceCenter for further assistance
PIP5487B
This Preliminary Information communication advises the technician on the steps to diagnosing the concern and the repair. Customer has Warning Lamps and/Or coolant leaks present.
PIP4681E
This Preliminary Information communication provides information to the technician about vehicles that have a random bump, chuggle, or fishbite sensation when crowding the throttle slightly with the Torque Converter Clutch on while cruising at 35-60 miles per hour. Technician should follow all published Service Information diagnostics if the concern is repaired compare to a like vehicle with the same options.
PIT5624
This Preliminary information communicates a diagnostic tip for an issues with the heated and/or vented seats turning off and setting DTCU1524 because of a loss of voltage to the Seat Heating Control Module.
PIT5387F
This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection dropped, the radio station or volume changes when operating the snow plow. Please advise the customer that engineering is aware of this concern and working on this issue.
PIC6095C
This Preliminary Information communication provides information to the technician on how to tell the difference between the integrated center stack, the radio, the human machine interface, and the vehicle communication interface module. There are pictures of all the individual modules for identification purposes.
PIP3366C
This Preliminary information communicates to the dealer technician thatLight Duty Trucks equipped with automatic transmissions and 4 wheel drive may exhibit a condition of grinding/ratcheting type noise when shifting the automatic transmission into park while the transfer case is in 4 wheel drive low (4LO) range. Dealers technician's are advised this condition should be deemed a normal characteristic of 4WD low operation.
PIT5535C
This Preliminary Information communication provides information to the technician about vehicles thatmay have Service Front Camera, Service Lane Departure Warning, and Service Lane Keep Assist Message. Technician may find Diagnostic Trouble Code B1008 Sym 4B set. Technician will need to check the windshield to ensure it is not aftermarket. Technician will also check for anything that may impair the front view camera and ensure the camera is properly mounted.
PIC5260B
This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.
PIP5572
This Preliminary information communicates to the dealer technicians that injector timing related DTCs are being investigated and to not replace injectors for DTCs.
PIT5232E
This Preliminary Information communication provides information to the technician the steps to diagnose and repair the concern of the display is showing 32° F (0° C) after a battery or reprogramming a module. The outside temperature will begin to update if driven above 20 mph for at least 5 minutes. If the vehicle speed drops below 20 mph, the timer will reset and the display will stop updating. Once the display starts to update it may take several more minutes of driving above 20 mph for the display to fully update. Also if the vehicle is shut off for more than 8 hours the display will update when the ignition is turned on.
PIT5099C
This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
PIP5370C
This Preliminary Information communication provides information to the technician that some vehicle may have an “Exhaust Fluid Quality Poor” on the Driver Information Center or a diesel exhaust fluid warning lamp on or other exhaust fluid quality related concerns. Technician will inspect the diesel exhaust fluid for contamination. Technician should use Service Information for Contaminants in Diesel Exhaust Fluid Diagnosis and use special tool J26568 or EN50422 Diesel Exhaust Fluid Refractometer for fluid testing.
18187
18187 - Customer Satisfaction Program. Certain vehicles may have been built with a BAS (Brake Apply Sensor) pin that was installed incorrectly which may enable the pin to come loose. If the pin comes loose, the power brake system would function as normal, however Check Engine and TCS (Traction Control System) tell-tales would illuminate and Service Stabilitrac and Service Trailer Braking System messages will be displayed in the driver information center. The vehicle brake lights would not illuminate for the duration of the key cycle. Once the vehicle is turned off, it will not be able to be restarted. Inspect and replace the Brake Pedal Assembly, if necessary.
PIP5151E
This Preliminary Information communication provides information to the technician about vehicles that may have a hard start, no start, rough running, or low fuel pressure. Technician may find Diagnostic Trouble Codes P0087, P0088, P0191 and P128E during the inspection. If during the inspection of the fuel system contamination is found the complete fuel system will need to be cleaned and flushed. After the fuel system is cleaned out test the fuel using the latest version of PIT3173.
PIP5508B
This Preliminary Information communication advises the technician that the Product Quality Center has ended the part restriction for the T87A Transmission Control Module.
PIC5953D
This Preliminary Information communication provides information to the technician about vehicles that may have an issue when using Bluetooth voice recognition with an iPhone. Technician should work with the customer to insure the phone contacts to not have any Emojis loaded to any contact.
PIP5335B
This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician will find Diagnostic Trouble Codes P0340 and P0341 setting at times. Technician should use normal published Service Information diagnostics. If normal Service Information diagnostics does not isolate the concern, inspect for corrosion in connector X154 located on the front cover next to the vacuum pump.
PIT5457C
This Preliminary Information communication provides information to the technician about vehicle with Service ABS and/or Traction control lights/message on, Service Power Steering System, Service Suspension System, and or Loss of communication with EBCM, SWPS, PSCM, and/or SCM. Technician may find Diagnostic Trouble Codes U0077, U0121, U0126, U0131, U0139, U0401, U0415, and/or U0428. Technician should remove the driver and passenger sill plate to gain access to the wire harness. If any open, damaged, or corroded wires should be repaired.
PIP5373B
This Preliminary Information communication provides the technician with steps on how to program an Engine Control Module when getting a Service Programming System error code E4491 or E4423. In some cases Techline Customer Support Center may need to be contacted to resolve the issue.
PIT5411M
This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, and displays are placed on restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
18185
18185 - Service Update - In certain vehicles, the concentration of dex-cool coolant to water may be too high and may cause degradation of cooling performance. The driver may see a DIC message at 125 degrees Celsius that the air-conditioning is disabled for engine coolant temperature (ECT), and at 128 degrees Celsius, another DIC message is displayed for Engine Overheated Idle Engine. Dealers are to drain specified coolant amount and replace with water.
PIT5507E
This Preliminary Information communication provides information to the technician about vehicles that may have a diagnostic trouble code U0159 set in the instrument panel cluster and/or the body control module. For vehicles equipped with Ultrasonic Park Assist System Regular Production Option Code UD5 or UD7 technician will use Service Programming System to reprogram the Parking Assist Control Module to correct this concern. Technician will need to inspect the front park assist sensors scallops/reliefs molded into the ring if previously replaced. Technician will need to replace the sensor rings with part number 84075328.
PIT5399A
This Preliminary Information communication provides information to the technician about connectivity concerns when connecting an Apple device via USB cord. Technician should insure the customer is using an original equipment manufacturer Apple USB cable.
PIT5432B
This Preliminary Information communication provides information to the technician about vehicles that have a Shudder, bounce, bucking from the rear of the truck while braking when towing a gooseneck or fifth wheel trailer. Technician will need to measure the actual truck and trailer weights, with the trailer loaded to the point that exhibits the condition. If any weight parameter is exceeded such as the Front Gross Axle Weight Rating, Rear Gross Axle Weight Rating, Gross Vehicle Weight Rating, or Gross Combined Weight Rating the load must be reduced before investigating further. If evaluation of the trailer’s brakes indicates trailer brake capability is adequate, adjust brake controller per the Trailer Gain Adjustment Procedure described in the Driving and Operating section of the Owner’s Manual and evaluate truck and trailer combination for braking shudder.
PIT5506B
This Preliminary Information communication advises the technician this vibration or growl noise can be difficult to diagnose and using the Pico Scope is recommended for diagnosing this concern. Customers has vibration or growl noise between 45-65 Miles-per-hour.
PIT5513E
This Preliminary Information communication advises the technician that the Technical Assistance Center TAC has a part restriction for the hybrid/EV battery Pack, Hybrid/EV Powertrain Control Module (HPCM2), High Voltage Battery Interface Control Module 1 and 2, Drive Motor Generator Battery Cooling Blower. The dealer technician is advised to call the GMTechnical AssistanceCenter for further assistance
18NA141
This informational bulletin provides information on Audio Volume Stuck High or Low with No DTCs and that this is a normal characteristic.
PIP5432A
This Preliminary Information communication advises the technician that the Technical Assistance Center TAC has a part restriction for theGenerator Control Module (GCM). The dealer technician is advised to call the GMTechnical AssistanceCenter for further assistance
PIP5565
This Preliminary information communicates that GM engineering is investigating the root cause of DTC P140B setting.
PIT3219E
This Preliminary Information communicates to techniciansthat the Daytime Running Lamps (DRL's) or the auto headlamps will not shut off when using the daytime running lamp disable switch (Which is part of the headlamp switch), if the vehicles was built for Canada (RPO Z49). These vehicles were built with different software that doesn't allow the DRL's or Auto headlamp to be shut off. Canada law prohibits disabling daytime running lamps (DRL's) or auto headlamps.
PIT5308C
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that have remote start is inoperative, power lift gate Regular Production Option Code (TB5) is inoperative with the ignition off, Crank no start, Start and Stall, and vehicles equipped with the diesel engine, the blower motor may stay on after the engine is turned off. Technician may find Diagnostic Trouble Code P2537 and/or P129Dset. Technician will need to Use a voltmeter and check circuit 5985 at the Engine Control Module and Transmission Control Module. If no or low voltage is found, use the wiring diagram in Service Information and perform normal circuit diagnosis.
18NA134
This technical bulletin provides a procedure to test the radios receiver if certain XM channels cut out (mutes) depending on location of the vehicle.
18NA138
This technical bulletin provides a procedure to replace the HMI module to correct a condition of Radio Control (ICS) Display Does Not Remain Off at Times after it Has Been Turned Off in the Radio Settings Menu due to a software concern.
150603002M
This bulletin provides information on approved warranty part numbers for original equipment batteries.
PIE0462
This engineering informational bulletin is requesting information from the filed on vehicles that have the condition of Trailer Electrical Not Working as Intended and/or Trailer Message Displayed.
1208132001E
This informational bulletin explains to the dealer how to cover a possible customers mistake when a fuse has been blown.
PIC6328A
This Preliminary Information communication provides information to the technician about vehicles that when a phone does not charge properly or charging cycles is on and off rapidly when connected to the single port USB hub of the vehicle. Technician should check the Human Machine Interface part number Dealer should communicate to the customer that we apologize for this inconvenience and that General Motors is working on a solution for this concern if the Human Machine Interface part number ends in 8433. Technician should follow published Service Information diagnostic if the Human Machine Interface part number is not 8433.
PIP5430C
This Preliminary Information communication advises the technician that the 6.6L Diesel engine Regular Production Option Code (L5P) E41Engine Control Module part number 12683624 restriction has ended.
18NA039
This technical bulletin provides a procedure to reprogram the memory set module to correct a condition of Personalization Selections Intermittently Missing from Comfort and Convenience Menu due to a calibration concern.
18NA125
This informational bulletin provides information for engine oil life monitor operation calculation.
17NA269
This Technical bulletin provides information on new software to correct the rear camera display being too bright.
PI0754C
This PI bulletin provides information on Rear and Side Tempered Glass Spots (Quench Marks) and they are normal characteristic.
PIE0456A
This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Service Stabiltak, ABS, Service Trailer Brake Light, and/or Service Traction Control Indicator Illuminated with DTC C0045 or C0050 Set.
PIT5411L
This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, and displays are placed on restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
080730035C
This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
150603002L
This informational bulletin provides information on approved warranty part numbers for original equipment batteries
PIC6328
This Preliminary Information communication provides information to the technician about vehicles that when a phone does not charge properly or charging cycles is on and off rapidly when connected to the single port USB hub of the vehicle. Technician should check the Human Machine Interface part number Dealer should communicate to the customer that we apologize for this inconvenience and that General Motors is working on a solution for this concern if the Human Machine Interface part number ends in 8433. Technician should follow published Service Information diagnostic if the Human Machine Interface part number is not 8433.
PI0281G
This preliminary informational bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.
PIP5543A
This Preliminary information communicates to dealer technicians a repair direction for a whine or siren type noise coming from the in tank fuel pump in cold weather areas due to possible diesel fuel waxing or gelling issues.
PI0564J
This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).
130089010B
This informational bulletin provides information to dealership personnel on policies regarding a Product Assistance Claim (PAC) within the Courtesy Transportation Assistance Program.
17337
17337 - Product Emission Recall. General Motors has decided to conduct a Voluntary Emission Recall involving certain 2016 model year Chevrolet Colorado, GMC Canyon; 2017 model year Chevrolet Express, GMC Savana; 2017-2018 model year Chevrolet Colorado, Cruze, Silverado HD, GMC Canyon, Sierra HD and 2018 model year Chevrolet Equinox, GMC Terrain vehicles, equipped with a diesel engine. The engine control module in these vehicles may not properly diagnose a fault in the exhaust particulate matter sensor. Additionally, a subset of these vehicles, certain 2017 model year Chevrolet Silverado HD and GM Sierra HD vehicles, may in rare instances exhibit a condition in which the engine surges up to 2,800 RPM during vehicle coast or vehicle braking. Program the engine control module and transmission control module when applicable.
060089031E
This informational bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification.
PIP5179D
This Preliminary Information communication provides information to the technician about vehicles that have extended or long crank time during cold ambient air temperatures. Direct Injection systems run at higher pressures, and the mechanical pump on the engine must build up the required pressure before the first injection event occurs. Direct Injection engines may have slightly longer cold crank times than that of port fuel engines.
PIT5195D
This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Dealer should advise the customer the specification for speedometer needle accuracy is +/- 2 MPH at any given speed when looking straight at the needle.
PIT5507D
This Preliminary Information communication provides information to the technician about vehicles that may have a diagnostic trouble code U0159 set in the instrument panel cluster and /or the body control module. For vehicles equipped with Ultrasonic Park Assist System Regular Production Option Code UD5 or UD7 technician will use Service Programming System to reprogram the Parking Assist Control Module to correct this concern. Technician will need to inspect the front park assist sensors scallops/reliefs molded into the ring if previously replaced. Technician will need to replace the sensor rings with part number 84075328.
PIT5586A
This Preliminary information communicates a customer concern ofIPC gauges inoperative or fluctuate, No Start,No Crank,SIR Light / Service Airbag Message, Service Suspension Message,Radio display blank, Steering Wheel Controls (SWC) not illuminated, Turn Signal no audible feedback,HVAC controls inoperative. During diagnostics a technician may find any of the following DTC's: B1011, B1370, B3980, U0020, U0029, U007D, U0073, U0078, U0100, U0101, U0102, U0104, U0140, U0151, U0155, U0164,U0184, U0186, U0198, U0422. Dealer is instructed to check Serial Data Gateway Module X2 connector for terminal concerns and repair as needed.
010310003Q
This bulletin contains information for the new tires that the vehicle is equipped with and that they are covered by General Motors against defects in material or workmanship under the New Vehicle Warranty (in Canada, the Base Warranty Coverage). For vehicles within this warranty period, defective tires will be replaced on a pro rata adjustment basis according to the published distance-based schedule.
PIT5311D
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have an intermittent "Check Trailer Wiring" or "Service Trailer Brake" message on the Driver Information Center. Technician will inspect and clean the ground wire (normally white wire) connection on the trailer side of the 7-pin connector. Inspect that the wires inside the trailer side connector are clean and securely fastened. If the vehicle’s 7-way connector socket terminals are deformed or have excessive wear, it will be necessary to replace the truck side connector with part number 23404450.
PI1354H
This preliminary bulletin provides additional guidance for diagnosing vibrations or disturbances that may occur on full size pickups and how to correct and repair.
PIP5562
This Preliminary information communicates to the dealer technicain a concern with the GPCM service parts(12687698 and 12671083) for 2017 – 2018 vehicles with the 6.6 L5P diesel.
000089027J
This informational bulletin provides information to dealership personnel on properly eliminating unwanted odors in vehicles.
18NA085
This informational bulletin helps the technician on how to determine the difference in small, med, to large leaks in induction or exhaust systems when using a soapy solution or smoke.
PIT5391D
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that have a no crank or a start and then immediate stall, Service Engine Soon Malfunction Indicator lamp may not be on when the ignition is in the run position. Technician may find Diagnostic Trouble Codes P0513 and or P262B may also be set. Technician will pulled the driver sill plate and inspect the wiring for damaged or corroded circuits. Technician will repair any damaged or corroded circuits.
PIT5411K
This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, and displays are placed on restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
PIP4112S
This Preliminary Information communication provides information to the technician of a complaint of a sag or hesitation when accelerating. The concern is present when coasting at low speeds of less than 15 miles per hour and then aggressively applying the throttle, or after making a hard stop followed by an aggressive throttle. This concern may also be present while crusing at highway speeds and then an aggressive increase in throttle.This is considered normal operation of the vehicle the throttle is delayed and opened slowly up to .7 seconds to help minimize driveline lash and clunking or will have approximately .5 seconds of zero torque to allow the transmission to shift to downshift.
110089002C
This informational bulletin was created to inform that any accessories that are installed from the GM factory will be covered under the standard vehicle warranty and dealer installed accessories will be covered for a full year (12 months).
18075
18075 - Service Update. Certain vehicles equipped with an auxiliary battery (RPO K4B) may have the ?buddy clip? to the high-pressure power steering hose and two other clips for the auxiliary negative battery cable not attached consistently during assembly process. Inspect the ?buddy clip? and two auxiliary negative battery cable attachments and secure if required.
18NA079
This technical bulletin provides a procedure to replace the drivers front door window regulator motor and door wiring harness if water and/or corrosion is found in the connectors.
030089006P
This informational bulletin provides the dealership with how to prep a vehicle for delivery to the customer to aid in higher CSi scores.
PIE0456
This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Service Stabiltak, ABS, Service Trailer Brake Light, and/or Service Traction Control Indicator Illuminated with DTC C0045 or C0050 Set.
PIT4529D
This preliminary information explains that there are differences between the Elevated Idle, PTO and High Idle options.
PI1354G
This preliminary bulletin provides additional guidance for diagnosing vibrations or disturbances that may occur on full size pickups and how to correct and repair.
PIT5282D
This Preliminary Information communication provides information to the technician that a customer may request the factory Integrated Trailer Brake Control be bypassed and their aftermarket trailer brake controller be installed instead. Technician will need to gain access to the body harness. Install trailer brake controller harness General Motors part number 23184088 into Middle Bus Electrical Center (X61A).
17NA215
This technical bulletin provides a procedure to properly reprogram an onstar module to correct a condition of Red LED, No WiFi Operation, and/or Limited OnStar® Module Functionality After OnStar Module Replacement for Another Condition.
18026
18026 - Emissions Recall. General Motors has decided to conduct a Voluntary Emission Recall on certain vehicles equipped with a 6.0L gasoline (L96) engine and dual fuel tanks (N2N). There is a potential that the rear fuel tank inlet check valve may have been damaged during vehicle assembly. If this condition exists it may be possible for fuel or fuel vapor to leak at the connection of the fuel filler hose to the rear fuel tank. Dealers are to replace the rear fuel tank.
090604015C
This informational bulletin provides a revision for 09-06-04-015B (Vehicles Sitting Outside on Dealer Lots for Extended Periods with Hard Start/No Start Condition) to add the 2015-2018 model years.
18019
18019 - Customer Satisfaction Program. Certain vehicles may have a condition in which customers are unable to install the winter grille cover used to increase under hood temperatures, and improve HVAC performance in cold temperatures. Incorrect parts may have been placed in the loose ship items. Replace winter grille cover.
090604026N
This informational bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2 9U.S. and Canada
17NA214
This technical bulletin provides repair information to correct customer concerns of OnStar, XM, GPS or antenna malfunction ? may set DTC B2462, B2470 or B125C - and/or water leak on headliner at sun visor or overhead console areas, possible battery drain concern.
110089005L
This warranty administration bulletin provides information on Dealer Empowerment Labor Operations and Customer Enthusiasm.
PIP5489B
This Preliminary information communicates to dealer technicians that snow and ice build up is possible if the air filter box is not properly sealed. Aftermarket bumpers may also allow water intrusion.
PIT3098F
This Preliminary Information communication provides information to the technician about vehicles that have a lean to the left or right. Technician will need to measure fender wheel-opening heights, front and rear, to quantify vehicle lean. Fender wheel-opening heights are related to, but distinct from, trim height. The front wheel-opening height is known as P height, and the rear wheel-opening height is known as R height. Adjust and heights that are out of specification. After all adjustments are done, perform a front-end alignment and check headlight aim.
PIT5049D
This Preliminary Information communication provides information to the technician on the steps to help diagnose and repair vehicles with a rattle, squeak, clunk, thump, or bump. If published Service Information diagnostics do not lead to a repair for the concern. Technician should inspect the opposite side shock/strut for the cause of the concern.
PIT5287D
This Preliminary Information communication provides information to the technician with the correct way to remove the front shock electrical connector terminals. Technician will need to slightly bend the end of the J-38125-12A release tool. There is a purple Terminal Position Assurance that will align itself in the release position when the release tool is inserted into the release hole. There is a metal locking tab on the terminal that will need to be pushed in before the terminal will pull out of the connector.
PIT5511B
This Preliminary Information communication advises the technician that some vehicles may have a dim Driver Information Center when the interior of the vehicle is hot from a sun load or extended heater operation. The Driver Information Center is designed to dim with high temperature exposure. This is done to protect the Driver Information Center from damage.
PIT5552B
This Preliminary information communicates repair information for therear vision camera or surround vision camera image being: - Yellow - Blurry -Distorted - Image scrolling - Image with NO gridlines - Screen is blue with gridlines - Screen is blue with Service Rear Vision System message
PIT5553A
This Preliminary information communicatesOperational Tips/Support For GM Accessory Three Camera Trailering System Package By EchoMaster.
PIP5395D
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have rattle or ticking noise that is louder inside the vehicle than outside. The noise may also sound like a lifter tick. If the noise is heard best at the fuel line and the sound will be real loud with a stethoscope. The fuel line will need to be replaced.
PI0689C
This preliminary information bulletin provides a procedure for installing a aftermarket tool or utility box.
PIT5411J
This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, display, and Media Disc Players are placed on restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
PIP4670E
This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. The Global Architecture electrical system associated with these vehicles does not allow controller swaps between vehicles.
070842006M
This informational bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box removed.
PIP5553
This Preliminary information communicatesThe vehicle may have an ses lamp with any of the following DTC P06DA, P06DB, P06DC, P06B6, P06B7, P250A, P0300, P0340, P0341, P0335, P0336, P0641, P0011, P0010, P2088, P2089, and/or P2230. Possible crank no start or a stall. possible wiring jumper harness chaffed at the bolt at the X154 connector on lower left side of the frount cover.
030603004W
This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.
060601010D
This informational bulletin explains how the catalytic converters may need an inspection, cleaning or replacement if debris have entered the exhaust system.
150603002K
This informational bulletin provides information on approved warranty part numbers for original equipment batteries
150603001D
This informational bulletin provides information to diagnose batteries that have set for a long period of time and/or cold weather climates and testing those batteries.
17456
17456 - Customer Satisfaction Program. Certain vehicles may have a condition in which the rear wheel hub nut could become loose due to the rear wheel hub nut retainer not being formed properly. If the hub nut loosens, the StabiliTrak message may be displayed in the driver information center (DIC) and the traction control indicator may illuminate, axle fluid may leak from the axle seal area, and rear axle housing damage could occur. Replace the hub nut retainer. Inspect the axle tube threads for damage and repair if necessary.
PIE0405C
This engineering informational bulletin is requesting information from the field on vehicles that have the condition of a Torque Converter Shudder.
18NA027
This informational bulletin provides information retaining to the fact that Service Manuals will now be available on USB.
18NA006
The technical bulletin provides a procedure for inspecting and performing a cooling system purge if the cooling system has been found low on coolant.
PIP5226B
This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change. Technician will gain access to the roller rockers to inspect them. Only replace the roller rocker that is missing needle bearings. Be sure to clean the oil drains to retrieve the needle bearings. Each roller rocker has 66 bearings.
PIP4138Q
This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on, engine misfire, and/or engine noise. Technician may find Diagnostic Trouble Codes P0300-P0308. If published Service Information diagnostics does not isolate the cause of this concern technician should check for a worn camshaft lobe and/or lifter roller, a sticking valve, valve leakage, a broken valve spring, and a collapsed active fuel management lifter.
PIT3271H
This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
PIT3665F
This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn.
17337 02
17337 02 Phase 3 - Product Emission. General Motors has decided to conduct a Voluntary Emission Recall involving certain vehicles, equipped with a diesel engine. The engine control module in these vehicles may not properly diagnose a fault in the exhaust particulate matter sensor. Additionally, a subset of these vehicles, certain 2017 model year Chevrolet Silverado HD and GM Sierra HD vehicles, may in rare instances exhibit a condition in which the engine surges up to 2,800 RPM during vehicle coast or vehicle brakingProgram the engine control module, and transmission control module when applicable.
140879001C
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PIT5233D
This Preliminary Information communication provides information to the technician about vehicles that may have hard or unable to rotate ignition key concern. When the concern is present the steering wheel will need to be rotated in either direction to alleviate the pressure between the steering column lock pin and lock plate. Please communicate to the customer this condition is a normal operating characteristic of their vehicle.
PIT5412C
This Preliminary Information communication provides information to the technician about vehicles that have either the truck or the snowplow's headlights are flickering or inoperative. There may be a diagnostic trouble code B2575 and or a B2699 set in the body control module. Technician will need to contact the snowplow manufacturer for additional information on their headlight changeover system. Technician is to refer to the latest version of the General Motors up-fitter integration bulletin 116 for additional information these circuits. Technician can find this information at http://www.gmupfitter.com/, under the "Technical Bulletin" Tab and then "Show all bulletins."
PIT5481C
This Preliminary Information communication provides information to the technician with additional information on the functionality of Lane Keep Assist.Starting with2016 model year Lane Keep Assist Regular Production Option Code (UHX) replaced Lane Departure Warning Regular Production Option Code (UFL). Lane Keep Assist is designed to assist the driver in keeping the vehicle from drifting out of a driving lane that has clearly identified markings. The electric power steering provides a gentle steering correction if a lane marking has been crossed and the driver has not actively responded.
PIP5540A
This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components. That any of the listed DTC's may set with or without poor engine performance.
100864002D
This warranty bulletin explains how to determine if an outside mirrior was damaged by the customer and what is considered warranty and non-warranty.
PIP5504A
This Preliminary Information communication provides information and definitionsto the technician about vehicles that have fishbite, chuggle, misfire,AFM disturbances or torque converter shudder/vibrationconcerns. Technician are advised to use PICO software to determine root cause of the concern. If torque converter shudder is confirmed and no debris is found in the transmission fluid pan the technicians are instructed to flush the transmission fluid three times. If debris is found in the transmission fluid pan the technicians are instructed to also replace the torque converter.
18NA012
This technical bulletin provides a procedure to replace the trans control solenoid assembly if found the cause of the vehicle unable to crank the engine over.
PIP5168F
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a no crank concern. Technician will need to check the valve train for movement when the engine is cranked. If the valve train is not moving while the crankshaft is moving the front cover will need to be removed to inspect for a sheared cam sprocket locator pin. If the cam sprocket locator pin has sheared, replace the engine assembly. If the valve train is rotating during inspection, disconnect the Camshaft Position sensor and check if the engine will start. If the engine starts front cover will need to be removed to inspect for a sheared cam sprocket locator pin. If the cam sprocket locator pin has sheared, replace the engine assembly. If the engine does not start with the Camshaft Position sensor disconnected the follow published “Engine Cranks But Does Not Run” diagnosis in Service Information. Also perform an Engine Compression Test and Cylinder Leakage Test in Service Information documents all results. If the Service Information procedures above isolate an engine mechanical concern then removed to inspect for a sheared cam sprocket locator pin. If the cam sprocket locator pin has sheared, replace the engine assembly.
PIP5330C
This Preliminary Information communication provides information to the technician about vehicles that have a coolant loss and/or coolant odor after driving the vehicle. Technician will need to test the cooling system looking for leaks at the outer head bolts. If coolant is found replace the head the concern is present on.
PIP5308B
This Preliminary Information communication provides information to the technician about vehicles with the Service Engine Soon Malfunction Indicator Lamp on. Technician should follow published Service Information diagnostics that will lead to an oil pump replacement. Technician should replace the oil pump. If debris is found, the main and rod bearings should be inspected before engine replacement is considered.
050851001I
This information bulletin provides a procedure on how to remove the paint stain that may present itself under the shipping film.
PI0653E
This preliminary informational bulletin provides information on Damaged, Disassembled or Improperly Packaged Turbochargers Returned to Warranty Part Center.
PIP5130J
This Preliminary Information communication provides information to the technician how to diagnose and repair a vehicle with an engine that runs with an intermittent crank no start with a Diagnostic Trouble Code P0011 or P00C6 current or history. The Camshaft Position Actuator Solenoid Valve may be sticking or binding causing the valve timing to be retarded. Dealer will need to cycle the Camshaft Position Actuator Solenoid Valve by energizing it using Global Diagnostic System 2.
PIT5245C
This Preliminary Information communication provides information to the technician about vehicles that the blower motor may be noisy or vibrate when running. This concern will only occur when the temperatures is below 32 degrees Fahrenheit and if the blower motor is removed while still cold, ice may be found on the blower motor cage. This concern could be caused by water leaking or snow ingestion into the Heater-Vent-Air Conditioning case. Technician is to perform normal water testing diagnostics while the Heater-Vent-Air Conditioning is running, looking for water leaking past the plenum cover. If water is leaking past the cover remove the cover and install a 12x12 snow resistant screen to the fresh air intake. Reseal and install the plenum cover cap using Kent air dry sealer or equivalent.
PIP5543
This Preliminary information communicates to dealer technicians a repair direction for a whine or siren type noise coming from the in tank fuel pump in cold weather areas due to possible diesel fuel waxing or gelling issues.
PIP3343F
This Preliminary Information communication provides information to the technician about vehicles that have an oil leak shortly after a cold start when extremely low ambient temperatures are present. Technician will need to clean the area of the oil leak, clean and dry the PCV hoses, and replace the oil fill cap with part number 12589430.
PIT5552A
This Preliminary information communicates repair information for therear vision camera or surround vision camera image being: - Yellow - Blurry -Distorted - Image scrolling - Image with NO gridlines - Screen is blue with gridlines - Screen is blue with Service Rear Vision System message
060089026N
This warranty bulletin provides labor operation numbers for customer concerns that cant be duplicated.
PIP5541
This Preliminary information communicates to the dealer technician using the PICO scope will aid in determining if the if the engine or transmission is root cause of a vibration or shudder concern.
010310003P
This bulletin contains information for the new tires that the vehicle is equipped with and that they are covered by General Motors against defects in material or workmanship under the New Vehicle Warranty (Base Warranty Coverage). For vehicles within this warranty period, defective tires will be replaced on a pro rata adjustment basis according to the published distance-based schedule.
18NA001
This informational bulletin explains normal operation of HID bulbs when driving over road irregularities.
PIP5540
This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components.
17NA074
This informational bulletin provides information and Tips for Customers Having Difficulty Launching Android Auto or Apple CarPlay.
050604022O
This informational bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles.
PIT5529A
This Preliminary Information communication provides information to the technician about vehicles that have Trailer connection not recognized or “Check Trailer wiring” or “Service Trailer Brake” message. Technician may find Diagnostic Trouble Codes C1112, C1113, C1114, C111B, U1556, and/or U1505. Technician will need to inspect the battery and Trailer Brake Power Module connector for corroded terminals and replace as necessary.
PIT5576A
This Preliminary information communicates and issue with the hood ajar message being displayed when the hood is not ajar. Inspect the body ground strap to insure it is connected in the proper locations and the strap eyelets are tight and do not rotate.
PIP5481B
This Preliminary Information communication provides information to the technician about vehicles that have a check engine light on. Technician may find Diagnostic Trouble Code P026A. The owner's manual advises not to drive above 45 MPH with a snowplow installed.
PIP5537A
This Preliminary information communicates to the dealer technician how to diagnose for a possible damaged or broken pushrod.
PIT5314B
This Preliminary Information communication provides information to the technician about vehicles that have installed an aftermarket bed cap or topper may question where they can wire in the center high mounted stop light for the cap or topper. Provisions for the center high mounted stop light have been provided at the Rear Body Junction Block (X63A) connector X6 terminal 1 for 2014-2015 model years. For vehicle model years 2016-2017 provisions for the center high mounted stop light have been provided at connector X400 terminal 4, circuit 1054.
PIC5650D
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency Identification Devices when the concern is present. Dealer should also direct their customers to the appropriate section in the Owner manuals that references that the device complies.
PIP5522B
This Preliminary information communicatesA vehicle may have a concern of engine noise and/or a misfire. This may be caused by a broken rocker arm.Abroken rocker arms that could result in the valve dropping to the cylinder, causing a catastrophic failure and the engine requires replacement due to cylinder head and block damage. If a broken rocker arm is found check to see if the valve dropped into the cylinder if so the engine will need to be replaced.On occasions the valve will not drop, reinstall any valve keepers and replace all the intake rocker arms.
PIC5491K
This Preliminary Information communication provides information to the technician about vehicles that have an OnStar system that will not power up. Technician should turn off the ignition and cancel retained accessory power. After the vehicle has powered down remove power to the OnStar module for five minutes. After the power has been removed for five minutes, if the OnStar system is working release the vehicle. If the OnStar system is still inoperative continue with published Service Information diagnostics.
PIP4578B
This PI was superseded to update model years and add information concerning idle surge, reduced engine power mode, and/or DTCs P0068, P0121, P1516, P2101, P2119, and/or P2176 that may be experienced on high mileage vehicles. Please discard PIP4578.
PIT5354B
This Preliminary Information communication advises the technician how to determine if the vehicle is equipped with wireless fidelity. Technician should check the Regular Production Option Code list for (VV4).
040089015R
This warranty administration bulletin provide policy information on required operating procedures.
16NA075
This Bulletin provides procedures to correct a condition of Power Foldaway Mirror Glass Shake, Flutter at Normal Driving Speeds
PIP5434B
This Preliminary Information communication advises the technician that the 6.6L Diesel Engine exchange program has ended.
PIP5537
This Preliminary information communicates to the dealer technician how to diagnose for a possible damaged or broken pushrod.
000310003W
This warranty administration bulletin provides information on The tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty.
17447
17447 - Service Update -.Some vehicles without a rear camera were produced with the calibration for a rear camera. The infotainment screen attempts to display an image that does not exist (dark screen). Reprogram the radio with the intended calibration for rear camera delete.
080730026E
This informational bulletin provides information on Some vehicles may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a slight movement that is more often seen visually, rather than felt, when viewed from the outside and using the auto-start feature, if equipped.
150601002F
This technical bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL on.
17337 Phase 2
17337 01 Phase 2 - Product Emission. General Motors has decided to conduct a Voluntary Emission Recall involving certain vehicles, equipped with a diesel engine. The engine control module in these vehicles may not properly diagnose a fault in the exhaust particulate matter sensor. Additionally, a subset of these vehicles, certain 2017 model year Chevrolet Silverado HD and GM Sierra HD vehicles, may in rare instances exhibit a condition in which the engine surges up to 2,800 RPM during vehicle coast or vehicle brakingProgram the engine control module, and transmission control module when applicable.
070089037L
This warranty administration bulletin provide policy information for courtesy transportation and roadside assistance programs.
130232001E
This technical bulletin provides a procedure to flush and bleed power steering system to correct a power steering noise or fluid leak concern that is caused during extremely low temperatures.
17NA396
This technical bulletin provides a procedure to diagnose and repair possible valve body issue or software issue.
PIP5245B
This Preliminary Information communication provides information to the technician on how to diagnose vehicles with various noises associated with four wheel drive operation. Before beginning any diagnosis it is imperative to review the Symptoms - Transfer Case in Service Information and perform the necessary inspections. In all cases the complaint vehicle should be compared to another like vehicle before beginning any repairs.
060309004K
This technical bulletin provides a procedure to apply grease to the leaf springs to correct a condition of a squeak noise from the metals making contact.
17NA392
This technical bulletin provides repair information to correct a customer concern of a rattling noise coming from the rear passenger side floor of the cab.
120089007A
This informational bulletin provides information on dealer responsibility for cargo carrying capacity labeling and the part numbers for the labels.
150603001C
This informational bulletin provides information to diagnose batteries that have set for a long period of time and/or cold weather climates and testing those batteries.
PIT5341C
This Preliminary Information communication provides information to the technician about owners that want the auto door lock disabled. There is no avalible setting or Body Control Module calibration to turn off the auto door locks.
PIC5839D
This Preliminary Information communication provides information to the technician about vehicles that may have a clock that is slow to update while driving when the clock auto set feature enabled. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle.
PIT5326B
This Preliminary Information communication provides information to the technician about the Upfitters questions about installing aftermarket electrical accessories. Dealer should reference the latest version of General Motors Upfitter Integration Bulletin 115 for this information. It can be found at http://www.gmupfitter.com.
PIT5466B
This Preliminary Information communication provides information to the technician to help converting vehicles to fleet key option Regular Production Option Code 6E2 or 6E8. Technician will need to check the Regular Production Option Code for 6E2 or 6E8. Technician will need to order the correct key part number per the Regular Production Option Code. Then the technician will need re-code the lock cylinders to match the Regular Production Option Code. Also replace the Body Control Module and normal Service Programming System to the Body Control Module will turn the vehicle to a common key.
150603002J
This informational bulletin provides information on approved warranty part numbers for original equipment batteries
070089036I
This informational bulletin provides information to dealership personnel on enhancing field product reports with digital pictures.
16NA239
This Bulletin provides a procedure to activate/enable 4G LTE Wi-Fi Hotspot on New vehicle.
17NA110
This technical bulletin provides a procedure to Add 1 quart of coolant to the upper chamber of the surge tank in order to bring the level up to the bottom of the fill neck to correct a condition of the coolant surge tank appears low and/or a low coolant message displayed intermittently due to the fill process at the plant cannot purge all of the air from the cooling system and surge tank.
17NA386
This informational bulletin provides information for the technicians on multi-media infotainment tester (MIT), does not function properly when diagnosing infotainment complaints, which may lead to mis-diagnosis.
150603002I
This informational bulletin provides information on approved warranty part numbers for original equipment batteries
010601011J
This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
16NA356
This technical bulletin provides a procedure to clear the codes and re-evaluate the XM radio channels to correct a condition of audio muting when listening to some Sirius XM channels but if they change channels they will find others that experience normal audio. This could be due to interference from transmitting sources outside of Sirius XM?s frequency range.
17NA258
This technical bulletin provides repair information to correct a customer concern of hearing excessive wind noise from front side door glass area.
PIC6179A
This Preliminary Information communication advises the technician that vehicles with front seat Regular Production Option Codes A52, AZ3, or B3F may comment about low treble, or excessive bass from the front door speakers. This is a normal design characteristic for this seat configuration. These vehicles lack a subwoofer.
PIE0430A
This engineering informational bulletin is requesting information from the field on vehicles that have the condition of a service power steering message displayed and or a power steering fluid leak.
17NA344
This informational bulletin provides information for the technician when looking up the P/N for the 3.5 mm audio jack for the USB, to make sure and enter the VIN# to ensure the correct part is being ordered.
PI1149A
This preliminary information bulletin provides a procedure on how to check for the customer concern of a blank radio with/without audio, by checking the the wiring harness, ECU and reprograming the HMI software update, if the wiring or ECU are not the cause.
17NA142
This informational bulletin provides information on Wireless Charging Module Diagnosis and cell phone compatibility.
040730013D
This informational bulletin provides information to dealership personnel on automatic transmission shift and engine drivability concerns and/or MIL ON due to aftermarket oil bath air filter use.
16NA158
This bulletin describes the Dealer special tool loan program process.
17NA375
This informational bulletin provides a diagnostic tip for rear vision camera image that is grainy, distorted and/or pixelated
15NA082
This technical bulletin provides repair information for installing a new stabilizer shaft bracket to correct a customer concern of on a clunking noise originating from the front of the vehicle that is more predominant during turns or traveling over bumps.
PIT4250H
This Preliminary Information communication provides information to the technician about vehicles that have water or dust from the openings under the bed rails near the stake pockets. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle.
PIT4261E
This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Dealer should communicate to the customer that slight sidewall indentations are a common characteristic of radial tire construction.
PIC6315A
This Preliminary Information communication provides information to the technician about vehicles that in the radio settings some of the vehicle personalization selections within the Comfort and Convenience menu are missing at times. Technician will need to perform a scan for Diagnostic Trouble Codes. Technician will need to follow published Service Information diagnostics if there are Diagnostic Trouble Codes present. If the concern is and intermittent this Preliminary Information communication will be updated with a repair. When the personalization selections are not missing from the Comfort and Convenience menu but they are missing from other menus such as the Climate and Air Quality, Collision/Detection Systems, and Lighting menus, refer to bulletin 17-NA-086. Memory seat adjustments may not be available tech will need to perform a Memory Seat Module replacement/programming.
PIT5387E
This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection dropped, the radio station or volume changes when operating the snow plow. Please advise the customer that engineering is aware of this concern and working on this issue.
PIT5599
This Preliminary information communicates a false setting of DTCU0121 in the FVCM due to a FVCM software anomaly. Code U0121 will set and be moved to history in the FVCM with each ignition cycle.
070604019F
This technical bulletin provides repair information for repairing the IP to body harness connector to correct a customer concern for intermittent Malfunction Indicator Lamp (MIL) illuminated with Reduced Engine Power displayed and DTC P2138 set.
17NA297
This informational bulletin provides information for assisting the customer in setting the position for the memory mirror and the reverse tilt
17NA346
This informational bulletin provides a listing of the parts availability for coax repair procedures and what is needed to complete some repairs.
17337 01 (Bullet
17337 01 - Product Emission. General Motors has decided to conduct a Voluntary Emission Recall involving certain vehicles, equipped with a diesel engine. The engine control module in these vehicles may not properly diagnose a fault in the exhaust particulate matter sensor. Additionally, a subset of these vehicles, certain 2017 model year Chevrolet Silverado HD and GM Sierra HD vehicles, may in rare instances exhibit a condition in which the engine surges up to 2,800 RPM during vehicle coast or vehicle brakingProgram the engine control module, and transmission control module when applicable.
17435 (Bulletin
17435 - Service Update. Certain vehicles, equipped with BYOM2 Radio with camera ON option (RPO 5F9, IOB), may have been built with the rearview camera OFF due to an incorrect calibration received during production. When the vehicle is shifted into Reverse, there is no rear image displayed. Dealers will reprogram the radio.
PIC6315
This Preliminary Information communication provides information to the technician about vehicles that in the radio settings some of the vehicle personalization selections within the Comfort and Convenience menu are missing at times. Technician will need to perform a scan for Diagnostic Trouble Codes. Technician will need to follow published Service Information diagnostics if there are Diagnostic Trouble Codes present. If the concern is and intermittent this Preliminary Information communication will be updated with a repair. When the personalization selections are not missing from the Comfort and Convenience menu but they are missing from other menus such as the Climate and Air Quality, Collision/Detection Systems, and Lighting menus, refer to bulletin 17-NA-086. Memory seat adjustments may not be available tech will need to perform a Memory Seat Module replacement/programming.
PIT5202D
This Preliminary Information communication provides information to the technician about vehicles that are equipped with 6L80 Regular Production Option Code (MYC), 6L90 Regular Production Option Code (MYD) or 8L90 Regular Production Option Code (M5U) Automatic Transmission, now have Powertrain Grade Braking. Powertrain grade braking assists when driving on a downhill grade to help maintain desired vehicle speed by using the engine and transmission to slow the vehicle.
17337-17419 (War
17337 - Emission Recall. 17419 - Service Update. Updated instructions for warranty labor code submission.
17426 (Bulletin
17426 - Service Update. Certain vehicles, equipped with the manual shift transfer case (RPO NQG), may have a condition in which the transfer case shift linkage rod bolt torque is less than specified. Over time this bolt could loosen enough to allow the transfer case shift indicator to be inaccurate; or the bolt could fall off causing the transfer case to remain in its previous position and the shifter to be non-functional. Tighten the transfer case shift linkage rod bolt to the specified torque.
17NA267
This informational bulletin provides information for 22" accessory wheel/tire usages.
17NA351
This informational bulletin provides information for the technicians to refer to SI for additional diagnostics to correct anomaly in the ECM and TCM.
17NA350
This informational bulletin provides explanation of a normal condition of a loose fitting ball receiver in the gooseneck.
PIC3100F
This Preliminary Information communication provides information to the technician about vehicle's odometer appears to be inaccurate relative to a known distance traveled. Technician should obtain a hand-held GPS unit to test the odometer. If a hand held GPS unit is not available, the only other option is to verify the miles traveled using a surveyor's wheel or a dynamometer.
PIT5594
This Preliminary information communicates a normal DIC message after learning keys/fobs which indicates the drivers memory position.
17367 (Bulletin
17367-Customer Satisfaction. The driver?s and front passenger?s seat belt retractors in certain vehicles may have been built with different torsion bars than were used in testing the vehicles for the Government 5-Star Safety Ratings listed on the window sticker. While these vehicles comply with all applicable government safety standards, this condition may affect the Government 5-Star Safety Ratings listed on the window sticker. Dealers will replace the driver and front passenger-side seat belt retractor assemblies with assemblies containing the correct torsion bar if the customer elects to have this condition repaired.
17367 01 (Bullet
17367-01 - Customer Satisfaction. The driver?s and front passenger?s seat belt retractors in certain vehicles may have been built with different torsion bars than were used in testing the vehicles for the Government 5-Star Safety Ratings listed on the window sticker. While these vehicles comply with all applicable government safety standards, this condition may affect the Government 5-Star Safety Ratings listed on the window sticker. Dealers will replace the driver and front passenger-side seat belt retractor assemblies with assemblies containing the correct torsion bar if the customer elects to have this condition repaired.
PIP5510C
This Preliminary information communicates to the dealer technicians to refer to campaign 17337 for calibration updates for P20EE.
PIP5531
This Preliminary Information communication provides information to the technician on the steps need to diagnose and repair vehicles that may have stalling shudder and/or hard shifting into 1st gear or reverse vibration on launch (with excessive crankshaft end play). Technician will test to determine if the crank shaft end play is within specification 0.0015–0.0086 inch. If end play is found to be out of specification, remove engine and inspect for possible crankshaft thrust bearing and/or crankshaft for wear. Inspect thrust bearing for wear on one side and crankshaft on that “mating” surface. If the thrust bearing has three vertical channels worn off replace connecting rod bearings, main bearings, thrust bearing and crankshaft. If working on a Corvette the oil tank with lines and oil cooler are both required to be replaced if equipped
17337 (Bulletin
17337 - Emission Recall. General Motors has decided to conduct a Voluntary Emission Recall involving certain vehicles, equipped with a diesel engine. The engine control module in these vehicles may not properly diagnose a fault in the exhaust particulate matter sensor. Additionally, a subset of these vehicles, certain vehicles, may in rare instances exhibit a condition in which the engine surges up to 2,800 RPM during vehicle coast or vehicle braking. Dealers will program the engine control module, and transmission control module when applicable.
17367
The drivers and front passengers seat belt retractors in certain 2017 model year Chevrolet Silverado Heavy Duty (2500 and 3500 Series) and GMC Sierra Heavy Duty (2500 and 3500 Series) vehicles may have been built with different torsion bars than were used in testing the vehicles for the Government 5- Star Safety Ratings listed on the window sticker. While these vehicles comply with all applicable government safety standards, this condition may affect the Government 5-Star Safety Ratings listed on the window sticker. Correction Customers have the choice of whether to have this replacement performed. If the customer chooses to have it completed, dealers are to replace the driver and front passenger-side seat belt retractor assemblies with assemblies containing the correct torsion bar.
17367-01
The drivers and front passengers seat belt retractors in certain 2017-2018 model year Chevrolet Silverado Heavy Duty (2500 and 3500 Series) and GMC Sierra Heavy Duty (2500 and 3500 Series) vehicles may have been built with different torsion bars than were used in testing the vehicles for the Government 5-Star Safety Ratings listed on the window sticker. While these vehicles comply with all applicable government safety standards, this condition may affect the Government 5-Star Safety Ratings listed on the window sticker. Correction Customers have the choice of whether to have this replacement performed. If the customer chooses to have it completed, dealers are to replace the driver and front passenger-side seat belt retractor assemblies with assemblies containing the correct torsion bar.
17419 (Bulletin
17419-Service Update. Certain vehicles, equipped with 6.6L diesel engine (RPO L5P) and Allison transmission (RPO MW7), may have a condition in which the automatic transmission has rough upshifts. Dealers will reprogram the transmission control module (TCM).
PIT3946B
This Preliminary Information communicates an issues with the headliner sagging and how to reattachthe velcrousing Hardman Double Bubble Epoxy part number 04001.
PIT5161F
This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or on launch. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle. The bump clunk issue may be due to fuel movement in the fuel tank when not completely full. The condition is eliminated after completely filling the fuel tank.
PIT5527A
This Preliminary Information communication provides information to the technician about vehicles that show a "Take Steering" message on the Driver Information Center along with a warning chime/alert. Dealer should be advised the purpose of the message is to alert the driver that the Lane Keep Assist system has not detected active steering input from the driver (hands off the steering wheel).
PIE0436
This engineering information is requesting information from the field on vehicles that have the condition of Speaker Rattle, Speaker Crackle, Poor Sound Quality, Speaker Pop, or Speaker Distortion.
PIT5288F
This Preliminary Information communication provides information to the technician about vehicles that may have any of these concerns remote keyless entry, passive Entry and Start Inoperative, No Fob detect message on driver information center, service tire pressure system, no audio, touch screen Inoperative, Steering Wheel Controls Inoperative, Service Stabilitrak, rear power windows inoperative, rear wiper inoperative, and or a dead battery. Technician may find Diagnostic Trouble Codes B3101, B144C, C0710, C0544, U1548, U1549, U154A, U0151, U0126, U0415, U0077, U0028 and/or U0029. Technician should inspect the left instrument panel for the wire harness being pinched. Technician will need to repair the wire harness and reroute the wire harness.
PIT5551B
This Preliminary information communicatesa "Forward Collision System Reduced" message displayed on the DIC when theForward Automatic Braking has been set to the "Alert" setting. This is normal when theFAB has been set to "Alert".
17NA337
This informational bulletin provides information to the customer on the radio display "info pages" being blank and to make sure to select in the "active info pages" menu.
PI1255F
This preliminary informational bulletin contains recommendations of what needs to be done to swap/install camper outside rearview mirrors on a vehicle not originally equipped with them.
PIP5526
This Preliminary Information communication advises the technician that the Product Quality Center has a part restriction for the 8L45 and 8L90 park actuator rod. The dealer technician is advised to call the GM Product Quality Center for further assistance.
17NA331
This informational bulletin provides information to the customer about the rear camera guidelines not being present at times due to the VBM taking over the rear camera option.
PIP5395C
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have rattle or ticking noise that is louder inside the vehicle than outside. The noise may also sound like a lifter tick. If the noise is heard best at the fuel line and the sound will be real loud with a stethoscope. The fuel line will need to be replaced.
PIP5508A
This Preliminary Information communication advises the technician that the Product Quality Center has a part restriction for the T87A Transmission Control Module. The dealer technician is advised to call the GM Product Quality Center for further assistance.
PIT5386C
This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. On trucks equipped with the Back Up Alarm (RPO 8S3), the alarm will be intentionally left disconnected from the assembly plant. Technician will reroute the harness and plug it in.
PIT5570A
This Preliminary Information communication provides the technician with weight capacity for the tailgate and cargo loops in the bed.
PIC5650C
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency Identification Devices when the concern is present. Dealer should also direct their customers to the appropriate section in the Owner manuals that references that the device complies.
PIT5298B
This Preliminary Information communication provides information to the technician on installing Regular Production Option Code 9L7 Up-fitter Auxiliary Switches. Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 110. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."
PIT5544A
This Preliminary information communicates information on ahydrauilc rush type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made. The noise is most noticeable in the cab at idle, in park, with all accessories turned off.
PIT5545A
This Preliminary information communicatesContent Theft Deterrent RPO UTJ is included and only available with Remote Vehicle Start RPO BTV. If the vehicle is not equipped with Remote Vehicle Start RPO BTV the vehicle will not have Content Theft Deterrent.
PIT5588
This Preliminary information communicatesthat General Motors is working on a solution for this concern. Once a solution is available, this PI will be updated with additional details - allowing dealership personnel to contact the customer to schedule a service appointment and repair the vehicle.
PIP5468E
This Preliminary Information communication provides information to the technician about vehicles that have a check engine light on. Technician may find Diagnostic Trouble Codes P0101, P0299, P0712, P11CC, P11DC, P2002, P2463, P2627, P2A00, P2459, P22B6, P200C, P200E, P0263, P0266, P0269, P0272, P0275, P0278, P0281 and/or P0284. Technician will need to follow publish Service Information diagnostics first. If Service Information diagnostics do not isolate a root cause of the concern the technician should check for loose or leaking charged air cooler ductwork.
PIP5430B
This Preliminary Information communication advises the technician that the 6.6L Diesel engine Regular Production Option Code (L5P) E41Engine Control Module part number 12683624 will be placed on a parts restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
PIC5492F
This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D-37 history in the Vehicle Communication Interface Module or telematics communication interface control module. Engineering has determined that this code will only display in history on the scan tool and will not cause issues with OnStar system operation.
PIE0405B
This engineering informational bulletin is requesting information from the field on vehicles that have the condition of a Torque Converter Shudder.
PIP5468D
This Preliminary Information communication provides information to the technician about vehicles that have a check engine light on. Technician may find Diagnostic Trouble Codes P0101, P0299, P0712, P11CC, P11DC, P20EE, P2002, P2463, P2627, P2A00, P2459, P22B6, P200C, P200E, P0263, P0266, P0269, P0272, P0275, P0278, P0281 and/or P0284. Technician will need to follow publish Service Information diagnostics first. If Service Information diagnostics do not isolate a root cause of the concern the technician should check for loose or leaking charged air cooler ductwork.
PIP5510B
This Preliminary information communicates to the dealer technicians aprocedure to determine if the vehicle'sSCR system is healthy.
PIT5353B
This Preliminary Information communication provides information to the technician about what XM offerings are available for vehicles. A dealer or customer can access the website listed below for vehicle specific XM offerings and availability.
PIP5434A
This Preliminary Information communication advises the technician that the 6.6L Diesel Engine exchange program will be in effect for 2017 and 2018 model yearsthrough the General Motors Product Quality Center. Dealer will need to contact General Motors Product Quality Center for further assistance.
PIT5206F
This Preliminary Information communication provides information to the technician with the steps on diagnosing and repairing vehicles that may have unwanted grade braking, reduced engine power with no Driver Information Center messages “ Brake Pedal Override Feature “, transmission busy or frequent shifting up or down, and Diagnostic Trouble Codes P057B, P057C, and/or P057D may or may not be set. Technician will use this preliminary information to find the brake pedal position data parameters in the scan tool, and also to provide some additional diagnostic help. These issues may be caused by an incorrect brake pedal position sensor input to the engine control module. Technician will verify with the scan tool if the engine control module has the correct parameters for the brake pedal position sensor. If an engine control module brake pedal position sensor relearn is performed, the truck may be temporarily repaired until the intermittent wiring issue between the engine control module and brake pedal position sensor occurs again. On 2014 and newer trucks inspect and repair any damage to X115 and X119. On the 2014 and previous trucks inspect and repair any damage to X205.
PIT5232D
This Preliminary Information communication provides information to the technician the steps to diagnose and repair the concern of the display is showing 32° F (0° C) after a battery or reprogramming a module. The outside temperature will begin to update if driven above 20 mph for at least 5 minutes. If the vehicle speed drops below 20 mph, the timer will reset and the display will stop updating. Once the display starts to update it may take several more minutes of driving above 20 mph for the display to fully update. Also if the vehicle is shut off for more than 8 hours the display will update when the ignition is turned on.
PIT5359B
This Preliminary Information communication provides information to the technician about vehicles that may have a radio backlighting will stay on even after the ignition has been turned off and the key has been removed for several minutes, eventually the battery will drain. Technician may find following fuses F23DL F22DL F30DL F31DL F32DL with the ignition key in the off position to have voltage. Technician should not replace the Transfer Case Control Module. Technician will need to install a diode, part number 12112422, across the coil of the solenoid. It is important that the striped end of the diode be connected to the positive terminal of the coil and the other end of the diode be connected to ground.
PIT5533A
This Preliminary Information communication provides information to the technician about vehicles that have a creak, click, pop, and or crack type noise from the front suspension or front frame area while making tight turns. Technician will need to loosen and then re-torque the four front frame cross member nuts and bolts.
070849020M
IPC Odometer Programming Method Quick Reference Guide
140089004D
Information for Fleet Vehicles Ignition Key, Fob and Key Rings Configuration Some Customers are bundling multiple keys, fobs, and key tags together on a single crimped loop or a cable. This practice may result in unintended key rotation, and should be discontinued immediately. The information in this bulletin details the proper configurations for the ignition key, fob, key rings and key tags and applying a QR code sticker or barcode sticker to a key fob.
150089004B
Information Regarding the Differences Between Fluid Leakage and Seepage This bulletin is intended to help identify the differences between what is considered a fluid leak and what is considered seepage. Improper diagnosis may lead to unnecessary component replacement. Use the following information to determine if the condition is normal acceptable seepage or a defective component
150089005A
Essential Tools that Include Consumable Parts (U.S. Only)
150603002H
Original Equipment Batteries Part Number and ACDelco Replacement Battery Approved Warranty Part Numbers Correct battery cold cranking amperage (CCA) ratings and type are critical for proper test results when using the EL-50313. Access to the battery specification label, which contains the OEM part number and CCA rating and type, may be difficult without component removal. Refer to the table below for the original equipment ratings and part numbers used to set up a proper battery test. There has been some confusion as to the correct ACDelco battery warranty replacement. Refer to the table below for the correct battery warranty replacement. The correct ACDelco battery warranty replacement in the catalog is designated by the "Original Equipment Replacement" note in the description field.
17-NA-219
Diagnostic Tip for Malfunction Indicator Lamp (MIL) Illuminated - DTC P249D, P249E, U029D, U029E Set Some customers may comment that the MIL is illuminated. The technician may find one or more of the following DTCs set: U029D U029E P249D P249E Note: The graphic above depicts an example of a torn and missing seal. Moisture intrusion past a damaged (1) seal located in the connector for the NOx sensor wiring harness. Missing (2) seal located in the connector for the NOx sensor wiring harness. Correction If you encounter a vehicle with the above concern, perform normal diagnostics for the codes set. ⇒ If diagnostics lead to NOx sensor replacement, inspect the mating chassis electrical connector for corrosion. Clean and repair as necessary.
PI-1255F
Changing to Camper Outside Rearview Mirrors Some customers may request to have camper style mirrors installed on their vehicle. The new electrical architecture for the Silverado and Sierra has made swapping mirrors a more involved procedure than with previous models. The recommendation has been divided into three upgrades, depending on which mirrors the truck was built with (RPO DE2, DL8 or DL3). Please follow the correct RPO group below, because not all camper mirrors can be installed on all trucks. After selecting the correct RPO mirror the truck was built with, this PI will aid in determining which camper mirrors can be installed.
211813-09292017-
17357 and 17366 - Service update. General Motors has released four field actions related to a condition in which certain vehicles may have an incorrect torsion bar built into the front seat belt retractors. Vehicles in dealer new inventory were placed on stop delivery earlier this month and the field actions were released as parts become available. This message is being sent to provide a summary of the status of these field actions. Part Numbers - An issue has been reported that some of the belt kit part numbers listed in these bulletins may not be listed in EPC. This makes it difficult to identify which part number to install on the vehicle. We are quickly working to remedy this situation. Until the correction is completed, dealers should verify part number progressions utilizing their parts system resources prior to reaching out for additional assistance. We apologize for this inconvenience and hope to have it corrected soon. Service Update Bulletin 17357 - Applies to certain vehicles. The total number of U.S. vehicles involved is approximately 14,483. Dealers will replace the Monroney label. Bulletin 17357 was released to dealers on 9/6. If you have not received a replacement window label for a vehicle in dealer new inventory, please request a replacement using the process given in the bulletin. Service Update Bulletin 17366 - Applies to certain vehicles. The total number of U.S. vehicles involved is approximately 345. Dealers will replace seat belt retractors in first row driver and passenger position with correct parts. Bulletin 17366 was released to dealers on 9/22. The parts pre-ship has completed and dealers should begin receiving parts now.
PIT5236K
This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D stored in Telematics Communication Interface Control Module. Technician will use Global Diagnostic System 2 to review the Firmware Over-the-Air version. If the Firmware Over-the-Air version on the scan tool equals 6708 the technician will need to contact General Motors Technical Assistance Center for further assistance. If the Firmware Over-the-Air version on the scan tool is lower than 6708 Dealer can order the part thought the Instrument Sales and Service website process.
PIP5522A
This Preliminary information communicatesA vehicle may have a concern of engine noise and/or a misfire. This may be caused by a broken rocker arm.Abroken rocker arms that could result in the valve dropping to the cylinder, causing a catastrophic failure and the engine requires replacement due to cylinder head and block damage. If a broken rocker arm is found check to see if the valve dropped into the cylinder if so the engine will need to be replaced.On occasions the valve will not drop, reinstall any valve keepers and replace all the intake rocker arms.
PIT5251C
This Preliminary Information communication provides information to the technician about vehicles that may have an EZ Lift and Lower tailgate opens too quickly. Technician will ensure nothing was added to the tailgate. If the tailgate opens within approximately 2-6 seconds, no repairs should be made. Technician should inspect the right tailgate bushing if the tailgate opens too quickly.
PIT5445B
This Preliminary Information communication provides information to the technician of additional information when diagnosing a service driver assist message with a diagnostic trouble code B172E and or a B172F. The haptic seat motor has a pigtail lead coming off of it. In many cases the wiring pigtail near the haptic seat motor has broken and will require replacement.
PIT5521A
This preliminary information communicates a Diagnostic Tip for a Service Trailer Brake Message with DTC C111B C1112 C1113 C1114 advising to address any battery issues first before any in depth diagnostics are done.
17366-09222017
17366 Service Update. The driver?s and front passenger?s seat belt retractors in certain vehicles may have been built with different torsion bars than were used in testing the vehicles. Dealers will replace seat belt retractors for driver and front passenger seating locations.
030603004V
This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.
PIT4745D
This Preliminary Information communication provides information to the technician about vehicles that have raised dents or ripple appearance in the side outer panel of the cargo box around the perimeter of the wheel house opening. Technician should first access the rear of the inner wheelhouse area through the tail lamp cavity and the front of the wheelhouse from under the vehicle, and coat the inner hem of the wheel house to side outer panel with 3M Rust Fighter I. After allowing the 3M Rust Fighter I to dry then apply several coats of Nox Rust X-121B undercoating.
PIT5074K
This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking tension or probing the .64 series terminals. The test probe terminal has been released in the terminal repair kit (J-38125-620H) located in Lear Tray 7 part number 963716-2. There are 5 terminated leads in a package part number is 13505346, which can be ordered through your normal General Motors Customer Care and Aftersales parts channel.
PIT5350A
This Preliminary Information communication advises the technician that there have been some reports that the current engine hours are not correct and display 0.0. Technician will need to program the Instrument Panel Cluster using Service Programming System.
17366-09192017
17366 Stop Delivery Population Revision. On September 14, 2017, GM ordered a stop delivery of certain vehicles. Some vehicles have been removed from this stop delivery order because they were repaired at the plant, or had been sold prior to the stop delivery and identified as such after systems refreshed. The revised list provides the Vehicle Identification Number (VIN) of all involved vehicles in dealer new inventory. Until further instructions are received, involved vehicles that are in dealers? possession (new vehicle inventory) must be held and not delivered to customers, dealer-traded, released to auction, used for demonstration purposes, or any other dealer use. All GM Certified Used vehicles currently in the dealers? inventory within the Certified Pre-Owned Inventory System (CPOIS) will be de-certified. Instructions for releasing the involved vehicles from this stop delivery will be provided in the near future.
PIP5151D
This Preliminary Information communication provides information to the technician about vehicles that may have a hard start, no start, rough running, or low fuel pressure. Technician may find Diagnostic Trouble Codes P0087, P0088, P0191 and P128E during the inspection. If during the inspection of the fuel system contamination is found the complete fuel system will need to be cleaned and flushed. After the fuel system is cleaned out test the fuel using the latest version of PIT3173.
PIP5481A
This Preliminary Information communication provides information to the technician about vehicles that have a check engine light on. Technician may find Diagnostic Trouble Code P026A. The owner's manual advises not to drive above 45 MPH with a snowplow installed. However, GM Engineering is aware of the concern and is investigating.
PIT5403D
This Preliminary Information communication provides information to the technician with the steps to diagnosis and repair vehicles with various handling, vehicle dynamics concerns, noises from the suspension or underbody, or issues related to damaged suspension components. Before any in-depth diagnostics are performed, be aware that various issues could occur if the vehicle has been modified and inform the customer the conditions noted may not be covered under warranty. Technician will inspect for installed aftermarket suspension components. Also inspect for improperly adjusted torsion bars.
PIT4322H
This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Technician may find a Diagnostic Trouble Code C0710. Technician should inspect for vehicles modifications before any in-depth diagnostics are performed.
PIT5241E
This Preliminary Information communication provides information to the technician about customers that may request the factory Integrated Trailer Brake Controller Regular Production Option Code (JL1) be installed on their Full-Size Pickup or SUV when the vehicle was not ordered with the option. Dealer should advise the customer it cannot be added to the vehicle.
040601029I
This informational bulletin explains the importance of maintaining the vehicle.
100089005G
This warranty admin bulletin explains to the technician additional information may be needed when submitting transactions when doing wiring repairs.
17366
17366 Stop Delivery. Effective immediately, stop the delivery of certain vehicles in new vehicle inventory. The GM field action number is 17366. The driver?s and front passenger?s seat belt retractors in these vehicles may have been built with different torsion bars than were used in testing the vehicles. Until further instructions are received, involved vehicles that are in dealers? possession must be held and not delivered to customers, dealer-traded, released to auction, used for demonstration purposes or any other dealer use. Until the recall bulletin is released, the Investigate Vehicle History (IVH) screen in the Global Warranty Management (GWM) system will display "N/A" under Release Date and "Incomplete ? Remedy not yet available" under Status. This means the required repair is not yet available and dealers should not attempt to perform any repairs. We are working with the supplier to obtain the required parts as quickly as possible. We are working with the supplier to obtain the required parts as quickly as possible. When a sufficient quantity of parts are available, the recall bulletin will be released and dealers can begin repairing vehicles.
2118130-09142017
N172118130 Stop Delivery population revision. On September 1, 2017, GM ordered a stop delivery of certain vehicles in new vehicle inventory. Additional vehicles have been added and some vehicles have been removed from this stop delivery order. The revised list provides the Vehicle Identification Number (VIN) of all involved vehicles in dealer new inventory. Important: This revision 03 was necessary because some vehicles were discovered in the list that should have been transferred to the population of SUB 17357. The involved vehicles have now been transferred to SUB 17357. In addition to the attached revised list, you may reference the Investigate Vehicle History (IVH) screen in the GWM system.Until further instructions are received, involved vehicles that are in dealers? possession (new vehicle inventory) must be held and not delivered to customers, dealer-traded, released to auction, used for demonstration purposes or any other dealer use. Instructions for releasing the involved vehicles from this stop delivery will be provided in the near future.
000601012H
This informational bulletin advises the possible issues that may occur using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts.
060309004J
This technical bulletin provides a procedure to apply grease to the leaf springs to correct a condition of a squeak noise from the metals making contact.
2118130
N172118130 Stop Delivery population revision. On September 1, 2017, GM ordered a stop delivery of certain vehicles in new vehicle inventory. Additional vehicles have been added to this stop delivery order. The revised list provides the Vehicle Identification Number (VIN) of all involved vehicles in dealer new inventory. Until further instructions are received, involved vehicles that are in dealers? possession (new vehicle inventory) must be held and not delivered to customers, dealer-traded, released to auction, used for demonstration purposes or any other dealer use. Instructions for releasing the involved vehicles from this stop delivery will be provided in phases in the near future.
PIT5389E
This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Technician will need to call General Motors Technical Assistance Center with the scan tool data from the OnStar system.
100605002E
This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared Message Displayed on DIC, DTC P2463 May Be Set.
120851002G
This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures.
150603002G
This informational bulletin provides information on approved warranty part numbers for original equipment batteries
16NA377
This informational bulletin provides information on a Service Emission System Message and/or a Malfunction Indicator Lamp illuminated. This usually occurs after recently filling the DEF tank with the ignition in the on position due to some DEF fill equipment uses pumps that create a high level of temporary aeration of the DEF fluid being dispensed in the tank.
17NA100
This informational bulletin explains to the technician how to validate software calibrations have been tampered with by means of using aftermarket mods.
211813-09062017
N172118130 Stop Delivery. On September 1, 2017, GM ordered a stop delivery of certain vehicles in new vehicle inventory. Additional vehicles have been added to this stop delivery order. Until further instructions are received, involved vehicles that are in dealers? possession (new vehicle inventory) must be held and not delivered to customers, dealer-traded, released to auction, used for demonstration purposes or any other dealer use. Instructions for releasing the involved vehicles from this stop delivery will be provided in phases in the near future.
PIP5370B
This Preliminary Information communication provides information to the technician that some vehicle may have an “ Exhaust Fluid Quality Poor ” on the Driver Information Center or a diesel exhaust fluid warning lamp on or other exhaust fluid quality related concerns. Technician will inspect the diesel exhaust fluid for contamination. Technician should use Service Information for Contaminants in Diesel Exhaust Fluid Diagnosis and use special tool J26568 or EN50422 Diesel Exhaust Fluid Refractometer for fluid testing.
PIP5487A
This Preliminary Information communication advises the technician on the steps to diagnosing the concern and the repair. Customer has Warning Lamps and/Or coolant leaks present.
PIT3099Q
This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts/kits. Technicians should refer to Service Information for information regarding most accessories. Technicians may also contact Partech and/or the Techline Customer Support Center for additional support.
030604017L
This Informational Bulletin provides information on availability of Diesel Fuel additives.
070601016D
This informational bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.
211813
N172118130 Stop Delivery. Effective immediately, stop the delivery of certain vehicles in new vehicle inventory. We are investigating an issue relating to the accuracy of the New Car Assessment Program (NCAP) ratings on the Monroney label for these vehicles. Until further instructions are received, involved vehicles that are in dealers? possession (new vehicle inventory) must be held and not delivered to customers, dealer-traded, released to auction, used for demonstration purposes or any other dealer use. We are working to finalize the investigation as quickly as possible. When the investigation is complete, further instructions will be released.
00-06-01-026J
This informational bulletin provides information on Intake Manifold Inspection/Replacement After Severe Internal Engine Damage.
16-NA-372
This informational bulletin provides information on common diesel engine tick noises and how they are considered part of normal operation and no parts should be replaced for these conditions.
16-NA-380
This Technical bulletin provides a procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe.
17-NA-253
This informational bulletin provides information for specification with the engine oil for the Duramax 6.6L engine.
PIE0430
This engineering informational bulletin is requesting information from the field on vehicles that have the condition of a service power steering message displayed and or a power steering fluid leak.
13-08-116-001C
The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
PIP5489A
This Preliminary information communicates to dealer technicians that snow and ice build up is possible if the air filter box is not properly sealed. Aftermarket bumpers may also allow water intrusion.
PIC6296A
This Preliminary Information communication provides information to the technician that when scanning a vehicle for Diagnostic Trouble Codes, may find a temporary loss of Human Machine Interface communication with Global Diagnostic System 2. Technician should not replace the Human Machine Interface for this concern, power cycling of the Human Machine Interface fuse should restore communication. Technician should be advised that the Human Machine Interface and Global Diagnostic System 2 interaction concern has been reported to engineering for root cause and correction.
PIP4912F
This Preliminary Information communication provides information to the technician on vehicles that may have an intermittent high idle. If a technician has duplicated, or the customer description aligns with the speeds mentioned in the idle speed description tables, the idle speed should be considered a normal characteristic of current vehicle design.
PIT5584
This Preliminary information communicates how to align the tailgate to bedside by removing High Desert bed liner and cargo box trim to access the cargo box stowage bracket to elongate the holes to provide adjustment.
PIP5510A
This Preliminary information communicates to the dealer technicians aprocedure to determine if the vehicle'sSCR system is healthy.
17309
17309 - Service Update. On certain vehicles equipped with a Duramax diesel engine (RPO L5P), DTC P2002 may be disabled causing a cracked or inoperative diesel particulate filter to go undetected. The customer may see black smoke exiting the tail pipe.Dealers are to reprogram the engine control module.
99-08-51-001D
Thins informational bulletin provides information on Paint-less Dent Repair Process.
PIP5468C
This Preliminary Information communication provides information to the technician about vehicles that have a check engine light on. Technician may find Diagnostic Trouble Codes P0101, P0299, P0712, P11CC, P11DC, P20EE, P2002, P2463, P2627, P2A00, P2459, P22B6, P200C, P200E, P0263, P0266, P0269, P0272, P0275, P0278, P0281 and/or P0284. Technician will need to follow publish Service Information diagnostics first. If Service Information diagnostics do not isolate a root cause of the concern the technician should check for loose or leaking charged air cooler ductwork.
03-08-46-004T
This informational bulletin provides information on OnStar® VCIM is currently restricted parts. By working closely with our dealers and technicians, through the part restriction process, the General Motors team will gain a better understanding of any field concerns that may develop.
17-NA-269
This informational bulletin provides information on new software to correct the rear camera display being to bright.
PIT5411H
This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, display, and Media Disc Players are placed on restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
PIP5163C
This Preliminary Information communication provides information to the technician about engine block of possible cylinder bore damage, scoring or out of round as the possible cause of engine oil consumption, misfire, cylinder leakage or blow by. Technician will need to inspect the engine for Cylinder damage or scoring, An out of round cylinder bore, Dirt intrusion, and Catalytic Converter failure.
PIC6302
The PI was created to advise of an engineering investigation for a concern of unable to connect toOnStar Virtual Advisor when selecting "New Destination" in the OnStar menu.
PIP5427A
This Preliminary Information communication provides information to the technician about vehicle that may have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P2635, U0074 and or U18A2. Technician will need to follow published diagnostics for Diagnostic Trouble Codes U0074 would take priority over U18A2 if both set before addressing DTC P2635.
17-NA-227
This informational Bulletin provides some Diagnostic Tips for preventing unnecessary HV Battery Pack replacement.
PIP5248D
This Preliminary Information communication provides information to the technician on the steps need to diagnose and repair vehicles that may have stalling shudder and/or hard shifting into 1st gear or reverse vibration on launch (with excessive crankshaft end play). Technician will test to determine if the crank shaft end play is within specification 0.0015–0.0086 inch. If end play is found to be out of specification, remove engine and inspect for possible crankshaft thrust bearing and/or crankshaft for wear. Inspect thrust bearing for wear on one side and crankshaft on that “mating” surface. If the thrust bearing has three vertical channels worn off replace connecting rod bearings, main bearings, thrust bearing and crankshaft. If working on a Corvette the oil tank with lines and oil cooler are both required to be replaced if equipped.
17-NA-213
This informational bulletin provides information for the service parts identification (SPID) label replacement.
PIC5932B
This Preliminary Information communication provides information to the technician about customers that may complain of various concerns when using Bluetooth components. Technician should use the Preliminary Information to gather information from the customer on their Bluetooth device and the concern they are having before calling General Motors Technical Assistance Center.
04-00-89-015Q
This warranty administration bulletin provide policy information on required operating procedures.
16-NA-111
This technical bulletin provides a procedure to perform diagnosis before just replacing the battery sensor module.
PIP5212A
This Preliminary Information communication provides information to the technician about vehicles that have run hot and or has a tick noise. Technician should inspect the head gaskets to ensure are not installed backwards. Technician should replace the head gasket if they are found installed backwards.
08-08-44-029H
This warranty administration bulletin provide policy information on warranty and policy exchange program for electronic products for U.S. and Canada dealers only.
PIC6296
This Preliminary Information communication provides information to the technician that when scanning a vehicle for Diagnostic Trouble Codes, may find a temporary loss of Human Machine Interface communication with Global Diagnostic System 2. Technician should not replace the Human Machine Interface for this concern, power cycling of the Human Machine Interface fuse should restore communication. Technician should be advised that the Human Machine Interface and Global Diagnostic System 2 interaction concern has been reported to engineering for root cause and correction.
17-NA-250
This informational bulletin provides information on where to find the template to install the accessory emblem that comes in the vehicle at delivery.
04-00-89-015P
This warranty administration bulletin provide policy information on required operating procedures.
17-NA-244
This informational bulletin provides information on Information on How to Prevent Inadvertent Vehicle Starting from Key Fob or OnStar Mobile Application and where to locate the information for future use.
17-NA-242
This informational bulletin provides to the tech the new version of SPS that will prompt warnings when trying to reprogram modules that have been already reprogrammed.
17-NA-230
This informational bulletin provides information on mcgard wheel locks and if the key ever fractures that they will replace it via the website provided.
PIC5588D
This Preliminary Information communication provides information to the technician on the programming and activation of the OnStar system. For many 2008 and prior model year GM vehicles, the programming is performed using the Tech 2 and the activation is initiated by a Service Programming System. For the 2010 and UP model year vehicles, the OnStar set-up procedure and OnStar Activation request have been combined into a single programming event called OnStar Set-up and Activation in Service Programming System.
00-03-10-002K
This informational bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels.
PI1410B
This preliminary informational bulletin provides information regarding the normal characteristic of instrument panel red brake light intermittently comes on.
00-06-01-012G
This informational bulletin advises the possible issues that may occur using a scotch brite pad or highly abrasive disk on engine surfaces.
05-00-89-029D
This informational bulletin provides information on General Motors Dealership Critical Equipment Requirements and Recommendations.
17-NA-163
This informational bulletin provides information for dealers/technicians on the availability of a new spring replacement tonneau latch to replace an original quarter turn latch that has broken.
PI0020E
This preliminary informational bulletin provides technicians with information on the normal condition of white, milky or cloudy appearance of front differential fluid.
03-00-89-006N
This informational bulletin provides the dealership with how to prep a vehicle for delivery to the customer to aid in higher CSi scores.
04-00-89-015O
This warranty administration bulletin provide policy information on required operating procedures.
99-04-20-002J
This informational bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operations.
PI0671A
This preliminary information bulletin provides information for diagnosing a power steering fluid leak at the fluid reservoir.
17-NA-067
This informational bulletin provides information on On rare occasions, a security code input message with SPS error code E5659, M5304, and/or M5530 may be displayed in TIS2web when the technician is programming any module. If this concern is encountered, the technician should start by ensuring that the module being programmed is not a used module and that the VIN matches on VIN plate, TIS2web programming screen, and GDS2 module identification information screen.
06-08-47-001M
This information bulletin explains the labor operation numbers used for submitting warranty claims and how to setup, and reprogram modules.
PIP4828A
Power On Acceleration After Cold Start.
Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.