Vehicle report

2019 CHEVROLET SILVERADO 4500

Service bulletins

638 bulletins

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

Service Bulletin/Repair Instructions

This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.

N252516700-01

Service Campaign

The Battery Energy Control Module (BECM) in certain vehicles include battery-monitoring software. An update is available for this software that improves the BECM’s ability to detect moisture inside the RESS enclosure. Dealers are to reprogram the BECM with the updated software.

PIT5099J

Service Bulletin/Repair Instructions

PI to help diagnose A/C concern

PIP6108

Service Bulletin/Repair Instructions

This PI instructs technicians to inspect the ground plane on MD Silverado vehicles with DTC P251A

PIT3271Q

Service Bulletin/Repair Instructions

This preliminary information communicates information about how to determine if a wheel and tires size change is available.

PIP4902V

Service Bulletin/Repair Instructions

This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.

PIP6104

Service Bulletin/Repair Instructions

This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical Assistance Case in CX Connect.

PIT6425D

Service Bulletin/Repair Instructions

This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC'ss

PIT6480

Service Bulletin/Repair Instructions

This preliminary information communicates an issue with how to repair a brake fluid leak at the B356 Brake Pipe Pressure Switch connector.

PIT6425C

Service Bulletin/Repair Instructions

This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's

PIP4902U

Service Bulletin/Repair Instructions

This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.

PIT5214G

Service Bulletin/Repair Instructions

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.

PIT6425B

Service Bulletin/Repair Instructions

This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's

PIT6425A

Service Bulletin/Repair Instructions

This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's

PIT6145A

Service Bulletin/Repair Instructions

This Preliminary information communicates information to verify if the vehicle frame has been lengthened or shorted as a result of the vehicle upfit. Dealer to refer to GM Upfitter bulletin 185 if frame has been modified.

13598

Other

New Vehicle Monitoring Programs Section in IVH

PIP4902T

Service Bulletin/Repair Instructions

This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.

PIC5650M

Service Bulletin/Repair Instructions

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.

PIT5691E

Service Bulletin/Repair Instructions

This Preliminary information communicates the need to Reference the latest version of GM Upfitter Integration Bulletin 149 for deleting the front or rear fuel tank of a chassis cab truck with RPO NSQ dual fuel tanks.

N252494770

Service Campaign

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.

PIT6180A

Service Bulletin/Repair Instructions

This Preliminary information communicates assistance in locating the Rear seat belt comfort guides in the parts catalog.

PIP4902S

Service Bulletin/Repair Instructions

This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.

25-NA-156

Service Bulletin/Repair Instructions

This service bulletin provides information on Tire Sidewall Irregularities.

00-06-01-026R

Service Bulletin/Repair Instructions

This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.

PIT5074R

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This preliminary informational (PI) bulletin provides information to dealership personnel that may be helpful when addressing underbody component corrosion with customers.

07-00-89-037W

Service Bulletin/Repair Instructions

This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.

13-08-116-001K

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This warranty administration bulletin provides information regarding the field action courtesy transportation policy.

05-03-07-009L

Service Bulletin/Repair Instructions

This service bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles.

11-00-89-005Y

Service Bulletin/Repair Instructions

This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).

05-08-51-001L

Service Bulletin/Repair Instructions

This informational bulletin provides a procedure on how to remove the paint stain that may present itself under the shipping film.

16-NA-109

Service Bulletin/Repair Instructions

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.

07-00-89-037V

Service Bulletin/Repair Instructions

This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.

25-NA-019

Service Bulletin/Repair Instructions

This bulletin advises the tech to check other areas that may need repair before replacing the wheel speed sensor.

10-08-110-001L

Service Bulletin/Repair Instructions

This service bulletin provides information on proper use of floor mats.

21-NA-043

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This warranty administration service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.

21-NA-135

Service Bulletin/Repair Instructions

This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content.

01-08-42-001Q

Service Bulletin/Repair Instructions

This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement Guidelines.

09-06-04-026Z

Service Bulletin/Repair Instructions

This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.

20-NA-132

Service Bulletin/Repair Instructions

This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.

07-00-89-037U

Service Bulletin/Repair Instructions

This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.

18-NA-263

Service Bulletin/Repair Instructions

This warranty administration bulletin provide policy information for variable diagnostic time allowances on select labor operations (U.S. Only).

16-NA-376

Service Bulletin/Repair Instructions

This informational bulletin provides information on higher than expected oil consumption.

PIT5962B

Service Bulletin/Repair Instructions

This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses.

PIT6261

Service Bulletin/Repair Instructions

This Preliminary information communicates to dealers GM is working on a solution for outdated Apps

08-07-30-035I

Service Bulletin/Repair Instructions

This service bulletin provides information on the harmful effects of ethylene glycol in transmission fluid.

17-NA-374

Service Bulletin/Repair Instructions

This informational bulletin advises the technician of how the Soot information has changed from grams to percentage.

19-NA-219

Service Bulletin/Repair Instructions

This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft issue.

04-06-01-029K

Service Bulletin/Repair Instructions

This informational bulletin explains Unscheduled Supplemental Services and the importance of GM Simplified Maintenance Schedules.

PIT6240

Service Bulletin/Repair Instructions

This Preliminary information communicates information on adding RPO UF3 Fast Idle to a vehicle.

24-NA-040

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This service bulletin provides information on key code security rules and information on GM keycode look-up applications (U.S).

01-06-01-011Q

Service Bulletin/Repair Instructions

This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.

99-00-89-019Z

Service Bulletin/Repair Instructions

This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program.

07-00-89-037T

Service Bulletin/Repair Instructions

This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.

21-NA-270

Service Bulletin/Repair Instructions

This informational bulletin provides information for dealers/technicians on Vibration Caused by Tires.

23-NA-154

Service Bulletin/Repair Instructions

This bulletin provides information on Warranty Administration – Required Operating Procedures - 8 Points (U.S. Only).

04-06-04-051J

Service Bulletin/Repair Instructions

This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.

23-NA-219

Service Bulletin/Repair Instructions

This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories.

20-NA-138

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only).

07-00-89-036K

Service Bulletin/Repair Instructions

This service bulletin provides information on Enhancing Field Product Reports with Digital Pictures.

02-00-89-002X

Service Bulletin/Repair Instructions

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).

PIT3271P

Service Bulletin/Repair Instructions

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.

PIT5894C

Service Bulletin/Repair Instructions

This Preliminary information communicates   Some customers may comment on a vibration while driving. The cause of the condition may be that the wheel and tire assemblies require Road Force balance.  Please open a Tac case and provide the following information.  Check the valve stems are they pointing at each other (lined up)? What wheels is the vehicle equipped with steel or Aluminum?  What brand are the tires goodyear or Continental’s? Then follow bulletin 21-NA-270 for repair information

24-NA-174

Service Bulletin/Repair Instructions

The bulletin provides direction on how to locate the Temporary Service Part (TSP) form in GlobalConnect.

General Communication

Service Campaign

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

Service Bulletin/Repair Instructions

This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak.

18-NA-073

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This service bulletin provides information on AGM batteries that require less frequent charging in storage.

PIP5945A

Service Bulletin/Repair Instructions

This Preliminary information communicates how to inspect and verify propeller shaft phasing concerns on Medium Duty Silverados

PIT5691D

Service Bulletin/Repair Instructions

This Preliminary information communicates the need to Reference the latest version of GM Upfitter Integration Bulletin 149 for deleting the front or rear fuel tank of a chassis cab truck with RPO NSQ dual fuel tanks.

18-NA-150

Service Bulletin/Repair Instructions

This service bulletin provides information on 6.6L Duramax Possible Oil Leak Path Information.

19-NA-237

Service Bulletin/Repair Instructions

This service bulletin explains how to identify possible DEF system contamination.

01-00-89-010S

Service Bulletin/Repair Instructions

This service bulletin provides information on a guide to help reduce repeat visits for the same customer concern.

16-NA-244

Service Bulletin/Repair Instructions

This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the DEF system.

16-NA-372

Service Bulletin/Repair Instructions

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.

16-NA-380

Service Bulletin/Repair Instructions

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.

18-NA-098

Service Bulletin/Repair Instructions

This informational bulletin provides information for the technicians on where to look on the Duramax engine for coolant leaks.

07-06-01-016J

Service Bulletin/Repair Instructions

This service bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.

23-NA-141

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.

09-06-04-026Y

Service Bulletin/Repair Instructions

This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.

01-06-01-011P

Service Bulletin/Repair Instructions

This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.

18-NA-103

Service Bulletin/Repair Instructions

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.

18-NA-306

Service Bulletin/Repair Instructions

This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA).

20-NA-090

Service Bulletin/Repair Instructions

This informational bulletin provides a way for the technician to identify if the ECM has been modified.

20-NA-082

Service Bulletin/Repair Instructions

This informational bulletin explains why more DEF is being used in diesel engines due to new emission standards.

PI0754G

Service Bulletin/Repair Instructions

This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic.

16-NA-158

Service Bulletin/Repair Instructions

This service bulletin describes the U.S. Dealer Special Tool Loan Program process.

12-01-37-001G

Service Bulletin/Repair Instructions

This service bulletin provides information to dealership personnel on a new refrigerant (R1234yf) for A/C service.

24-NA-141

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This service bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels.

17-NA-157

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This informational bulletin explains how the regen works for the DEF system and how it works at different levels.

99-04-20-002O

Service Bulletin/Repair Instructions

This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operation.

04-06-04-051I

Service Bulletin/Repair Instructions

This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.

16-NA-383

Service Bulletin/Repair Instructions

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.

24-NA-115

Service Bulletin/Repair Instructions

Information on Low Beam Headlamp Bulb Diagnosis/Replacement (Inspect Bulb and Connector).

22-NA-070

Service Bulletin/Repair Instructions

This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part replacements.

18-NA-099

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This service bulletin provides information for engine oil life monitor operation calculation.

21-NA-068

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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.

24-NA-087

Service Bulletin/Repair Instructions

This bulletin provides a procedure to update the TCCM to correct a customer concern of Unable to Shift into 4WD and/or 4WD Inoperative - DTC P0606 Set.

08-07-30-035H

Service Bulletin/Repair Instructions

This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.

16-NA-119

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This service bulletin provides information for cleaning brake dust off of aluminum or chrome wheels.

18-NA-361

Service Bulletin/Repair Instructions

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.

22-NA-106

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This service bulletin provides information on proper use of floor mats.

13-08-116-001J

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This service bulletin provides information for dealers/technicians on Over The Air (OTA) and In Market Enhancement (IME) FAQs.

00-03-10-006P

Service Bulletin/Repair Instructions

This service bulletin provides information for dealers/technicians on Tire Radial Force Variation (RFV).

17-NA-052

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.

PIT6145

Service Bulletin/Repair Instructions

This Preliminary information communicates information to verify if the vehicle frame has been lengthened or shorted as a result of the vehicle upfit.  Dealer to refer to GM Upfitter bulletin 171 if frame has been modified.

PIT6141

Service Bulletin/Repair Instructions

This Preliminary information communicates information on where to install check ball and cap if it separates from the brake booster pump motor.

23-NA-103

Service Bulletin/Repair Instructions

This service bulletin provides information on submitting quality Photos of Various Vehicle Concerns to the GM Technical Assistance Center (TAC).

23-NA-052

Service Bulletin/Repair Instructions

This informational bulletin provides a comparison sheet for the techs to aid while performing a transfer case teardown, if its cost efficient to repair or replace the t-case.

07-00-89-037S

Service Bulletin/Repair Instructions

This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.

11-00-89-005X

Service Bulletin/Repair Instructions

This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).

PIT5838B

Service Bulletin/Repair Instructions

This Preliminary information communicates A vehicle may have a concern of a brake noise or moan may be heard at the beginning of drive-off from a complete stop, This concern may be considered normal .

PIT5937A

Service Bulletin/Repair Instructions

This Preliminary information communicates an issue with an ABS MIL and DTC setting for the wheel speed sensors. Dealership are to inspect the wheel speed sensor air gap, wiring and connections as instructed.

19-NA-044

Service Bulletin/Repair Instructions

This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.

PIP5935B

Service Bulletin/Repair Instructions

Communicates the need for restriction on 2019 through 2023 6.6L L5D engines

PI0281K

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This informational bulletin provides information for dealers/technicians on Headlamp, Tail Lamp, License Lamp or Fog/Driving Lamp Damage.

PI1394B

Service Bulletin/Repair Instructions

This PI bulletin advises the technician on the proper way to install the pistons in an engine.

PI0592I

Service Bulletin/Repair Instructions

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).

PIT5962A

Service Bulletin/Repair Instructions

This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses.

PIT5359D

Service Bulletin/Repair Instructions

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.

23-NA-212

Service Bulletin/Repair Instructions

This service bulletin provides information on the use of the Engine Oil Life Monitor on L5D Diesel Engines.

03-00-91-001I

Service Bulletin/Repair Instructions

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.

PIP5935A

Service Bulletin/Repair Instructions

Communicates the need for restriction on 2019 through 2023 6.6L L5D engines

22-NA-167

Service Bulletin/Repair Instructions

This informational bulletin provides information on Light and Medium Duty Truck Product Identification and Warranty Summary Chevrolet/GMC Dealers.

20-NA-159

Service Bulletin/Repair Instructions

This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).

PIP5945

Service Bulletin/Repair Instructions

This Preliminary information communicates how to inspect and verify propeller shaft phasing concerns on Medium Duty Silverado's

23-NA-065

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This service bulletin provides information on General Motors Dealership Critical Equipment Requirements and Recommendations.

01-06-01-011O

Service Bulletin/Repair Instructions

This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.

17-NA-170

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program.

02-00-89-002W

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This service bulletin provides information for dealers on how to submit a product information report (PIR) (Canada Only).

07-08-49-020R

Service Bulletin/Repair Instructions

This informational bulletin provides information for the IPC odometer programming method quick reference guide.

09-00-89-016H

Service Bulletin/Repair Instructions

This Warranty Administration bulletin provides information on the proper use of the labor operation 0600014.

20-NA-116

Service Bulletin/Repair Instructions

This informational bulletin provides information on Available Top Speed Changes and how to reach them.

15-00-89-004F

Service Bulletin/Repair Instructions

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.

10-06-05-002M

Service Bulletin/Repair Instructions

This informational bulletin provides information on Clean Exhaust Filter See Owner Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set.

01-00-89-010R

Service Bulletin/Repair Instructions

This service bulletin provides information on a guide to help reduce repeat visits for the same customer concern.

04-06-04-051H

Service Bulletin/Repair Instructions

This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.

PIP5853E

Service Bulletin/Repair Instructions

This PI communicates to dealers and technicians a Possible low voltage or poor ground to the TCCM.

09-06-04-026X

Service Bulletin/Repair Instructions

This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.

17-NA-066

Service Bulletin/Repair Instructions

This service bulletin provides information for automatic transmission Oil Cooler Flush and flow test.

23-NA-027

Service Bulletin/Repair Instructions

This technical bulletin provides a procedure to test and replace the high-pressure fuel injector electrical connectors if found the cause of the MIL.

21-NA-026

Service Bulletin/Repair Instructions

This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats warped or misshapen.

99-09-40-005I

Service Bulletin/Repair Instructions

This service bulletin provides information on availability for a seat belt extender.

01-06-01-011N

Service Bulletin/Repair Instructions

This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.

99-08-51-001F

Service Bulletin/Repair Instructions

This service bulletin provides information on Paintless Dent Repair Process.

13-08-116-001I

Service Bulletin/Repair Instructions

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.

20-NA-182

Service Bulletin/Repair Instructions

This service bulletin provides a procedure to replace the brake line pressure switch to correct a customer concern of a brake booster pump motor that runs at all times even after the ignition is turned off.

04-07-30-013E

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This service bulletin provides information for dealers/technicians on Vibration Shortly After Tires are Mounted/Preventing Vibration from Wheel Slip (Tire Sliding on Wheel).

PIP5853D

Service Bulletin/Repair Instructions

This PI communicates to dealers and technicians a Possible low voltage or poor ground to the TCCM.

PIP5922

Service Bulletin/Repair Instructions

This Preliminary information communicates the information that needs to be provided to a servicing Allsion transmission dealer for correct diagnostics and repairs

01-08-42-001P

Service Bulletin/Repair Instructions

This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement Guidelines.

11-00-89-005W

Service Bulletin/Repair Instructions

This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).

12-03-10-001D

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This bulletin provides information on Warranty Administration – Required Operating Procedures - 8 Points (U.S. Only).

08-07-30-035G

Service Bulletin/Repair Instructions

This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.

10-08-110-001J

Service Bulletin/Repair Instructions

This service bulletin provides information on proper use of floor mats.

11-00-89-005V

Service Bulletin/Repair Instructions

This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).

N222374570

Service Bulletin/Repair Instructions

Customer Satisfaction Program - Certain vehicles may have incorrect instructions in the Owner Manual regarding the front spring U-bolt Service torque specification. Dealers will print and insert the revised Owner Manual page(s) for all vehicles. On certain vehicles, dealers will verify the front spring u-bolt torque and, if necessary, replace the front spring u-bolt and nuts.

PIP5853C

Service Bulletin/Repair Instructions

This PI communicates to dealers and technicians a possible diode issue in the TCCM, and how to properly diagnose for a diode issue.

PI0281J

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This service bulletin provides information on availability of Diesel Fuel additives.

00-06-01-012M

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.

22-NA-009

Service Bulletin/Repair Instructions

This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin-On Oil Filters.

07-06-01-016I

Service Bulletin/Repair Instructions

This service bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.

10-06-05-002L

Service Bulletin/Repair Instructions

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.

15-NA-017

Service Bulletin/Repair Instructions

This Warranty Administration bulletin provides policy information on Causal Part requirements for transactions submitted to GM for payment.

PI0754F

Service Bulletin/Repair Instructions

This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic.

99-04-20-002N

Service Bulletin/Repair Instructions

This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operation.

PIT5691C

Service Bulletin/Repair Instructions

This Preliminary information communicates the need to Reference the latest version of GM Upfitter Integration Bulletin 149 for deleting the front or rear fuel tank of a chassis cab truck with RPO NSQ dual fuel tanks.

01-08-42-001O

Service Bulletin/Repair Instructions

This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines.

PIT5391F

Service Bulletin/Repair Instructions

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.

PIT5650A

Service Bulletin/Repair Instructions

This Preliminary information communicates that trucks built at Oshawa assembly utilize a powder anti-chip material process for stone guard protection, which does not have a textured appearance. The anti-chip performance meets all engineering criteria for durability and quality without a visibly textured surface. Trucks built at Flint, Fort Wayne, and Silao will have a textured appearance to the stone guard protection.

00-00-90-002M

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This service bulletin provides information for tire pressure monitoring (TPM) system concerns.

22-NA-254

Service Bulletin/Repair Instructions

This technical bulletin provides repair information to correct a customer concern of Unwanted Traction Control Events.

02-00-89-002U

Service Bulletin/Repair Instructions

This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only).

22-NA-257

Service Bulletin/Repair Instructions

This service bulletin provides information on Dealer Installed LPO Wheel Installation and Return Process.

09-00-89-008F

Service Bulletin/Repair Instructions

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.

PIP5894

Service Bulletin/Repair Instructions

This Preliminary information communicates proper alignment of the transfer case actuator during repair or actuator replacement

21-NA-124

Service Bulletin/Repair Instructions

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.

16-NA-338

Service Bulletin/Repair Instructions

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.

N222378350

Service Bulletin/Repair Instructions

This message is to inform dealers that Customer Satisfaction Program N222378350, released on November 3, 2022 through GM GlobalConnect Message GCUS-3-2690, had a number of vehicles released in error. Involved vehicle status in IVH will be changed from “Open” to “Closed” for the impacted vehicles. Please verify a VIN’s status in this field action by checking IVH prior to doing any repairs. Customers will be notified of the release error in a future mailing. We apologize for any inconvenience this situation may cause.

PIT3271N

Service Bulletin/Repair Instructions

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-101

Service Bulletin/Repair Instructions

This technical bulletin provides repair information to correct a customer concern of PTO (Power Take-Off) Kicks Out or Intermittently Disengages Unwanted.

22-NA-205

Service Bulletin/Repair Instructions

This service bulletin provides information on Module Harvesting.

PIP5175E

Service Bulletin/Repair Instructions

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.

10-00-89-006I

Service Bulletin/Repair Instructions

This service bulletin provides information for dealers on how to submit a product information report (PIR) (Canada Only).

99-00-89-019X

Service Bulletin/Repair Instructions

This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program.

PIP5853B

Service Bulletin/Repair Instructions

This PI communicates to dealers and technicians a possible diode issue in the TCCM, and how to properly diagnose for a diode issue.

22-NA-195

Service Bulletin/Repair Instructions

This service bulletin provides information on Handling Requests for Modifications to Permanently Import/Export Vehicles Between the U.S. and Canada.

03-06-04-017R

Service Bulletin/Repair Instructions

This service bulletin provides information on availability of Diesel Fuel additives.

PI0592G

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This service bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification.

07-06-01-016H

Service Bulletin/Repair Instructions

This service bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.

13-08-116-001H

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This service bulletin provides information on a guide to help reduce repeat visits for the same customer concern.

05-00-89-072F

Service Bulletin/Repair Instructions

This service bulletin provides the technician with additional information on fuels, fuel additives and fuel management.

09-06-04-026W

Service Bulletin/Repair Instructions

This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.

00-06-01-012L

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.

03-06-04-017Q

Service Bulletin/Repair Instructions

This service bulletin provides information on availability of Diesel Fuel additives.

04-06-04-051G

Service Bulletin/Repair Instructions

This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.

10-06-05-002K

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.

11-00-89-005U

Service Bulletin/Repair Instructions

This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).

19-NA-187

Service Bulletin/Repair Instructions

This bulletin provides additional information on how to graph a cylinder misfire and a possible diagnostic cause.

21-NA-113

Service Bulletin/Repair Instructions

This technical bulletin provides a procedure to perform a learn procedure for the turbo actuator.

05-00-89-029E

Service Bulletin/Repair Instructions

This service bulletin provides information on General Motors Dealership Critical Equipment Requirements and Recommendations.

22-NA-181

Service Bulletin/Repair Instructions

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.

11-00-89-005T

Service Bulletin/Repair Instructions

This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).

20-NA-065

Service Bulletin/Repair Instructions

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.

PIP5853A

Service Bulletin/Repair Instructions

This PI communicates to dealers and technicians a possible diode issue in the TCCM, and how to properly diagnose for a diode issue.

04-00-89-015X

Service Bulletin/Repair Instructions

This bulletin provides information on Warranty Administration – Required Operating Procedures - 8 Points (U.S. Only).

PIT5928

Service Bulletin/Repair Instructions

This Preliminary information provides information to the technician on installing Regular Production Option Code K40 Exhaust Brake and/or 9L7 Upfitter Switches  Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 177. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."

PIP5212D

Service Bulletin/Repair Instructions

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.

22-NA-135

Service Bulletin/Repair Instructions

This warranty admin bulletin covers information on Essential Tools that include Consumable Parts.

12-01-37-001F

Service Bulletin/Repair Instructions

This service bulletin provides information to dealership personnel on a new refrigerant (R1234yf) for A/C service.

PIT5686C

Service Bulletin/Repair Instructions

This Preliminary information communication  provides information to the technician on installing Regular Production Option Code UVC Rearview Camera. Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 150. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."

PIT5894B

Service Bulletin/Repair Instructions

This Preliminary information communicates   Some customers may comment on a vibration while driving. The cause of the condition may be that the wheel and tire assemblies require Road Force balance.  Please open a Tac case and provide the following information.  Check the valve stems are they pointing at each other (lined up)? What wheels is the vehicle equipped with steel or Aluminum?  What brand are the tires goodyear or Continental?s? Then follow bulletin 21-NA-270 for repair information

PIT5838A

Service Bulletin/Repair Instructions

This Preliminary information communicates A vehicle may have a concern of a brake noise or moan may be heard at the beginning of drive-off from a complete stop, This concern may be considered normal .

PIP5853

Service Bulletin/Repair Instructions

This PI communicates to dealers and technicians a possible diode issue in the TCCM, and how to properly diagnose for a diode issue.

12-00-89-003B

Service Bulletin/Repair Instructions

This service bulletin provides policy information on warranty administration guidelines for multiple repairs with independent causes (GM Canada Dealers Only).

PIE0693

Service Bulletin/Repair Instructions

This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Oil Leaking from Front of Engine.

PIT5287H

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This informational bulletin provides information on a guide to help reduce repeat visits for the same customer concern.

PIT5287G

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This informational bulletin provides information on a guide to help reduce repeat visits for the same customer concern.

22-NA-075

Service Bulletin/Repair Instructions

This technical bulletin provides repair information to correct a customer concern of software anomalies with the engine control module (ECM).

PIP4670J

Service Bulletin/Repair Instructions

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.

20-NA-207

Service Bulletin/Repair Instructions

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.

PIT5894

Service Bulletin/Repair Instructions

This Preliminary information communicates   Some customers may comment on a vibration while driving. The cause of the condition may be that the wheel and tire assemblies require Road Force balance.  Please open a Tac case and provide the following information.  Check the valve stems are they pointing at each other (lined up)? What wheels is the vehicle equipped with steel or Aluminum?  What brand are the tires goodyear or Continental?s? Then follow bulletin 21-NA-270 for repair information

21NA135

Service Bulletin/Repair Instructions

This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content.

22NA025

Service Bulletin/Repair Instructions

This technical bulletin provides a procedure to check and repair the balancer if found contacting the front cover.

PIP5742A

Service Bulletin/Repair Instructions

This Preliminary information communicates to the dealer technicians that a belt chirp or rubbing noise may be caused by the harmonic balancer out ring moving backward on the pulley and contacting the front cover.

080089014G

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This service bulletin provides information for the Global Warranty Management (GWM) Warranty Parts Center (WPC) Part Photo Return Process (U.S. Dealers Only).

990089019W

Service Bulletin/Repair Instructions

This Warranty Administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information.

070601016G

Service Bulletin/Repair Instructions

This informational bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.

150089004D

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This service bulletin provides information for cleaning brake dust off of aluminum or chrome wheels.

PI0653F

Service Bulletin/Repair Instructions

This preliminary informational bulletin provides information on Damaged, Disassembled or Improperly Packaged Turbochargers Returned to Warranty Part Center.

16NA361

Service Bulletin/Repair Instructions

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.

20NA090

Service Bulletin/Repair Instructions

This informational bulletin provides a way for the technician to identify if the ECM has been modified.

22NA013

Service Bulletin/Repair Instructions

This technical bulletin provides a procedure for the technician to check and tighten the CAC plumbing if found loose.

18NA103

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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.

PIT5691B

Service Bulletin/Repair Instructions

This Preliminary information communicates the need to Reference the latest version of GM Upfitter Integration Bulletin 149 for deleting the front or rear fuel tank of a chassis cab truck with RPO NSQ dual fuel tanks.

PIT5676B

Service Bulletin/Repair Instructions

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 148. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."

20NA110

Service Bulletin/Repair Instructions

This service bulletin provides service information for a DEF pump that is unable to build pressure after replacement.

19NA187

Service Bulletin/Repair Instructions

This bulletin provides additional information on how to graph a cylinder misfire and a possible diagnostic cause.

18NA098

Service Bulletin/Repair Instructions

This informational bulletin provides information for the technicians on where to look on the Duramax engine for coolant leaks.

20NA203

Service Bulletin/Repair Instructions

This informational bulletin explains how the regen works for the DEF system and how it works at different levels.

22NA009

Service Bulletin/Repair Instructions

This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin-On Oil Filters.

070316004D

Service Bulletin/Repair Instructions

This service bulletin provides information for tire pressure monitoring (TPM) system concerns.

16NA380

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This informational bulletin explains how to identify possible DEF contamination.

21NA113

Service Bulletin/Repair Instructions

This technical bulletin provides a procedure to perform a learn procedure for the turbo actuator.

030604017P

Service Bulletin/Repair Instructions

This service bulletin provides information on availability of Diesel Fuel additives.

16NA222

Service Bulletin/Repair Instructions

This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.

16NA244

Service Bulletin/Repair Instructions

This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the DEF system.

16NA372

Service Bulletin/Repair Instructions

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.

100605002J

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This service bulletin provides information for accurate tire pressures that ensure the safe handling and appropriate ride characteristics of GM cars and trucks.

050604022S

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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.

19NA218

Service Bulletin/Repair Instructions

This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.

PIP5628E

Service Bulletin/Repair Instructions

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

20NA166

Service Bulletin/Repair Instructions

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.

DCS5999

Service Bulletin/Repair Instructions

Heater Outlet Pipe ? Population Revised

20NA197

Service Bulletin/Repair Instructions

This technical bulletin provides a procedure to inspect and repair the fuel pressure sensor if found the cause of the customers concern.

N212345440

Service Bulletin/Repair Instructions

Heater Outlet Pipe ? Population Revised

19NA153

Service Bulletin/Repair Instructions

This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal.

21NA270

Service Bulletin/Repair Instructions

This informational bulletin provides information for dealers/technicians on Vibration Caused by Tires.

030310007K

Service Bulletin/Repair Instructions

This service bulletin provides information for dealers/technicians on Tire/Wheel Characteristics (Vibration, Balance, Shake, Flat Spotting) of GM Original Equipment Tires.

19NA104

Service Bulletin/Repair Instructions

This service bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area.

030091001H

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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.

20NA078

Service Bulletin/Repair Instructions

This technical bulletin provides a procedure to replace the 4 5 6 clutch housing if the bushing was found worn and the cause of the customers concern.

20NA132

Service Bulletin/Repair Instructions

This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.

PIP5813

Service Bulletin/Repair Instructions

This Preliminary information communicates A vehicle may have a need for  Camshaft replacement or have misfires on non AFM cylinders after the camshaft was replaced. The camshaft may have been boxed incorrectly

21NA152

Service Bulletin/Repair Instructions

This service bulletin provides information for dealers/technicians on glass ultraviolet (UV) Ray protection and tint percentage.

010842001N

Service Bulletin/Repair Instructions

This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines.

PIE0609A

Service Bulletin/Repair Instructions

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a noise heard from the engine compartment, loss of charging and/or reduced alternator output.

990420002L

Service Bulletin/Repair Instructions

This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operation.

080730035E

Service Bulletin/Repair Instructions

This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.

110089002E

Service Bulletin/Repair Instructions

This service bulletin provides information on GM Accessories ? Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.

070089037Q

Service Bulletin/Repair Instructions

This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.

120851002M

Service Bulletin/Repair Instructions

This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures.

N212327100 01

Service Bulletin/Repair Instructions

Emission Recall. General Motors has decided to conduct a voluntary emissions recall involving certain vehicles. The Vehicle Emissions Control Information (VECI) label may contain an incorrect certification group identifier. Since a new label can be easily installed, and to reduce customer inconvenience, the label will be sent directly to customers of record along with the installation instructions. Customers may install the label or, if they desire, they may take the label to their dealer for installation at no charge.

21NA124

Service Bulletin/Repair Instructions

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.

PIT5686B

Service Bulletin/Repair Instructions

This Preliminary information communication  provides information to the technician on installing Regular Production Option Code UVC Rearview Camera. Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 150. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."

18NA306

Service Bulletin/Repair Instructions

This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA).

070089037P

Service Bulletin/Repair Instructions

This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.

100089006H

Service Bulletin/Repair Instructions

This service bulletin provides information for dealers on how to submit a product information report (PIR) (Canada Only).

N212327100

Service Bulletin/Repair Instructions

Emission Recall. General Motors has decided to conduct a voluntary emissions recall involving certain vehicles. The Vehicle Emissions Control Information (VECI) label may contain an incorrect certification group identifier. Since a new label can be easily installed, and to reduce customer inconvenience, the label will be sent directly to customers of record along with the installation instructions. Customers may install the label or, if they desire, they may take the label to their dealer for installation at no charge.

120851002L

Service Bulletin/Repair Instructions

This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures.

20NA159

Service Bulletin/Repair Instructions

This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).

19NA044

Service Bulletin/Repair Instructions

This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.

21NA109

Service Bulletin/Repair Instructions

This service bulletin provides diagnostic information for a customer concern of engine vibration.

16NA338

Service Bulletin/Repair Instructions

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.

PIT5717A

Service Bulletin/Repair Instructions

This Preliminary information communicates if the sunroof, rear sliding window, and/or wireless charging are found to be inoperative due to the F2DL and/or the F8DL fuse(s) being open.  Inspect the center console harness area at the hinge pivot point for chaffed circuits.

070842006P

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This service bulletin provides information regarding Witness Marks from Panel Adjustments Made During Manufacturing and that it is considered a normal condition.

PIT5838

Service Bulletin/Repair Instructions

This Preliminary information communicates A vehicle may have a concern of a brake noise or moan may be heard at the beginning of drive-off from a complete stop, This concern may be consitered normal .

000601026N

Service Bulletin/Repair Instructions

This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.

21NA068

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak.

18NA146

Service Bulletin/Repair Instructions

This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only).

020089002T

Service Bulletin/Repair Instructions

This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only).

070089036J

Service Bulletin/Repair Instructions

This service bulletin provides information on Enhancing Field Product Reports with Digital Pictures.

18NA099

Service Bulletin/Repair Instructions

This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim.

PIP5212C

Service Bulletin/Repair Instructions

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.

110089005Q

Service Bulletin/Repair Instructions

This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).

1008110001I

Service Bulletin/Repair Instructions

This informational bulletin provides information on proper use of floor mats.

20NA138

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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).

N212329850

Service Bulletin/Repair Instructions

Customer Satisfaction Program. On certain vehicles equipped with the provisions ? electrical switch bank (SEO) (RPO UEH), may under certain conditions, have circuit breakers inside an auxiliary control box that could trip due to the high temperature that may accumulate inside the vehicle and control box. Dealers are to replace (7) circuit breakers with equivalent rated fuse and the 5 Amp circuit breaker with a 10 Amp fuse and apply the updated labels.

21NA043

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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.

150089004C

Service Bulletin/Repair Instructions

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.

21NA026

Service Bulletin/Repair Instructions

This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats warped or misshapen.

21NA015

Service Bulletin/Repair Instructions

This technical bulletin provides a procedure to program the ECM if found the cause of the customers concern.

20NA142

Service Bulletin/Repair Instructions

This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving.

PIE0609

Service Bulletin/Repair Instructions

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a noise heard from the engine compartment, loss of charging and/or reduced alternator output.

20NA212

Service Bulletin/Repair Instructions

This technical bulletin provides repair information to correct a customer concern of IPC Gauges Inoperative or Fluctuate, No Crank, Start then Stall.

150601002K

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.

PIT5387J

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.

040089015V

Service Bulletin/Repair Instructions

This bulletin provides information on Warranty Administration ? Required Operating Procedures - 8 Points (U.S. Only).

16NA019

Service Bulletin/Repair Instructions

This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares.

19NA136

Service Bulletin/Repair Instructions

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.

20NA030

Service Bulletin/Repair Instructions

This service bulletin provides a procedure to correct a customer concern of Rear Air Suspension Inoperative.

18NA263

Service Bulletin/Repair Instructions

This warranty administration bulletin provide policy information for variable diagnostic time allowances on select labor operations (U.S. Only).

060089031F

Service Bulletin/Repair Instructions

This service bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification.

030604017O

Service Bulletin/Repair Instructions

This Informational Bulletin provides information on availability of Diesel Fuel additives.

000310002L

Service Bulletin/Repair Instructions

This service bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels.

PIT3271K

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

Thins informational bulletin provides information on Paint-less Dent Repair Process.

PI0754D

Service Bulletin/Repair Instructions

This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic.

100605002I

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This service bulletin provides information on Improved Oil Filter Gasket Design for Spin-On Oil Filters PF63, PF64 and PF48.

19NA116

Service Bulletin/Repair Instructions

This technical bulletin provides repair information to correct a customer concern of pulsing, grinding, scraping noise from brakes, uneven front brake pad wear.

20NA196

Service Bulletin/Repair Instructions

This service bulletin provides information and a service procedure for dealers/technicians on OnStar Over the Air Update for TTY / TDD Operation and Continuous Improvement Changes.

17NA393

Service Bulletin/Repair Instructions

This informational bulletin explains how to check the NOx Catalyst Reductant-Load Adaptive Values using GSD2.

1308116001F

Service Bulletin/Repair Instructions

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.

20NA177

Service Bulletin/Repair Instructions

This technical bulletin provides repair information to correct a customer concern of the loss of air pressure causing rear air suspension bags not to inflate.

16NA376

Service Bulletin/Repair Instructions

This informational bulletin provides information on higher than expected oil consumption.

050604022R

Service Bulletin/Repair Instructions

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.

18NA150

Service Bulletin/Repair Instructions

This informational bulletin provides information on 6.6L Duramax Possible Oil Leak Path Information.

060089026Q

Service Bulletin/Repair Instructions

This warranty administration bulletin provides information on Warranty Administration - Customer Concern Not Duplicated (CCND) Labor Operation Numbers.

PIT5586E

Service Bulletin/Repair Instructions

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 for logic lock of Serial Data Gateway Module or for Serial Data Gateway Module X1 and X2 connectors having terminal concerns and repair as needed.

110089005P

Service Bulletin/Repair Instructions

This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).

18NA161

Service Bulletin/Repair Instructions

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.

N202300240-02

Service Bulletin/Repair Instructions

Customer Satisfaction Program - certain vehicles may have a condition of a transfer case fluid leak below the frontinput shaft bearing retainer or at the idler pulley bearing retainer. Dealers are to inspect and if necessary, replace two o-rings on the transfer case.

20NA055

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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.

PIT5719A

Service Bulletin/Repair Instructions

This Preliminary information communicates information on the brake booster pump running at all times even with ignition off.  Dealer is to disconnect the brake pipe pressure switch to verify it concern is corrected, if so dealer is to replace the switch. GM Engineering is currently root causing this concern.

20NA182

Service Bulletin/Repair Instructions

This technical bulletin provides a procedure to replace the brake line pressure switch if found the cause of the customers concern.

18NA253

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This technical bulletin provides a procedure to update the GPCM if found the cause of the customers concern.

N202300240 01

Service Bulletin/Repair Instructions

Customer Satisfaction Program - Certain vehicles may have a condition of a transfer case fluid leak below the front input shaft bearing retainer or at the idler pulley bearing retainer. Dealers are to inspect and if necessary, replace two o-rings on the transfer case.

990089019U

Service Bulletin/Repair Instructions

This Warranty Administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information.

PIE0554C

Service Bulletin/Repair Instructions

This engineering informational bulletin is requesting information from the technicians for the following conditions for the cluster.

N202300240

Service Bulletin/Repair Instructions

Customer Satisfaction Program - certain vehicles may have a condition of a transfer case fluid leak below the front input shaft bearing retainer or at the idler pulley bearing retainer. Dealers are to inspect and if necessary, replace two o-rings on the transfer case.

PIT5533C

Service Bulletin/Repair Instructions

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.

070842006O

Service Bulletin/Repair Instructions

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.

150089002B

Service Bulletin/Repair Instructions

This bulletin provides information to dealers regarding transportation damage repair claim submission requirements.

PIP5504E

Service Bulletin/Repair Instructions

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.

PIP5742

Service Bulletin/Repair Instructions

This Preliminary information communicates to the dealer technicians that a belt chirp or rubbing noise may be caused by the harmonic balancer out ring moving backward on the pulley and contacting the front cover.

PIP5740

Service Bulletin/Repair Instructions

This Preliminary information communicates to the dealer an issue where a customer may have incorrectly received a notification advising of a starting syetem issue with their veihcle. Dealer advised to inspect for a legitimate issue, if one found, diagnose accordingly.

PIP5630D

Service Bulletin/Repair Instructions

This Preliminary information communicates A vehicle may have a concern of no oil pressure and/or P0521 set. the releif valve in the pump is sticking or the number 1 main bearing is damaged. Drop oil pan and confirm #1 main is spun or not.  If bearings are OK Then change oil pump.

990089019T

Service Bulletin/Repair Instructions

This warranty administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information.

PIP5733

Service Bulletin/Repair Instructions

This Preliminary information communicates Possible Crank no start or extended crank with DTC p12A6 set current or history.  Under Investigation

PIE0554B

Service Bulletin/Repair Instructions

This engineering informational bulletin is requesting information from the technicians for the following conditions for the cluster.

110089005O

Service Bulletin/Repair Instructions

This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).

20NA116

Service Bulletin/Repair Instructions

This informational bulletin provides information on Available Top Speed Changes and how to reach them.

20NA101

Service Bulletin/Repair Instructions

This technical bulletin provides a procedure for pad replacement due to on premature and/or uneven brake pad wear.

060089029T

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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.

PIT5686A

Service Bulletin/Repair Instructions

This Preliminary information communication  provides information to the technician on installing Regular Production Option Code UVC Rearview Camera. Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 150. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."

070849020Q

Service Bulletin/Repair Instructions

This informational bulletin provides information for the IPC odometer programming method quick reference guide.

PIP5729

Service Bulletin/Repair Instructions

This Preliminary information communicates Some customers may comment that the SES lamp is illuminated or was Illuminated and turned off. During inspection Technician may notice DTC P1682 (Ignition 1 Switch Circuit 2) active or stored in history. DTC?s P0101, P0689. P16A7 or P16BC may also be active or stored in history. Additionally, vehicle may have been into the dealer on a prior service visit and had the MAF sensor replaced for DTC P0101.  This condition may be caused by a faulty ignition relay or underhood fuse block terminal concern.

16NA383

Service Bulletin/Repair Instructions

This technical 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.

PIT5466C

Service Bulletin/Repair Instructions

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.

030089006R

Service Bulletin/Repair Instructions

This informational bulletin provides the dealership with how to prep a vehicle for delivery to the customer to aid in higher CSi scores.

060089029S

Service Bulletin/Repair Instructions

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.

PIP5504D

Service Bulletin/Repair Instructions

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.

20NA098

Service Bulletin/Repair Instructions

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.

150601002J

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).

060089029R

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This Warranty Administration Bulletin Provides High Voltage Battery Exchange Process Information.

PIT5511D

Service Bulletin/Repair Instructions

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.

PIP5719B

Service Bulletin/Repair Instructions

This Preliminary information communicates the possibility of dtc P12A6 with the possibility of a crank no start or extended crank concern.

PIP5719A

Service Bulletin/Repair Instructions

This Preliminary information communicates the possibility of dtc P12A6 with the possibility of a crank no start or extended crank concern.

PI0281H

Service Bulletin/Repair Instructions

This preliminary informational bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.

N202299641

Service Bulletin/Repair Instructions

Emission Recall - Exceeds NOx Standard In Emissions Testing - General Motors has decided to conduct a voluntary emissions recall involving certain 2019-2020 Chevrolet Silverado 4500HD/5500HD/6500HD vehicles equipped with a 6.6L diesel engine. These vehicles may be equipped with an improperly functioning on-board emission-related diagnostic system that violates California and Federal standards and regulations. Dealers are to reprogram the Engine Control Module (ECM) with corrected software.

060089029Q

Service Bulletin/Repair Instructions

This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles.

19NA035

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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.

PIE0562

Service Bulletin/Repair Instructions

This engineering information (EI) is requesting information from technicians to perform the checklist provided and contact the engineer listed in regards to a Check Trailer Message on Drivers Information Center (DIC) and/or F74, F82 Fuses Blown.

060089029P

Service Bulletin/Repair Instructions

This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles.

PIT5490B

Service Bulletin/Repair Instructions

This Preliminary Information communication provides information to the technician about vehicles that may have a Service Trailer Brake message in the Driver Information Center. Also the vehicle will have a Diagnostic Trouble Code U0415 set. Technician will fill the master cylinder brake fluid reservoir to the maximum level.

070089037O

Service Bulletin/Repair Instructions

This warranty administration bulletin provides policy information for courtesy transportation and roadside assistance programs.

140604004F

Service Bulletin/Repair Instructions

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.

N192273630-02

Service Bulletin/Repair Instructions

Emission - General Motors has decided to conduct a voluntary emissions recall involving certain 2016-2019 model year diesel engine vehicles. The engine control module (ECM) in these vehicles may not adequately diagnose or illuminate the malfunction indicator lamp (Check Engine Light) when frequent regeneration of the diesel particulate filter (DPF) occurs. Dealers are to program the engine control module (ECM) with corrected software.

PIT5586D

Service Bulletin/Repair Instructions

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.

PIE0554

Service Bulletin/Repair Instructions

This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Instrument Panel Cluster (IPC) Gages at Zero, Multiple Warning Lights On, No Chimes and/or Turn Single Audio.

150601002I

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This informational bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only).

20NA058

Service Bulletin/Repair Instructions

This informational bulletin provides information for dealers/technicians on Silverado 4500HD/5500HD/6500HD RPO 5H1 - 2 Spare keys.

PIE0554A

Service Bulletin/Repair Instructions

This engineering information (EI) is requesting information from the technicians for issues regarding Instrument Panel Cluster (IPC) Gages at Zero, Multiple Warning Lights On, No Chimes and/or Turn Single Audio.

050310020G

Service Bulletin/Repair Instructions

This informational bulletin provides information for dealers/technicians on Use of Nitrogen Gas in Tires.

060089026P

Service Bulletin/Repair Instructions

This warranty administration bulletin provides information on Warranty Administration ? Customer Concern Not Duplicated (CCND) Labor Operation Numbers.

19NA164

Service Bulletin/Repair Instructions

This technical bulletin provides a procedure to index the front drive shaft rear yoke to correct the customers concern.

20NA050

Service Bulletin/Repair Instructions

This technical bulletin provides a procedure to clear the codes and test the Tcase if found that the customer has tried to shift the t-case from 4lo to Hi gears while driving.

990089019S

Service Bulletin/Repair Instructions

This warranty administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information.

PIT5287F

Service Bulletin/Repair Instructions

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.

PIT5552D

Service Bulletin/Repair Instructions

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

040601029J

Service Bulletin/Repair Instructions

This informational bulletin explains Unscheduled Supplemental Services (including Flushing Services and Additives) and the Proper use of GM Simplified Maintenance Schedules.

040089015U

Service Bulletin/Repair Instructions

This bulletin provides information on Warranty Administration ? Required Operating Procedures - 8 Points (U.S. Only).

000310003Y

Service Bulletin/Repair Instructions

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.

050307009J

Service Bulletin/Repair Instructions

This informational bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles.

150089005C

Service Bulletin/Repair Instructions

This Warranty Administration bulletin provides information on Essential Tools that include Consumable Parts (U.S. Only).

16NA119

Service Bulletin/Repair Instructions

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.

N192255550

Service Bulletin/Repair Instructions

Customer Satisfaction Program. Certain vehicles may have a condition in which the transfer case bearing setting may be out of specification. This condition may cause a potential slow fluid leak from the transfer case area and with an increasing fluid leak over time. If the leak is not addressed, there would be a potential increase in noise and lead eventually to a loss of propulsion if the unit fails. Dealers will re-adjust the transfer case bearing setting.

N192273631

Service Bulletin/Repair Instructions

Emission - General Motors has decided to conduct a voluntary emissions recall involving certain 2018 model year diesel engine vehicles. The engine control module (ECM) in these vehicles may not adequately diagnose or illuminate the malfunction indicator lamp (Check Engine Light) when frequent regeneration of the diesel particulate filter (DPF) occurs. Dealers are to program the engine control module (ECM) with corrected software.

18NA239

Service Bulletin/Repair Instructions

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.

N192273630-01

Service Bulletin/Repair Instructions

Emission - General Motors has decided to conduct a voluntary emissions recall involving certain 2018-2019 model year diesel engine vehicles. The engine control module (ECM) in these vehicles may not adequately diagnose or illuminate the malfunction indicator lamp (Check Engine Light) when frequent regeneration of the diesel particulate filter (DPF) occurs. Dealers are to program the engine control module (ECM) with corrected software.

PIT5731A

Service Bulletin/Repair Instructions

This Preliminary information communicates The vehicle may have a concern of not turning as sharp one way or the other and/or the turning radius is not the same in either direction. The steering will not go stop to stop due to the steering limitation valves being out of adjustment. Before replacing the steering gear try to learn the steering limitation valves.

DOR-D8C4T-03

Service Bulletin/Repair Instructions

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.

PIT5731

Service Bulletin/Repair Instructions

This Preliminary information communicates The vehicle may have a concern of not turning as sharp one way or the other and/or the turning radius is not the same in either direction. The steering will not go stop to stop due to the steering limitation valves being out of adjustment. Before replacing the steering gear try to learn the steering limitation valves.

110089002D

Service Bulletin/Repair Instructions

This informational bulletin provides information on GM Accessories ? Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.

19NA212

Service Bulletin/Repair Instructions

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.

PIT5546G

Service Bulletin/Repair Instructions

This Preliminary information communicates that water leaking into the headlamp assembly or headlamp assembly connections can cause an electrical short which will keep modules from shutting down causing a dead battery and a no crank condition, a crank no start, or unable to program the engine control module. Engine control module will set a diagnostic trouble code of P1682, or the engine will continue to run with the ignition off.

050307009I

Service Bulletin/Repair Instructions

This informational bulletin provides retail, wholesale and fleet personnel with General Motors recommendations for customer concerns related to wheel alignment.

15NA010

Service Bulletin/Repair Instructions

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.

20NA016

Service Bulletin/Repair Instructions

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.

PIP5531A

Service Bulletin/Repair Instructions

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

PIT5282F

Service Bulletin/Repair Instructions

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).

PIP5638A

Service Bulletin/Repair Instructions

This Preliminary information communicates There may be a question about the maximum vehicle speed.  The maximum vehicles speed is reflected by the axle ratio that it was ordered with.

17NA302

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This informational bulletin provides information on key code security rules and information on GM keycode look-up applications.

080089014F

Service Bulletin/Repair Instructions

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).

19NA270

Service Bulletin/Repair Instructions

This technical bulletin provides repair information to correct a customer concern of Phone Ringer Volume Turned Down or Too Quiet.

PIP5658A

Service Bulletin/Repair Instructions

This Preliminary information communicates There may be a concern where coolant heat shrink clamps need to be replaced for a coolant leak and/or for a service repair. Difficult to get the heat shrink clamps?to seal the coolant hose. For locations that are  inaccessible to  a heat gun,  use hose clamp p/n 1518389C1, torque @ 9-11 Nm (79 - 97 lb in).

N192223160

Service Bulletin/Repair Instructions

Certain 2019 model year Chevrolet Silverado 4500/5500/6500 vehicles with rear air suspension may have been built with a switch that allows the rear suspension air bags to re-inflate while the vehicle is in Park. The air suspension should never re-inflate while the vehicle is still in Park. Dealers will replace the switch.

PIT5719

Service Bulletin/Repair Instructions

This Preliminary information communicates information on the brake booster pump running at all times even with ignition off.  Dealer is to disconnect the brake pipe pressure switch to verify it concern is corrected, if so dealer is to replace the switch. GM Engineering is currently root causing this concern.

N192275090

Service Bulletin/Repair Instructions

N192275090 - Service Update - Certain 2019 model year Chevrolet Silverado Medium Duty 4500/5500/6500 vehicles may have a condition where after the fuel filler tube is tied back to the frame for shipment there may be sufficient tension placed on connections that if the clamps are not fully tightened a leak could be created between the connection to the fuel tank(s) and the fuel filler tube. Dealers will inspect, and if necessary, tighten the clamps between the fuel filler tube and the fuel tank(s).

010842001M

Service Bulletin/Repair Instructions

This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines.

080310006G

Service Bulletin/Repair Instructions

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.

PIT5594B

Service Bulletin/Repair Instructions

This Preliminary information communicates a normal DIC message after learning keys/fobs which indicates the drivers memory position.

PIP5335D

Service Bulletin/Repair Instructions

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.

18NA366

Service Bulletin/Repair Instructions

This New Model Features Bulletin provides General Information and other Topics to help the Service Personnel become familiar with features specific to the new Medium Duty 2019 Chevrolet Silverado 4500HD, 5500HD and 6500HD.

120851002K

Service Bulletin/Repair Instructions

This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures.

990420002K

Service Bulletin/Repair Instructions

This informational bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operations.

PIT5509E

Service Bulletin/Repair Instructions

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.

PIT5717

Service Bulletin/Repair Instructions

This Preliminary information communicates if the sunroof, rear sliding window, and/or wireless charging are found to be inoperative due to the F2DL and/or the F8DL fuse(s) being open.  Inspect the center console harness area at the hinge pivot point for chaffed circuits.

PIT5288H

Service Bulletin/Repair Instructions

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.

PIT5535E

Service Bulletin/Repair Instructions

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.

100089006G

Service Bulletin/Repair Instructions

This informational bulletin provides information for dealers how to submit a product information report (PIR) (Canada Only).

PIT5365D

Service Bulletin/Repair Instructions

This Preliminary Information communication provides information to the technician on how the radio display gets the air ambient temperature. On 1500 series trucks and all sport utility vehicle with regular production option code IO3 radio the ambient air temperature sensor is hard wired to the engine control module and then the signal goes on high speed local area network to the body control module from there on low speed local area network to the radio. On 1500 series trucks and all sport utility vehicle with regular production option code IO4, IO5, or IO6 the ambient air temperature sensor is hard wired to the engine control module and then the signal goes on high speed local area network to the body control module from there on low speed local area network to the radio then Most 50 Bus to the Human Machine Interface. On 2500/3500 series trucks production option code IO3 radio the ambient air temperature sensor is hard wired to the instrument panel cluster and then the signal goes on low speed local area network to the radio. On 2500/3500 series trucks production option code IO4, IO5, or IO6 radio the ambient air temperature sensor is hard wired to the instrument panel cluster and then the signal goes on low speed local area network to the radio then Most 50 Bus to the Human Machine Interface.

19NA232

Service Bulletin/Repair Instructions

This informational bulletin provides tips for showing a way to confirm if its a mechanical engine issue or not.

010601011K

Service Bulletin/Repair Instructions

This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.

100089009C

Service Bulletin/Repair Instructions

This informational bulletin provides information on key code security and information on GM key code look up applications.

PIP5626D

Service Bulletin/Repair Instructions

This Preliminary Information communication advises the technician that the 6.6L Duramax Diesel Regular Production Option Code L5D has been placed on Engine Exchange program. Dealer will need to contact General Motors Product Quality Center for further assistance.

010089010N

Service Bulletin/Repair Instructions

This informational bulletin provides information on comebacks prevention information and using customer concern verification sheets (CCVS).

030604017N

Service Bulletin/Repair Instructions

This Informational Bulletin provides information on availability of Diesel Fuel additives.

PIP5407B

Service Bulletin/Repair Instructions

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.

PIP5626C

Service Bulletin/Repair Instructions

This Preliminary Information communication advises the technician that the 6.6L Duramax Diesel Regular Production Option Code L5D has been placed on Engine Exchange program. Dealer will need to contact General Motors Product Quality Center for further assistance.

PIT5576C

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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.

PIP5606E

Service Bulletin/Repair Instructions

This Preliminary information communicates A vehicle may have a tick noise from the engine cold, initial start in the morning. A lifter may not have sufficient amount of oil during cold start operation (not pumped up).  As information comes in the Pi will be updated and when the final repair is out this this PI will be changed to a Bulletin

PIP5679

Service Bulletin/Repair Instructions

This Preliminary information communicates Diagnostic Aids For Injector Driver Codes DTCs P01CB,?P01CC,?P01CD,?P01CE, P01CF,?P01D0,?P01D1,?P01D2,?P01D3,?P01D4,?P01D5,?P01D6,?P01D7,?P01D8,?P01D9, P01DA, set This concern could be caused by switching the vehicle into 4WD and driving the vehicle with out  locking the front hubs.

N192213720

Service Bulletin/Repair Instructions

N192213720 - Emissions - General Motors has decided to conduct a voluntary emissions recall involving certain 2019 Chevrolet Silverado 4500HD/5500HD/6500HD vehicles equipped with a diesel engine. The engine control module (ECM) in these vehicles does not properly diagnose malfunctions of Exhaust Gas Temperature Sensor #5. If engine control system diagnostic tests determine that this temperature sensor is not performing as expected, the control system becomes locked in a pending fault state. When this happens, the system cannot illuminate the Malfunction Indicator Lamp (MIL) or clear the pending fault state, even when normal temperature sensor performance is confirmed. While in the pending fault state, other diagnostic tests may not run, and exhaust braking performance capability may be reduced. Dealers are to reprogram the engine control module with modified software.

17NA073

Service Bulletin/Repair Instructions

This warranty administration bulletin provides information regarding the field action courtesy transportation policy.

PIP5630C

Service Bulletin/Repair Instructions

This Preliminary information communicates A vehicle may have a concern of no oil pressure and/or P0521 set. the releif valve in the pump is sticking or the number 1 main bearing is damaged. Drop oil pan and confirm #1 main is spun or not.  If bearings are OK Then change oil pump.

N192255140

Service Bulletin/Repair Instructions

N192255140 - Customer Satisfaction Program - Certain vehicles may have a condition in which the bolt for the secondary generator (RPO KHB) was torqued but did not receive the proper clamp load. It is possible the bolt will loosen over time. Dealers are to replace the air conditioning compressor bracket and idler pulley assembly. The drive belt will be inspected and replaced if damaged.

PIP5626B

Service Bulletin/Repair Instructions

This Preliminary Information communication advises the technician that the 6.6L Duramax Diesel Regular Production Option Code L5D has been placed on Engine Exchange program. Dealer will need to contact General Motors Product Quality Center for further assistance.

PI0592E

Service Bulletin/Repair Instructions

This preliminary information bulletin provides information om Service Programming System (SPS) Error Codes E4398, E4399, E4403, M4404, M4413, E4414, E4423, E4491 or E6961).

090604026R

Service Bulletin/Repair Instructions

This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.

17NA276

Service Bulletin/Repair Instructions

This informational bulletin provides information on Loss of Phone Pairing or Favorites, Last Setting of Volume, Station, App, and Audio Settings Change When Vehicle Shuts Down in Demo Mode and that this is considered a normal characteristic of the vehicle in demo mode.

130089008B

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This informational bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.

N192220480

Service Bulletin/Repair Instructions

N192220480 - Customer Satisfaction Program. Certain 2019 model year Chevrolet Silverado 4500/5500/6500 HD vehicles may have an owner?s manual with incorrect part numbers or descriptions in the following sections: Air Suspension; Rear Air Suspension; Hydraulic Power Steering System and Maintenance Replacement Parts. Customers will receive an Owner?s Manual Supplement.

070601016F

Service Bulletin/Repair Instructions

This informational bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.

PIP5630B

Service Bulletin/Repair Instructions

This Preliminary information communicates A vehicle may have a concern of no oil pressure and/or P0521 set. the releif valve in the pump is sticking or the number 1 main bearing is damaged. Drop oil pan and confirm #1 main is spun or not.  If bearings are OK Then change oil pump.

080730026F

Service Bulletin/Repair Instructions

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.

18NA183

Service Bulletin/Repair Instructions

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.

PIP5663

Service Bulletin/Repair Instructions

This Preliminary information communicates  AFM / DFM usage  Information. providing additional information on the AFM and DFM systems

990089019R

Service Bulletin/Repair Instructions

This informational bulletin provides process information for the (GWM) and (WPC) parts return program.

PIP5606D

Service Bulletin/Repair Instructions

This Preliminary information communicates A vehicle may have a tick noise from the engine cold, initial start in the morning. A lifter may not have sufficient amount of oil during cold start operation (not pumped up).  As information comes in the Pi will be updated and when the final repair is out this this PI will be changed to a Bulletin

N192219160

Service Bulletin/Repair Instructions

N192219160 - Service Update - Certain 2019 Chevrolet Silverado 4500/5500/6500 vehicles may have been built with a rear axle housing breather improperly installed. If the rear axle housing breather were loose or missing, a customer could see rear diff. fluid on the ground. If the leak were ignored, a grinding noise could occur and continued use of the vehicle may result in the rear differential seizing. Verify rear axle housing breather is installed/oriented correctly. If not, drain and refill rear differential to eliminate any possible contamination and install new rear axle housing breather.

N192213530

Service Bulletin/Repair Instructions

N192213530 - Service Update - Certain vehicles may have a condition in which the rear fuel tank pump may fail to transfer fuel to the front fuel tank. If the fuel transfer fails, P-codes will set, and the fuel gage will default to ?E?, the low fuel warning will illuminate in the driver information center (DIC) and there will be 2 sets of 5 chimes upon initial warning. If the customer continues to operate the vehicle without refueling the front tank, the Check Engine Light will illuminate, and the vehicle may exhibit reduced power mode. The vehicle may also lose propulsion and may fail to re-start (dependent on fuel pressure). Dealers are to inspect and, if necessary, replace the rear fuel pump.

N192220610

Service Bulletin/Repair Instructions

N192220610 - Customer Satisfaction Program - Certain 2019 model year Chevrolet Silverado MD 4500/5500/6500 vehicles may have a condition in which the intermediate shaft pinch bolt may have been over-torqued. This could cause ?lumpy? steering and could lead to durability issues. Replace intermediate steering shaft, bolt, nut, and washers.

N192224350

Service Bulletin/Repair Instructions

N192224350 - Customer Satisfaction Program - Certain 2019 model year Chevrolet Silverado MD 4500/5500/6500 vehicles, which should be equipped with rear traction blackwall tires (RPO YAN or YAO), may have been built with incorrect tires. These vehicles may have highway tread tires instead of traction blackwall tires at the rear tire locations. All compliance requirements are met, however a customer annoyance condition exists. Replace all four rear tires.

PIP5630A

Service Bulletin/Repair Instructions

This Preliminary information communicates A vehicle may have a concern of no oil pressure and/or P0521 set. the releif valve in the pump is sticking or the number 1 main bearing is damaged. Drop oil pan and confirm #1 main is spun or not.  If bearings are OK Then change oil pump.

PIT5535D

Service Bulletin/Repair Instructions

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.

PIP5626A

Service Bulletin/Repair Instructions

This Preliminary Information communication advises the technician that the 6.6L Duramax Diesel Regular Production Option Code L5D has been placed on Engine Exchange program. Dealer will need to contact General Motors Product Quality Center for further assistance.

050604022Q

Service Bulletin/Repair Instructions

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.

100845001G

Service Bulletin/Repair Instructions

This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.

000601012J

Service Bulletin/Repair Instructions

This informational 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.

PIT5586C

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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.

PIT5457D

Service Bulletin/Repair Instructions

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.

PIT5691

Service Bulletin/Repair Instructions

This Preliminary information communicates the need to Reference the latest version of GM Upfitter Integration Bulletin 149 for deleting the front or rear fuel tank of a chassis cab truck with RPO NSQ dual fuel tanks.

060847001O

Service Bulletin/Repair Instructions

This bulletin explains the labor operation numbers used for submitting warranty claims for module reprogramming and not when replacing a module.

N192220030

Service Bulletin/Repair Instructions

N192220030. Certain vehicles, equipped with a 6.6L diesel engine (RPO L5D), may have a condition in which the incorrect amount of silicone fluid was added to the fan drive assembly. With low fluid, the vehicle may not meet the cooling requirement needed to achieve the max tow rating and may also lead to poor control of the fan drive speeds which could affect cooling performance. Dealers are to replace the fan blade clutch.

PIP5658

Service Bulletin/Repair Instructions

This Preliminary information communicates There may be a concern where coolant heat shrink clamps need to be replaced for a coolant leak and/or for a service repair. Difficult to get the heat shrink clamps?to seal the coolant hose. For locations that are  inaccessible to  a heat gun,  use hose clamp p/n 1518389C1, torque @ 9-11 Nm (79 - 97 lb in).

PIT5202E

Service Bulletin/Repair Instructions

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.

120851002J

Service Bulletin/Repair Instructions

This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures.

N192212610

Service Bulletin/Repair Instructions

Customer Satisfaction Program. Certain 2019 model year Chevrolet Silverado 4500/5500/6500 vehicles may have a Power Take Off (PTO) connector that has inadequate protection against water/debris intrusion. Over time, this could affect the function of the upfit (if so equipped) and the vehicle may exhibit reduced engine power and/or fail to restart. Replace the engine wire harness and PTO Module.

080730035D

Service Bulletin/Repair Instructions

This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.

PIT5686

Service Bulletin/Repair Instructions

This Preliminary information communication  provides information to the technician on installing Regular Production Option Code UVC Rearview Camera. Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 150. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."

PIT5412D

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This informational bulletin provides information for dealers/technicians on Tire Radial Force Variation (RFV).

16NA331

Service Bulletin/Repair Instructions

This warranty administration bulletin provides the information on General Motors Tire Warranty Policies and Procedures for Low Cab Forward Medium Duty Trucks (US Medium Duty Dealers Only).

PIP5498L

Service Bulletin/Repair Instructions

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.

18NA217

Service Bulletin/Repair Instructions

This technical bulletin provides a procedure to locate and repair a possible short in the 5294 circuit and correct the customers concern.

080089014E

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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.

PIT5676

Service Bulletin/Repair Instructions

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 148. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."

PIP5638

Service Bulletin/Repair Instructions

This Preliminary information communicates There may be a question about the maximum vehicle speed.  The maximum vehicles speed is reflected by the axle ratio that it was ordered with.

PIT5672

Service Bulletin/Repair Instructions

This Preliminary information communicates  There may be a concern with the operation of the rear suspension dump switch operation. This concern is caused by internal operation of the switch.

PIP5369C

Service Bulletin/Repair Instructions

This Preliminary Information communication provides information to the technician about vehicles that have "Service 4 Wheel Drive" message on the Driver Information Center. Provides the technician with additional information to ensure that the TCCM contains the latest software released to address previous issues, also advises of default action changes. Calls out specific circuits to be inspected to help isolate intermittent codes.

030729004L

Service Bulletin/Repair Instructions

This informational bulletin provides normal operating characteristics and diagnostic information on Manual transmissions.

030603004Y

Service Bulletin/Repair Instructions

This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.

1008110001H

Service Bulletin/Repair Instructions

This informational bulletin provides information on proper use of floor mats.

18NA144

Service Bulletin/Repair Instructions

This technical bulletin provides a procedure to locate possible chassis wiring damage from areas along the frame and repair them if found.

110089005N

Service Bulletin/Repair Instructions

This warranty administration bulletin provides information on Dealer Empowerment Labor Operations and Customer Enthusiasm.

030089006Q

Service Bulletin/Repair Instructions

This informational bulletin provides the dealership with how to prep a vehicle for delivery to the customer to aid in higher CSi scores.

060089029O

Service Bulletin/Repair Instructions

This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles.

040089053G

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This informational bulletin provides information for the IPC odometer programming method quick reference guide.

1008110001G

Service Bulletin/Repair Instructions

This informational bulletin provides information on proper use of floor mats.

PIT3098G

Service Bulletin/Repair Instructions

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.

18NA037

Service Bulletin/Repair Instructions

This Bulletin provides ECM reprogramming information to Correct DTC P2101.

PIE0500A

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This bulletin provides information for electrical ground repairs using new replacement fasteners with "conductive finish".

PIT5511C

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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.

PIT5386E

Service Bulletin/Repair Instructions

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.

110849001Z

Service Bulletin/Repair Instructions

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.

050604022P

Service Bulletin/Repair Instructions

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.

PIP5630

Service Bulletin/Repair Instructions

This Preliminary information communicates A vehicle may have a concern of no oil pressure and/or P0521 set. the releif valve in the pump is sticking or the number 1 main bearing is damaged. Drop oil pan and confirm #1 main is spun or not.  If bearings are OK Then change oil pump.

060605001H

Service Bulletin/Repair Instructions

This informational bulletin explains the normal characteristics of exhaust noise during active fuel management when in Three or Four Cylinder Mode.

PIP5626

Service Bulletin/Repair Instructions

This Preliminary Information communication advises the technician that the 6.6L Duramax Diesel Regular Production Option Code L5D has been placed on Engine Exchange program. Dealer will need to contact General Motors Product Quality Center for further assistance.

150601002H

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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.

16NA274

Service Bulletin/Repair Instructions

This Informational bulletin provides important instructions for contacting the Fleet Action Center for repair authorization prior to replacement of certain parts.

120089002C

Service Bulletin/Repair Instructions

This informational bulletin provides the dealer with information on what to do when requesting a new key code for the customer.

PIT5552C

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

This Preliminary information communicates Operational Tips/Support For GM Accessory Three Camera Trailering System Package By EchoMaster.

PI0564K

Service Bulletin/Repair Instructions

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).

110849001Y

Service Bulletin/Repair Instructions

This technical bulletin provides information on Transport Mode On Message Displayed in Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message On and Off.

PIT5391E

Service Bulletin/Repair Instructions

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.

PI1354I

Service Bulletin/Repair Instructions

This preliminary bulletin provides additional guidance for diagnosing vibrations or disturbances that may occur on full size pickups and how to correct and repair.

010089010M

Service Bulletin/Repair Instructions

This informational bulletin provides information on comebacks prevention information and using customer concern verification sheets (CCVS).

080089014D

Service Bulletin/Repair Instructions

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).

030603004X

Service Bulletin/Repair Instructions

This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.

120851002I

Service Bulletin/Repair Instructions

This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures.

100089005H

Service Bulletin/Repair Instructions

This warranty admin bulletin explains to the technician additional information may be needed when submitting transactions when doing wiring repairs.

N192208720

Service Bulletin/Repair Instructions

Service Update. Certain vehicles were built without a ?Certified Clean Idle? label on the front side panel just above the left front fender. Dealers are to install the VIN specific ?Certified Clean Idle? label to the front side panel just above the left front fender.

040089015T

Service Bulletin/Repair Instructions

This warranty administration bulletin provides policy information on required operating procedures.

060089026O

Service Bulletin/Repair Instructions

This warranty bulletin provides labor operation numbers for customer concerns Not duplicated (CCND).

18NA380

Service Bulletin/Repair Instructions

This technical bulletin provides a procedure to program the DEF Control Module to correct the customers concern.

17NA066

Service Bulletin/Repair Instructions

This warranty administration bulletin provide policy information for automatic transmission Oil Cooler Flush and flow test.

010842001L

Service Bulletin/Repair Instructions

This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines.

PIP5212B

Service Bulletin/Repair Instructions

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.

PIP5503A

Service Bulletin/Repair Instructions

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.

060847001N

Service Bulletin/Repair Instructions

This bulletin explains the labor operation numbers used for submitting warranty claims for module reprogramming and not when replacing a module.

060850009J

Service Bulletin/Repair Instructions

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.

17NA330

Service Bulletin/Repair Instructions

This informational bulletin provides information for the customer to pair their phone in order for the push to talk button on the steering wheel control to work.

PIT5359C

Service Bulletin/Repair Instructions

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.

PIP5491A

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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.

PIT5576B

Service Bulletin/Repair Instructions

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.

PIT5361D

Service Bulletin/Repair Instructions

This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have issues were the customer will need increased effort to depress the brake pedal. Technician may find fluid in the brake booster and/or the booster vacuum line. Technician will need to replace Vacuum Pump, Brake Booster, Master Cylinder, Vacuum Pump Belt and the Vacuum Line between the booster and the pump.

PIT5241F

Service Bulletin/Repair Instructions

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.

PIT5586B

Service Bulletin/Repair Instructions

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.

PIT5386D

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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.

PIP5579

Service Bulletin/Repair Instructions

This Preliminary information communicates that the front and rear axle assemblies are restricted from dealer ordering or replacing to assist engineering in identifying any issues.

PIT4745E

Service Bulletin/Repair Instructions

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.

PIT5624

Service Bulletin/Repair Instructions

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

Service Bulletin/Repair Instructions

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.

PIT5232E

Service Bulletin/Repair Instructions

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.

18157

Service Bulletin/Repair Instructions

18157 - Customer Satisfaction Program. Certain Low Cab Forward vehicles, equipped with diesel engines, may have a condition in which the Fuel Tank Sub Unit float arm in the rear-mounted fuel tank may become disconnected causing the fuel gauge to display ?Empty? (E) regardless of the actual fuel level. Dealers are to replace the Fuel Tank Sender Unit.

PIE0462

Service Bulletin/Repair Instructions

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.

Reading this report

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.