Vehicle report

2020 GMC SIERRA 2500

Service bulletins

991 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.

PIP6127A

Service Bulletin/Repair Instructions

This document assists GM dealer technicians with diagnosing torque converter concerns to ensure torque converter replacement is necessary. The torque converter part number will be placed on order restriction, and the technician will be asked to follow 25-NA-148 before requesting a part through PQC.

PIT6031B

Service Bulletin/Repair Instructions

This Preliminary information communicates an issue where an aftermarket autostop device or rear taillights is causing a dead battery.

PIT5680B

Service Bulletin/Repair Instructions

This PI provides information to repair the door water deflector which is not sealed properly allows water into the door jam/sill area.

PIT5099J

Service Bulletin/Repair Instructions

PI to help diagnose A/C concern

PIT5509N

Service Bulletin/Repair Instructions

This PI provides diagnostic tips for diagnosing electric trailer brakes issues.

PIT6473F

Service Bulletin/Repair Instructions

This PI was created to help avoid unnecessary front camera module replacements

PIT6532

Service Bulletin/Repair Instructions

The purpose of this PI is to inform dealer technicians of a normal cab pressure relief valve noise to avoid unnecessary part replacement

PIT5544J

Service Bulletin/Repair Instructions

This Preliminary information communicates information on a hydraulic rush type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made.  The noise is most noticeable in the cab at idle, in park, with all accessories turned off.

PIT6523

Service Bulletin/Repair Instructions

This PI provides diagnostic steps for dealer technicians to verify the condition and ensure that part replacement is necessary

PIT5509M

Service Bulletin/Repair Instructions

This PI provides diagnostic tips for diagnosing electric trailer brakes issues.

PIT5689N

Service Bulletin/Repair Instructions

This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap. Temporarily on hold while PIE0572 is active. PIE0572 has now ended and reinstating the PI.

PIT3271Q

Service Bulletin/Repair Instructions

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

PIT6473E

Service Bulletin/Repair Instructions

This PI was created to help avoid unnecessary front camera module replacements

PIT6473D

Service Bulletin/Repair Instructions

This PI was created to help avoid unnecessary front camera module replacements

PIT6473C

Service Bulletin/Repair Instructions

This PI was created to help avoid unnecessary front camera module replacements

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.

PIT6473B

Service Bulletin/Repair Instructions

This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD

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

PIT5697E

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

PIT5744F

Service Bulletin/Repair Instructions

This Preliminary information communicates information on how to disable the Side Blind Zone Detection and Park Assist systems when a customer removes the pickup box from the vehicle to install an aftermarket bed or body.

PIT6489

Service Bulletin/Repair Instructions

This preliminary information communicates an issue with the engine running after the ignition is turned off and diagnostic help to isolate a possible Fuel Pump Control Module issue.

PIT4506J

Service Bulletin/Repair Instructions

This Preliminary Information communication provides information to the technician that some owners of Heavy Duty Trucks and Utilities may ask if they can lower their tire pressures. Tire pressures being set to the "Tire and Loading Label" will ensure the safe handling and ride characteristics of the truck and should not be lowered.

PIT6483

Service Bulletin/Repair Instructions

This preliminary information communicates an issue with aftermarket LED headlights causing IPC warning messages and MIL along with several low speed lan DTCs.

PIT6400A

Service Bulletin/Repair Instructions

This PI Communications information on an alternative product dealers can use to perform 19-NA-255: Wax Coating on Frame Peeling, Metal Shows Corrosion/Rusting due to issue with getting product from current supplier listed in the bulletin.

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

PIT6344A

Service Bulletin/Repair Instructions

This Preliminary information communicates an issue with blower motor speed changing when air flow is blocked by snow.

PIP6098

Service Bulletin/Repair Instructions

This PI advised dealer technicians of possible causes of diesel fuel contamination in gasoline powered vehicles and advises of warranty direction.

PIP4902U

Service Bulletin/Repair Instructions

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

PIT5828E

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.

PIT6276B

Service Bulletin/Repair Instructions

This Preliminary information communicates an issue with a service keyless entry message caused by aftermarket door handle covers and they should be removed.

PIT5689M

Service Bulletin/Repair Instructions

This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap. Temporarily on hold while PIE0572 is active. PIE0572 has now ended and reinstating the PI.

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

N242454441 -03

Service Campaign

Certain vehicles listed above, may have a condition where the transmission control valve has worn, resulting in a gradual loss of pressure within the valve. The effects can cause harsh shifting, setting a service engine soon message, reduced engine performance or P0747 diagnostic trouble code. Dealers are to install a new control valve body. The repairs will be made at no charge to the customer.

PIT6440

Service Bulletin/Repair Instructions

The Driver Information Center may display a message of Transport Mode On after the ignition is cycled.

13598

Other

New Vehicle Monitoring Programs Section in IVH

PIT5479H

Service Bulletin/Repair Instructions

This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. The substance is actually excess assembly grease from the caliper boot and piston.

22-NA-080

Service Bulletin/Repair Instructions

This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of engine related shudder.

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.

PIT6396A

Service Bulletin/Repair Instructions

This PI communicates an issue with a SES MIL with DTC P2535, P12A6, P10DA and/or C111B maybe set after replacing the fuel pump driver module. Engineering is working on a fix, but in the meantime, dealers are to install a diode.

PIT5161L

Service Bulletin/Repair Instructions

This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or on launch. Dealer should communicate to the customer this condition is a normal operating characteristic

PIP5865E

Service Bulletin/Repair Instructions

This Preliminary information communicates the possibility of DTC P30BF failing on low mile vehicles due to the possibility of the cylinder 1/2 sliding barrel binding on intake camshaft.

PIP5601B

Service Bulletin/Repair Instructions

This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.

PIT6405

Service Bulletin/Repair Instructions

This PI is to inform dealers of a possible issue with an LVDS cable causing the radio to come on unwanted

N252494770-01

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 affected vehicles will be mailed an owner’s manual and warranty insert containing this information in English and Spanish.

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.

PIT6400

Service Bulletin/Repair Instructions

This PI Communications information on an alternative product dealers can use to perform 19-NA-255: Wax Coating on Frame Peeling, Metal Shows Corrosion/Rusting due to issue with getting product from current supplier listed in the bulletin.

PIT6396

Service Bulletin/Repair Instructions

This PI communicates an issue with a SES MIL with DTC P2535, P12A6, P10DA and/or C111B maybe set after replacing the fuel pump driver module. Engineering is working on a fix, but in the meantime, dealers are to install a diode.

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.

24-NA-262

Service Bulletin/Repair Instructions

This bulletin helps aid the tech in possible 10L100 transmission noise that may be normal or abnormal depending on the concern noted.

07-08-42-006U

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.

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-170

Service Bulletin/Repair Instructions

This bulletin advises the tech to inspect deeper into what may be to main cause of an engine failure.

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.

21-NA-238

Service Bulletin/Repair Instructions

This technical bulletin provides a procedure to inspect the front pump of the transmission for a possible leak.

25-NA-114

Service Bulletin/Repair Instructions

This informational bulletin provides information on Anti-Chip Coating Appearance.

25-NA-118

Service Bulletin/Repair Instructions

This service bulletin provides information for the technicians to use a Customer Concern Verification sheet to facilitate the questions needing to be answered by the customer regarding Automatic Emergency Braking (AEB) issues.

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.

PIP5810C

Service Bulletin/Repair Instructions

This Preliminary information communicates that the tool for the HD transfer cases to install the input seal during a repair is incorrect and a new tool is in development.

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.

21-NA-166

Service Bulletin/Repair Instructions

This informational bulletin provides information on the turn signal stalk not cancelling and/or mis cancelling.

PIP5926D

Service Bulletin/Repair Instructions

This Preliminary information communicates that the t-case input seal, and/or the o-ring most likely is the source of the leak between the transmission and the t-case.

PIT5551R

Service Bulletin/Repair Instructions

This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting.  This is normal when the FAB has been set to  "Alert".

13-02-32-001H

Service Bulletin/Repair Instructions

This service bulletin provides a procedure to flush and bleed power steering system to correct a power steering noise or fluid leak concern that is caused during extremely low temperatures.

24-NA-229

Service Bulletin/Repair Instructions

This bulletin provides a procedure on how to check for a battery drain utilizing the Picoscope and how to measure the load on the system that may be causing a drain.

07-00-89-037W

Service Bulletin/Repair Instructions

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

PIT5986D

Service Bulletin/Repair Instructions

This Preliminary information communicates a diagnostic tip for a thump, click, pop, clunk type noise that is heard from the front end.   Dealers are to inspect for something contacting the grill shutters as they open and close.

22-NA-183

Service Bulletin/Repair Instructions

This service bulletin advises the technician of a different tire/rim option that can be used to correct a customer concern of poor ride quality at highway speeds.

25-NA-087

Service Bulletin/Repair Instructions

This service bulletin provides information on the proper Reflective High Temperature Heat and/or Insulating Tape to use for certain repairs, such as Wiring Harness Repairs.

13-08-116-001K

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.

07-08-42-006T

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.

23-NA-185

Service Bulletin/Repair Instructions

This service bulletin helps diagnose/reduce possible CCND issues on Transfer Cases - Service 4WD on DIC, Intermittent Failures, Noise Concerns, Driveline/Steering Vibration/Shudder, Intermittent DTCs/MIL Illuminated, Engagement/Disengagement/Ratcheting Concerns.

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.

23-NA-073

Service Bulletin/Repair Instructions

This technical bulletin provides repair information to correct a customer concern of Evaporative DTCs P0442, P0446, P0455 or P0449, Caused by Dust Intrusion into the Evaporative Canister.

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.

19-NA-255

Service Bulletin/Repair Instructions

This service 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).

17-NA-073

Service Bulletin/Repair Instructions

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

24-NA-046

Service Bulletin/Repair Instructions

This technical bulletin provides a procedure to correct the condition of Suction Cup Marks on Window Glass.

PIP5901B

Service Bulletin/Repair Instructions

This Preliminary information communicates that the tool for the HD transfer cases to measure clutch pack shim selection is in development.

PIT5689L

Service Bulletin/Repair Instructions

This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap. Temporarily on hold while PIE0572 is active.  PIE0572 has now ended and reinstating the PI.

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).

PIE0818

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 regard to the outside rearview mirror skull cap missing.

PIT6344

Service Bulletin/Repair Instructions

This Preliminary information communicates an issue with blower motor speed changing when air flow is blocked by snow.

PIT4506H

Service Bulletin/Repair Instructions

This Preliminary Information communication provides information to the technician that some owners of Heavy Duty Trucks and Utilities may ask if they can lower their tire pressures. Tire pressures being set to the "Tire and Loading Label" will ensure the safe handling and ride characteristics of the truck and should not be lowered.

05-08-51-001L

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.

22-NA-068

Service Bulletin/Repair Instructions

This technical bulletin provides repair information to correct a customer concern of Diagnostic Tips For Park Assist Off Message / Unwanted Or False Park Assist Alerts / No DTCs.

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.

PIT5551Q

Service Bulletin/Repair Instructions

This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting.  This is normal when the FAB has been set to  "Alert".

PIT6276A

Service Bulletin/Repair Instructions

This Preliminary information communicates an issues with a service keyless entry message caused by aftermarket door handle covers and they should be removed.

21-NA-138

Service Bulletin/Repair Instructions

This service bulletin provides a repair procedure to correct a customer concern of a Squeak, Grind or Clunking Noise from Rear Leaf Springs.

07-00-89-037V

Service Bulletin/Repair Instructions

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

20-NA-175

Service Bulletin/Repair Instructions

This technical bulletin provides repair information to correct a customer concern of vertical misalignment between cab and pickup box on driver side of vehicle.

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.

23-NA-064

Service Bulletin/Repair Instructions

This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships.

PIT5689K

Service Bulletin/Repair Instructions

This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap. Temporarily on hold while PIE0572 is active.  PIE0572 has now ended and reinstating the PI.

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.

N242454441-02

Service Campaign

Certain vehicles listed above, may have a condition where the transmission control valve has worn, resulting in a gradual loss of pressure within the valve. The effects can cause harsh shifting, setting a service engine soon message, reduced engine performance or P0747 diagnostic trouble code. This special coverage covers the condition described above for a period of 15 years or 150,000 miles (240,000km), whichever occurs first, from the date the vehicle was originally placed in service, regardless of ownership. For vehicles covered by Vehicle Service Contracts, all eligible claims with repair orders on or after November 26, 2024, are covered by this special coverage and must be submitted using the labor operation codes provided with this bulletin. Claims with repair orders prior to November 26, 2024, must be submitted to the Service Contract provider. Vehicle owners or lessees who paid for repairs referenced in this Special Coverage (“Customers”) are eligible for reimbursement of their reasonable and customary expenses in accordance with the procedures specified below. The conditional right to reimbursement is provided by GM solely in the interest of customer satisfaction and is personal to Customers. Customers may not assign and GM does not consent to any assignment of any Customer’s right to submit reimbursement claims, or to receive reimbursement, or any other rights granted by this Special Coverage to any third party, including but not limited to service contract providers, and this Special Coverage is not intended to and does not confer any third party beneficiary, subrogation or contribution rights, or any other rights to reimbursement, against GM, whether in law, equity or otherwise, on any third parties. Dealers are to install a new control valve body. The repairs will be made at no charge to the customer.

01-08-42-001Q

Service Bulletin/Repair Instructions

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

PIT5544H

Service Bulletin/Repair Instructions

This Preliminary information communicates information on a hydrauilc rush type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made.  The noise is most noticeable in the cab at idle, in park, with all accessories turned off.

17-NA-350

Service Bulletin/Repair Instructions

This informational bulletin provides explanation of a normal condition of a loose fitting trailer hitch receiver in the gooseneck hitch ball.

22-NA-172

Service Bulletin/Repair Instructions

This technical bulletin provides repair information to correct a customer concern of Trailer Tire Pressure Only Reading Up To 100 PSI, New Parts To Increase To 147 PSI.

21-NA-155

Service Bulletin/Repair Instructions

This informational bulletin advises the technician to check for faults that may be caused by the trailer otherwise found by a possible faulty trailer connector.

24-NA-239

Service Bulletin/Repair Instructions

This informational bulletin provides a guide on how to diagnose and test for vibrations utilizing the PicoScope.

18-NA-011

Service Bulletin/Repair Instructions

Informational bulletin explaining how a plow may cause overheating and engine damage when traveling over 45 mph.

22-NA-150

Service Bulletin/Repair Instructions

This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset.

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.

22-NA-218

Service Bulletin/Repair Instructions

This informational bulletin advises the technician on normal noises produced by the engine and to explain this to the customer.

PIT5828D

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.

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.

21-NA-091

Service Bulletin/Repair Instructions

This service bulletin provides information for customers/dealers/technicians on Normal Camera Display Operation - Flashing Diamond - Spot - or UFO like image on Camera Display.

03-06-01-023I

Service Bulletin/Repair Instructions

This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.

PIT5386K

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.

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).

N242454441-01

Service Campaign

Certain vehicles listed above, may have a condition where the transmission control valve has worn, resulting in a gradual loss of pressure within the valve. The effects can cause harsh shifting, setting a service engine soon message, reduced engine performance or P0747 diagnostic trouble code. This special coverage covers the condition described above for a period of 15 years or 150,000 miles (240,000km), whichever occurs first, from the date the vehicle was originally placed in service, regardless of ownership. For vehicles covered by Vehicle Service Contracts, all eligible claims with repair orders on or after November 26, 2024, are covered by this special coverage and must be submitted using the labor operation codes provided with this bulletin. Claims with repair orders prior to November 26, 2024, must be submitted to the Service Contract provider. Vehicle owners or lessees who paid for repairs referenced in this Special Coverage (“Customers”) are eligible for reimbursement of their reasonable and customary expenses in accordance with the procedures specified below. The conditional right to reimbursement is provided by GM solely in the interest of customer satisfaction and is personal to Customers. Customers may not assign and GM does not consent to any assignment of any Customer’s right to submit reimbursement claims, or to receive reimbursement, or any other rights granted by this Special Coverage to any third party, including but not limited to service contract providers, and this Special Coverage is not intended to and does not confer any third party beneficiary, subrogation or contribution rights, or any other rights to reimbursement, against GM, whether in law, equity or otherwise, on any third parties. Dealers are to install a new control valve body. The repairs will be made at no charge to the customer.

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.

PIT5697D

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

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.

21-NA-275

Service Bulletin/Repair Instructions

This service bulletin provides repair information to correct customer concerns of Wheel Lock Up, ABS Event, Loud Bang and a Flashing “D” on Driver Information Center (DIC) when Lightly or Moderately Accelerating Forcing an 8-7 or 8-6 Downshift.

N242454441

Service Bulletin/Repair Instructions

Certain vehicles listed above, may have a condition where the transmission control valve has worn, resulting in a gradual loss of pressure within the valve. The effects can cause harsh shifting, setting a service engine soon message, reduced engine performance or P0747 diagnostic trouble code. This special coverage covers the condition described above for a period of 15 years or 150,000 miles (240,000km), whichever occurs first, from the date the vehicle was originally placed in service, regardless of ownership. For vehicles covered by Vehicle Service Contracts, all eligible claims with repair orders on or after November 26, 2024, are covered by this special coverage and must be submitted using the labor operation codes provided with this bulletin. Claims with repair orders prior to November 26, 2024, must be submitted to the Service Contract provider. Vehicle owners or lessees who paid for repairs referenced in this Special Coverage (“Customers”) are eligible for reimbursement of their reasonable and customary expenses in accordance with the procedures specified below. The conditional right to reimbursement is provided by GM solely in the interest of customer satisfaction and is personal to Customers. Customers may not assign and GM does not consent to any assignment of any Customer’s right to submit reimbursement claims, or to receive reimbursement, or any other rights granted by this Special Coverage to any third party, including but not limited to service contract providers, and this Special Coverage is not intended to and does not confer any third party beneficiary, subrogation or contribution rights, or any other rights to reimbursement, against GM, whether in law, equity or otherwise, on any third parties. Dealers are to install a new control valve body. The repairs will be made at no charge to the customer.

17-NA-374

Service Bulletin/Repair Instructions

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

22-NA-238

Service Bulletin/Repair Instructions

This service bulletin provides diagnostic/repair information to correct a customer concern of Cellphone not Charging or USB Receptacle Inoperative.

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.

23-NA-167

Service Bulletin/Repair Instructions

This informational bulletin provides information on Outside Rear View Mirror Defog or Defrost Times Different for Passenger and Driver Mirrors.

12-08-51-002R

Service Bulletin/Repair Instructions

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

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.

PIT5909C

Service Bulletin/Repair Instructions

This Preliminary information communicates that it is normal for the tailgate to drop faster than it used to after the GM Accessory Kicker Audio System is installed.

22-NA-092

Service Bulletin/Repair Instructions

This informational bulletin provides an optional repair using a different set of brakes that may correct the customers concern of Early Brake Wear in Harsh Environments.

24-NA-225

Service Bulletin/Repair Instructions

This bulletin provides information on how to look for and test for DEF or water in the fuel system and what the specs should be.

PIT6259

Service Bulletin/Repair Instructions

This Preliminary information communicates information on faulty replacement K111 Fuel Pump Driver Control Module.

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).

24-NA-196

Service Bulletin/Repair Instructions

This informational bulletin advises the tech and the customer of a normal DEF operation while under high load conditions and when the time is right to fill the DEF at that time frame.

03-06-01-023H

Service Bulletin/Repair Instructions

This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.

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.

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.

17-NA-302

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.

23-NA-219

Service Bulletin/Repair Instructions

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

24-NA-197

Service Bulletin/Repair Instructions

This technical bulletin provides a procedure to correct the condition of Malfunction Indicator Lamp Illuminated with DTCs P2463 P2459 P11FB P11D3.

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.

21-NA-120

Service Bulletin/Repair Instructions

This service bulletin provides a Diagnostic Tip for Noise, Vibration, and/or Harshness Issues/Clunk Noise Heard During Coast Down Event after the transfer case was removed from the transmission and reinstalled during a recent repair.

PIT5689J

Service Bulletin/Repair Instructions

This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap. Temporarily on hold while PIE0572 is active.  PIE0572 has now ended and reinstating the PI.

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).

PIP5901A

Service Bulletin/Repair Instructions

This Preliminary information communicates that the tool for the HD transfer cases to measure clutch pack shim selection is in development.

07-00-89-036K

Service Bulletin/Repair Instructions

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

24-NA-185

Service Bulletin/Repair Instructions

This informational bulletin provides information on Steering Bump or Clunk Noise on Rough Roads or Potholes.

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).

23-NA-142

Service Bulletin/Repair Instructions

This technical bulletin provides a procedure for the techs to replace the forward check ball and separator plate if found the cause of the customers concern of No Forward Gear When Shifting from Park to Drive and/or Reverse to Drive.

PIP5992

Service Bulletin/Repair Instructions

This Preliminary information communicates the results if an in-correct P/N Stator Shaft Support  was installed during a transmission repair attempt.

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.

PIT6198

Service Bulletin/Repair Instructions

This Preliminary information communicates a diagnostic tip for an SES MIL at startup with DTC U0100.  Dealer are to test the accessory wake up circuit to the ECM for power.

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.

PIP5991

Service Bulletin/Repair Instructions

This Preliminary information communicates to the dealer technician to reference the electronic parts catalog to check the EGR valve part number that was installed.

PIT5689H

Service Bulletin/Repair Instructions

This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap. Temporarily on hold while PIE0572 is active.  PIE0572 has now ended and reinstating the PI.

PIT5918B

Service Bulletin/Repair Instructions

This Preliminary information communicates an issue where GM Accessory Illuminated Emblem may cause an issue with the left headlight/turn signal and dealership are to disable the Accessory Illuminated Emblem until a fix is available.

18-NA-150

Service Bulletin/Repair Instructions

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

PIP5926C

Service Bulletin/Repair Instructions

This Preliminary information communicates that the t-case input seal, and/or the o-ring most likely is the source of the leak between the transmission and the t-case.

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.

20-NA-038

Service Bulletin/Repair Instructions

This informational bulletin explains the difference in AFM and DFM engines and what is and is not activated during this occurrence.

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.

20-NA-022

Service Bulletin/Repair Instructions

This technical bulletin provides a procedure to re-torque the leaf spring u bolts to correct a condition of Clunking Noise from Rear of Vehicle (Re-torque Leaf Spring Bolts).

24-NA-124

Service Bulletin/Repair Instructions

This technical bulletin provides repair information to correct a customer concern of Malfunction Indicator Lamp Illuminated, Stall, or No Start with DTC P2534, U3023, P0700, P129D, P10DB (w/ L5P Diesel), P103B, P17E0.

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.

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.

10-03-10-001G

Service Bulletin/Repair Instructions

This informational bulletin provides information on Wheel Balancer Mounting Instructions.

08-07-30-035H

Service Bulletin/Repair Instructions

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

19-NA-136

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.

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.

N232426401-01

Service Bulletin/Repair Instructions

Customer Satisfaction Program. As a remedy for Safety Recall N232426400, certain vehicles had the liftgate exterior release switch assembly disabled. This Customer Satisfaction Program provides the final repair to restore the function of the disabled liftgate exterior release switch assembly. Dealers will replace the liftgate exterior release switch assembly.

N232426401

Service Bulletin/Repair Instructions

Customer Satisfaction Program. As a remedy for Safety Recall N232426400, certain vehicles had the liftgate exterior release switch assembly disabled. This Customer Satisfaction Program provides the final repair to restore the function of the disabled liftgate exterior release switch assembly. Dealers will replace the liftgate exterior release switch assembly.

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.

PIT6137

Service Bulletin/Repair Instructions

This Preliminary information communicates an issue with clearing DTC: C15DD and how to rest the average release time to clear DTC.

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).

24-NA-044

Service Bulletin/Repair Instructions

This technical bulletin provides repair information to correct a customer concern of U170 Radio Software Update.

PIT5954C

Service Bulletin/Repair Instructions

This Preliminary information communicates a Radio software update resolution for OnStar LED Red And Wifi Hotspot Inoperative After Remote Vehicle Start concern.

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).

PIT5689G

Service Bulletin/Repair Instructions

This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap. Temporarily on hold while PIE0572 is active.  PIE0572 has now ended and reinstating the PI.

PIT5918A

Service Bulletin/Repair Instructions

This Preliminary information communicates an issue where GM Accessory Illuminated Emblem may cause an issue with the left headlight/turn signal and dealership are to disable the Accessory Illuminated Emblem until a fix is available.

PIP5596A

Service Bulletin/Repair Instructions

This Preliminary information communicates that when removing the fuel line jumper hose care should be taken to be sure the line is reinstalled correctly to avoid a no/low fuel pressure situation.

PIT5448J

Service Bulletin/Repair Instructions

This Preliminary Information communication advises the technician with a tip when the vehicle stops running after it has been idling for 2.5 hours. This is normal operation of the vehicle built with regular production code BTM and without Regular Production Option Code AVF. If the vehicle was built with regular production code BTM and AVF only has a 1 hour idle time.

24-NA-020

Service Bulletin/Repair Instructions

This service bulletin provides a repair procedure to correct customer concerns of Service Emissions System Displayed on DIC, MIL Illuminated with DTC P249C and/or P20E8 Set.

PIT5689F

Service Bulletin/Repair Instructions

This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap. Temporarly on hold while PIE0572 is active.  PIE0572 has now ended and reinstating the PI.

PIT4322P

Service Bulletin/Repair Instructions

This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Technician may find a Diagnostic Trouble Code C0710. Technician should inspect for vehicles modifications before any in-depth diagnostics are performed.

PIT5551N

Service Bulletin/Repair Instructions

This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting.  This is normal when the FAB has been set to  "Alert".

PIT5744D

Service Bulletin/Repair Instructions

This Preliminary information communicates information on how to disable the Side Blind Zone Detection and Park Assist systems when a customer removes the pickup box from the vehicle to install an aftermarket bed or body.

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.

PIT5479F

Service Bulletin/Repair Instructions

This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. The substance is actually excess assembly grease from the caliper boot and piston installation. This grease can be cleaned off and the rest of the service completed.

16-NA-338

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.

PIT4506G

Service Bulletin/Repair Instructions

This Preliminary Information communication provides information to the technician that some owners of Heavy Duty Trucks and Utilities may ask if they can lower their tire pressures. Tire pressures being set to the "Tire and Loading Label" will ensure the safe handling and ride characteristics of the truck and should not be lowered.

PIT6122

Service Bulletin/Repair Instructions

This Preliminary information communicates to dealers of a known issue with failed map update

23-NA-055

Service Bulletin/Repair Instructions

This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) – FAQs.

PIT5702E

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

PIT6119

Service Bulletin/Repair Instructions

This Preliminary information communicates an issue where the minor tailgate will not open due to an aftermarket device installed on the vehicle.

23-NA-189

Service Bulletin/Repair Instructions

This service bulletin assists technicians in setting up PicoScope hardware/software to monitor CAN bus traffic (voltage patterns) to aid Technical Assistance (TAC) and Field Service Engineers (FSEs) in diagnosing electrical issues present on network communication circuits.

PIP5810B

Service Bulletin/Repair Instructions

This Preliminary information communicates that the tool for the HD transfer cases to install the input seal during a repair is incorrect and a new tool is in development.

22-NA-112

Service Bulletin/Repair Instructions

This technical bulletin provides repair information to correct a customer concern of 2020 - 2022 Silverado and Sierra Equipped with Diesel Engine Setting DTCs P20BB or P20C3.

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.

PIT5161K

Service Bulletin/Repair Instructions

This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or on launch. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle. The bump clunk issue may be due to fuel movement in the fuel tank when not completely full. The condition is eliminated after completely filling the fuel tank.

PIT5733D

Service Bulletin/Repair Instructions

This Preliminary information provides information to the technician on installing a roof beacon light. Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 157. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."

PIT5743D

Service Bulletin/Repair Instructions

This Preliminary information communicates diagnostic tips when trying to root cause a SES MIL with DTC's B2B0D and B2B0E.  Main cause is aftermarket electrical devices spliced into the ignition main fuses.

PIT5828C

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.

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).

PIT5386J

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.

PIT5074P

Service Bulletin/Repair Instructions

This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking tension or probing the .64 series terminals. The test probe terminal has been released in the terminal repair kit (J-38125-620H) located in Lear Tray 7 part number 963716-2. There are 5 terminated leads in a package part number is 13505346, which can be ordered through your normal General Motors Customer Care and Aftersales parts channel.

PIT5962A

Service Bulletin/Repair Instructions

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

PIT6096

Service Bulletin/Repair Instructions

This Preliminary information communicates a diagnostic tip for the 110 /120 volt power outlets being inoperative and dealerships should try a battery disconnect to see if the concern goes away.

PIP5847B

Service Bulletin/Repair Instructions

This Preliminary information communicates the possibility of a misfire or rough running concern and abnormal engine noise due to excessive wear in exhaust roller follower axle pin.

PIT5214F

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.

PIT5551M

Service Bulletin/Repair Instructions

This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting.  This is normal when the FAB has been set to  "Alert".

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.

23-NA-112

Service Bulletin/Repair Instructions

This technical bulletin provides a procedure to correct the condition of Inadvertent/Unwanted Tail Gate Opening.

PIP5949

Service Bulletin/Repair Instructions

This Preliminary information communicates to the dealer, a potential rough running condition following an autostop event that is caused by the incorrect crankshaft position sensor.

PIT5736C

Service Bulletin/Repair Instructions

This Preliminary information communicates how the HVAC setting operates during a remote vehicle start.

21-NA-228

Service Bulletin/Repair Instructions

This bulletin provides a procedure to program the BCM to correct the customers concern of RKE idle Time-out.

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).

22-NA-225

Service Bulletin/Repair Instructions

This information bulletin advises the technician the difference between a welch cap leak and the output seal of the t-case or transmission leaking ATF, causing the customer concern of a Red Fluid Leak from Center of Vehicle Located by Rear of Transmission or Transfer Case Area.

PIT5636D

Service Bulletin/Repair Instructions

This Preliminary information communicates an issues with a SES MIL and DTC P1005 and to replace the fuel pump driver control module with an updated part number.

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).

PIT5099G

Service Bulletin/Repair Instructions

This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.

PIT5698D

Service Bulletin/Repair Instructions

This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus.

07-08-49-020R

Service Bulletin/Repair Instructions

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

20-NA-142

Service Bulletin/Repair Instructions

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

23-NA-150

Service Bulletin/Repair Instructions

This technical bulletin provides repair information to correct a customer concern of Teen Driver Feature Not Limiting Speed Correctly.

PIT5551L

Service Bulletin/Repair Instructions

This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting.  This is normal when the FAB has been set to  "Alert".

PIP5621D

Service Bulletin/Repair Instructions

This Preliminary information communicates to the dealer  technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. TAC is requesting the GDS2 session logs be sent in before the dealer contacts TAC.

22-NA-187

Service Bulletin/Repair Instructions

This informational bulletin advises the tech to inspect the transfer case motor electrical connectors for possible damage or corrosion that might be caused by a damage grommet inside the electrical connector.

21-NA-067

Service Bulletin/Repair Instructions

This technical bulletin provides repair information to correct a customer concern of the foam strip between the I/P trim and base of the windshield detaching from the upper I/P trim panel.

23-NA-144

Service Bulletin/Repair Instructions

This technical bulletin provides information and a solution to a condition of Brake Pedal Moves or Self Applies at Full Turns.

09-00-89-016H

Service Bulletin/Repair Instructions

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

21-NA-214

Service Bulletin/Repair Instructions

This technical bulletin provides repair information to correct a customer concern of Service Engine Soon Lamp being illuminated. They may also comment on multiple transmission issues including harsh or delayed shifts, slip, surge, shudder, noise, whine, growl, shake and/or vibration. As well as the exhaust brake not working or that they do not feel it. Technicians may find DTCs P2002, P2463, P2459, P144E, P0421, P0422, P0106 P20EE, P129F, P16F3, P20FF, P226D, P249D, P249E, P11CC and / or P11D5.

PIP5628G

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

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.

PIP5847A

Service Bulletin/Repair Instructions

This Preliminary information communicates the possibility of a misfire or rough running concern and abnormal engine noise due to excessive wear in exhaust roller follower axle pin.

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.

03-06-04-017T

Service Bulletin/Repair Instructions

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

04-06-04-051H

Service Bulletin/Repair Instructions

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

03-06-01-023G

Service Bulletin/Repair Instructions

This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.

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.

PIT5909B

Service Bulletin/Repair Instructions

This Preliminary information communicates that it is normal for the tailgate to drop faster than it used to after the GM Accessory Kicker Audio System is installed.

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.

PIP5358C

Service Bulletin/Repair Instructions

This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Technician should get record a sound clip or take a video of the noise for assessment by engineering. Technician will need to call General Motors Technical Assistance Center for further assistance.

PIT5551K

Service Bulletin/Repair Instructions

This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting.  This is normal when the FAB has been set to  "Alert".

21-NA-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.

07-08-42-006S

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.

PIP4902R

Service Bulletin/Repair Instructions

This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.

PIT5990A

Service Bulletin/Repair Instructions

This Preliminary information communicates an issue with a wind noise while driving at highway speeds and dealers are to inspect the body harness pass through for being full seated into the cowl.

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.

21-NA-005

Service Bulletin/Repair Instructions

This technical bulletin provides a procedure to replace the air bag and air bag harness to correct a condition of Airbag Malfunction Warning and Airbag Malfunction Indicator Illuminated with DTC B0001-1B due to corrosion.

PIP5926B

Service Bulletin/Repair Instructions

This Preliminary information communicates that the t-case input seal, and/or the o-ring most likely is the source of the leak between the transmission and the t-case.

PIT5697C

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

PIP5926A

Service Bulletin/Repair Instructions

This Preliminary information communicates that the t-case input seal, and/or the o-ring most likely is the source of the leak between the transmission and the t-case.

21-NA-061

Service Bulletin/Repair Instructions

This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs.

PIT4261J

Service Bulletin/Repair Instructions

This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Dealer should communicate to the customer that slight sidewall indentations are a common characteristic of radial tire construction.

04-07-30-013E

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.

PIP5926

Service Bulletin/Repair Instructions

This Preliminary information communicates that the t-case input seal, and/or the o-ring most likely is the source of the leak between the transmission and the t-case.

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).

23-NA-062

Service Bulletin/Repair Instructions

This service bulletin provides repair information to correct a customer concern of Rear View Camera Issues - DTCs B395A, B395B, B395C, B101E, B101D.

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.

PIP5925

Service Bulletin/Repair Instructions

This Preliminary information communicates to the dealer technician that engineering is aware of a concern with the teen driver feature not operating.

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).

PIT5509K

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.

PIT5544G

Service Bulletin/Repair Instructions

This Preliminary information communicates information on a hydrauilc rush type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made.  The noise is most noticeable in the cab at idle, in park, with all accessories turned off.

PIT5909A

Service Bulletin/Repair Instructions

This Preliminary information communicates that it is normal for the tailgate to drop faster than it used to after the GM Accessory Kicker Audio System is installed.

PIT3665M

Service Bulletin/Repair Instructions

This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn.

PIC5650K

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, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency Identification Devices when the concern is present. Dealer should also direct their customers to the appropriate section in the Owner manuals that references that the device complies.

PIT3227S

Service Bulletin/Repair Instructions

This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Please communicate to the customer this condition is a normal operating characteristic of their vehicle.

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).

PIT5509J

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.

PIP5628F

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

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).

PIT5970B

Service Bulletin/Repair Instructions

This Preliminary information communicates information to the technician that if they receive a vehicle with this concern and verifying the rear view camera is zoomed in, General Motors is aware of this and have created a repair.

04-00-89-015Z

Service Bulletin/Repair Instructions

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

PIT5970A

Service Bulletin/Repair Instructions

This Preliminary information communicates information to the technician that if they receive a vehicle with this concern and verifying the rear view camera is zoomed in, General Motors is aware of this and have created a repair.

PIT5387N

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.

22-NA-085

Service Bulletin/Repair Instructions

This service bulletin provides radio software version 135120 (IOR) update procedures to correct customer concerns of software related issues.

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).

23-NA-053

Service Bulletin/Repair Instructions

This service bulletin provides repair information on Radio Software Version U168 Update to correct customer concerns of radio software issues.

20-NA-198

Service Bulletin/Repair Instructions

This technical bulletin provides repair information to correct a customer concern of seeing the trailer running lights shut off due to excessive load on the running lamp circuit.

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.

PIT5954B

Service Bulletin/Repair Instructions

This Preliminary information communicates an engineering investigation for OnStar LED Red And Wifi Hotspot Inoperative After Remote Vehicle Start concern.

23-NA-056

Service Bulletin/Repair Instructions

This technical bulletin provides a procedure to correct the condition of Wind Whistle Noise at Highway Speeds.

23-NA-059

Service Bulletin/Repair Instructions

This technical bulletin provides a procedure to correct the condition of Gap at Door Armrest Decorative Trim to the Armrest/Door Switch.

22-NA-147

Service Bulletin/Repair Instructions

This technical bulletin provides repair information to correct a customer concern of Service 4–Wheel Drive Message Illuminated in DIC with DTC C15AC Set.

22-NA-148

Service Bulletin/Repair Instructions

This technical bulletin provides repair information to correct a customer concern of Service 4–Wheel Drive Message Illuminated in DIC with DTC C119E Set During Antilock Brake System Event.

PIT5914A

Service Bulletin/Repair Instructions

This Preliminary information communicates a concern on some 2020 Silverado and Sierra trucks where the radio display will go blank when trying to open the trailering app.  Dealers are to reprogram the radio to correct this concern.

PIT5636C

Service Bulletin/Repair Instructions

This Preliminary information communicates an issues with a SES MIL and DTC P1005 and to replace the fuel pump driver control module with an updated part number.

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.

PIT5387M

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.

PIT5750C

Service Bulletin/Repair Instructions

This Preliminary information communicates an issue with the battery goes dead and provides diagnostics tips on inspecting the LIN bus.

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.

13-02-32-001G

Service Bulletin/Repair Instructions

This service bulletin provides a procedure to flush and bleed power steering system to correct a power steering noise or fluid leak concern that is caused during extremely low temperatures.

18-NA-383

Service Bulletin/Repair Instructions

This technical bulletin provides repair information to correct a customer concern of water found in rear interior of cab due to water leak at rear sliding window.

20-NA-141

Service Bulletin/Repair Instructions

This technical bulletin provides repair information to correct a customer concern of the Tri-Fold Tonneau paint finish fading or discolored.

21-NA-110

Service Bulletin/Repair Instructions

This informational bulletin provides information for dealers/technicians on Information on GM Accessories - Instructions on Claim Submission on Dealer-Replaced Tonneau Covers During Warranty Period.

16-NA-130

Service Bulletin/Repair Instructions

This service bulletin provides information for after installation of a replacement upper valve body, the transmission may have no Reverse and no 2nd gear.

15-NA-017

Service Bulletin/Repair Instructions

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

PIT5733C

Service Bulletin/Repair Instructions

This Preliminary information provides information to the technician on installing a roof beacon light. Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 157. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."

PIT5744C

Service Bulletin/Repair Instructions

This Preliminary information communicates information on how to disable the Side Blind Zone Detection and Park Assist systems when a customer removes the pickup box from the vehicle to install an aftermarket bed or body.

PIT5990

Service Bulletin/Repair Instructions

This Preliminary information communicates an issue with a wind noise while driving at highway speeds and dealers are to inspect the body harness pass through for being full seated into the cowl.

PIT5551J

Service Bulletin/Repair Instructions

This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting.  This is normal when the FAB has been set to  "Alert".

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.

PIT4322N

Service Bulletin/Repair Instructions

This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Technician may find a Diagnostic Trouble Code C0710. Technician should inspect for vehicles modifications before any in-depth diagnostics are performed.

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.

PIP5901

Service Bulletin/Repair Instructions

This Preliminary information communicates that the tool for the HD transfer cases to measure clutch pack shim selection is in development.

07-08-42-006R

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.

18-NA-279

Service Bulletin/Repair Instructions

This service bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking.

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

PIP5900

Service Bulletin/Repair Instructions

This Preliminary information communicates to the dealer a diagnostic and repair direction to a possible engine crankshaft bearing failure.

PIP5711C

Service Bulletin/Repair Instructions

This Preliminary information communicates to the dealer technicians a warm engine knock noise has no short or long term effects on the engine. Do not attempt repairs for this noise.

PIT5921A

Service Bulletin/Repair Instructions

This Preliminary information communicates diagnostics aids for rear view camera issues that may be encountered.

PIT5954A

Service Bulletin/Repair Instructions

This Preliminary information communicates an engineering investigation for OnStar LED Red And Wifi Hotspot Inoperative After Remote Vehicle Start concern.

22-NA-115

Service Bulletin/Repair Instructions

This service bulletin provides information for U.S. dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention.

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.

PIT5689E

Service Bulletin/Repair Instructions

This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap. Temporarly on hold while PIE0572 is active.  PIE0572 has now ended and reinstating the PI.

PIT5970

Service Bulletin/Repair Instructions

This Preliminary information communicates information to the technician that if they receive a vehicle with this concern and verifying the rear view camera is zoomed in, General Motors is aware of this and working on a solution for the concern.

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).

PIT5386H

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.

PIT5868B

Service Bulletin/Repair Instructions

This Preliminary information communicates an issues will low or poor heater performance on the drivers side.  Dealers are to inspect the HVAC temperature door linkage and if ok replace the heater core.

PIT5743C

Service Bulletin/Repair Instructions

This Preliminary information communicates diagnostic tips when trying to root cause a SES MIL with DTC's B2B0D and B2B0E.  Main cause is aftermarket electrical devices spliced into the ignition main fuses.

PIT5161J

Service Bulletin/Repair Instructions

This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or on launch. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle. The bump clunk issue may be due to fuel movement in the fuel tank when not completely full. The condition is eliminated after completely filling the fuel tank.

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.

PIP5540J

Service Bulletin/Repair Instructions

This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components. That any of the listed DTC's may set with or without poor engine performance.

21-NA-124

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.

PIT5544F

Service Bulletin/Repair Instructions

This Preliminary information communicates information on a hydrauilc rush type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made.  The noise is most noticeable in the cab at idle, in park, with all accessories turned off.

PIT5746C

Service Bulletin/Repair Instructions

This Preliminary information communicates information on how dealers can contact the supplier for Associated Accessories offered through GM.

PIT5551H

Service Bulletin/Repair Instructions

This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting.  This is normal when the FAB has been set to  "Alert".

PIP5632G

Service Bulletin/Repair Instructions

This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.

PIP4902Q

Service Bulletin/Repair Instructions

This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.

PIT3271N

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-216

Service Bulletin/Repair Instructions

This bulletin advises the technician to Inspect the position of the head gasket locating tabs to determine if the head gasket(s) has been possibly installed backwards to correct a concern of an Engine Thermostat Tick Noise and/or Running Hot.

PIT5959

Service Bulletin/Repair Instructions

This Preliminary Information communication provides information to the technician that if they receive a vehicle with this concern with their vehicles trailer hitch backup camera guideline not centered, General Motors is aware of this and are working on identifying the cause and working on a remedy for this concern

PIT5736B

Service Bulletin/Repair Instructions

This Preliminary information communicates how the HVAC setting operates during a remote vehicle start.

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.

PIT3665L

Service Bulletin/Repair Instructions

This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn.

22-NA-201

Service Bulletin/Repair Instructions

This technical bulletin provides repair information to correct a customer concern of MIL L5P ECM/TCM Update with DTCs Set.

PIT5702D

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

21-NA-006

Service Bulletin/Repair Instructions

This bulletin provides a possible location of a bad connection at the reductant fluid tanks electrical connector.

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).

PIT5954

Service Bulletin/Repair Instructions

This Preliminary information communicates an engineering investigation for OnStar LED Red And Wifi Hotspot Inoperative After Remote Vehicle Start concern.

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.

PIP5882

Service Bulletin/Repair Instructions

This Preliminary information communicates diagnostic aid to help isolate possible repeat thermal by-pass valve concern.

PIC5453D

Service Bulletin/Repair Instructions

This Preliminary Information communication provides information to the technician that General Motors and General Motors of Canada Company do not support cross border sales. The General Motors of Canada Customer Care Centre is the sole authorized provider of a certification confirmation letter which helps our customers identify if their vehicles meets the required USA regulatory standards necessary for importation into the USA.

PIE0665C

Service Bulletin/Repair Instructions

This engineering information (EI) closure ends the need for further information from the field in regards to Service Engine Soon (SES) Lamp illuminated and/or “Service Emissions System” message on the Driver Information Center (DIC).

22-NA-185

Service Bulletin/Repair Instructions

This informational bulletin explains how the trans slip or flare can be a normal condition.

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.

PIT5698C

Service Bulletin/Repair Instructions

This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus.

03-06-04-017R

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).

PIP5810A

Service Bulletin/Repair Instructions

This Preliminary information communicates that the tool for the HD transfer cases to install the input seal during a repair is incorrect and a new tool is in development.

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.

PIP5621C

Service Bulletin/Repair Instructions

This Preliminary information communicates to the dealer  technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. TAC is requesting the GDS2 session logs be sent in before the dealer contacts TAC.

00-06-01-012L

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.

21-NA-182

Service Bulletin/Repair Instructions

This service bulletin provides repair information to correct a customer concern of Radio System Settings Lost or Returning to Default Values.

PIE0665B

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 Service Engine Soon (SES) Lamp illuminated and/or “Service Emissions System” message on the Driver Information Center (DIC).

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.

PIP5640A

Service Bulletin/Repair Instructions

This Preliminary Information communication provides information to the technician to not remove the torque converter bolts and start the engine as this may cause damage to the torque converter of the crankshaft on vehicles equipped with an automatic transmission.

03-06-01-023F

Service Bulletin/Repair Instructions

This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.

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-105

Service Bulletin/Repair Instructions

This technical bulletin provides repair information to correct a customer concern of 360 Camera Views go Blank with Tailgate Removed.

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.

21-NA-027

Service Bulletin/Repair Instructions

This technical bulletin provides a procedure to install 2 way tape to correct a condition of Trailering Connector Loose Within Rear Bumper.

21-NA-199

Service Bulletin/Repair Instructions

This informational bulletin advises the technician to replace the TBV if the transmission has any type of repair even if no problem was found, to replace the tbv.

22-NA-161

Service Bulletin/Repair Instructions

This informational bulletin provides information for dealers/technicians on power folding mirrors do not fold at the same speed.

PIT5853A

Service Bulletin/Repair Instructions

This Preliminary information communicates information on correcting a rattle noise on driver side of cowl heat shield.

04-00-89-015X

Service Bulletin/Repair Instructions

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

PIT5569B

Service Bulletin/Repair Instructions

This Preliminary information communicates direction and examples when diagnosing multiple DTCs, one of which includes U**** Byte 71 DTC.

PIT4261H

Service Bulletin/Repair Instructions

This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Dealer should communicate to the customer that slight sidewall indentations are a common characteristic of radial tire construction.

22-NA-135

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.

PIC5260F

Service Bulletin/Repair Instructions

This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.

22-NA-123

Service Bulletin/Repair Instructions

This technical bulletin provides repair information to correct a customer concern of Black Radio Display Screen and No Communication with the Video Processing Module (VPM).

PIT5448H

Service Bulletin/Repair Instructions

This Preliminary Information communication advises the technician with a tip when the vehicle stops running after it has been idling for 2.5 hours. This is normal operation of the vehicle built with regular production code BTM and without Regular Production Option Code AVF. If the vehicle was built with regular production code BTM and AVF only has a 1 hour idle time.

21-NA-097

Service Bulletin/Repair Instructions

This technical bulletin provides a procedure to install a pice of foam between the heater core pipes to correct the customers concern.

PIT5099F

Service Bulletin/Repair Instructions

This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.

21-NA-077

Service Bulletin/Repair Instructions

This informational bulletin provides information for dealers/technicians on Aero Shutter Related Diagnostic Codes.

PIT5921

Service Bulletin/Repair Instructions

This Preliminary information communicates diagnostics aids for rear view camera issues that may be encountered.

PIE0695A

Service Bulletin/Repair Instructions

This engineering information (EI) closure ends the need for further information from the field in regards Service Emission System and/or DEF Level Low message on driver information center (DIC).

PIE0665A

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 Service Engine Soon (SES) Lamp illuminated and/or “Service Emissions System” message on the Driver Information Center (DIC).

PIP5838B

Service Bulletin/Repair Instructions

This Preliminary information communicates to the dealership technician a change made to the wire harness and reductant control module for the Diesel Exhaust Fluid tank connector.

PIP5358B

Service Bulletin/Repair Instructions

This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Technician should get record a sound clip or take a video of the noise for assessment by engineering. Technician will need to call General Motors Technical Assistance Center for further assistance.

PIP5856

Service Bulletin/Repair Instructions

This Preliminary information communicates provides information to the technician on the use of R-99 or R-95  Renewable diesel fuel.

22-NA-109

Service Bulletin/Repair Instructions

This informational bulletin provides information on Information on Common Customer Trailer Side Faults.

22-NA-110

Service Bulletin/Repair Instructions

THis informational bulletin advises the tech not to replace the exhaust system if they smell plastic or rubber.

20-NA-218

Service Bulletin/Repair Instructions

This service bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended Crank with DTC P12A6.

PIT5918

Service Bulletin/Repair Instructions

This Preliminary information communicates an issue where GM Accessory Illuminated Emblem may cause an issue with the left headlight/turn signal and dealership are to disable the Accessory Illuminated Emblem until a fix is available.

14-06-04-004H

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.

PIT5195G

Service Bulletin/Repair Instructions

This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Dealer should advise the customer the specification for speedometer needle accuracy is +/- 2 MPH at any given speed when looking straight at the needle.

PIE0695

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 Service Emission System and/or DEF Level Low message on driver information center (DIC).

PIT5745D

Service Bulletin/Repair Instructions

This Preliminary information communicates and issue with the memory seat module waking up the low speed GM lan bus and causing a battery draw.

PIT5914

Service Bulletin/Repair Instructions

This Preliminary information communicates a concern on some 2020 Silverado and Sierra trucks where the radio display will go blank when trying to open the trailering app.  Engineerng has root caused the issue, and is working on a software fix.

PIP5851

Service Bulletin/Repair Instructions

This Preliminary information communicates to technicians a replacement DEF tank may have been assembled with the incorrect harness.

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).

PIT5809C

Service Bulletin/Repair Instructions

This Preliminary information communicates an issues with a pop, clunk, knock, rattle type noise heard from the steering column over bumps and ask dealerships to replace the upper column shaft.

20-NA-050

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.

PIT5909

Service Bulletin/Repair Instructions

This Preliminary information communicates that it is normal for the tailgate to drop faster than it used to after the GM Accessory Kicker Audio System is installed.

03-06-01-023E

Service Bulletin/Repair Instructions

This information bulletin explains how to measure for oil consumption and possible reasons for loss of oil.

N212354170-02

Service Bulletin/Repair Instructions

Emission Recall - General Motors has decided to conduct a Voluntary Emissions Recall to improve the operation of the regeneration cycle on certain 2020 Chevrolet Silverado and GMC Sierra vehicles with a 6.6L diesel engine. The recall will address that currently under certain operating conditions, higher than necessary temperatures may be used to clean the Diesel Particulate Filter (DPF) during the regeneration cycle. Dealers are to reprogram the Engine Control Module (ECM) and Transmission Control Module (TCM).

PIP5794B

Service Bulletin/Repair Instructions

This Preliminary information communicates diagnostics to the dealer involving a vehicle shudder concern caused by the camshaft actuator system that can be mistaken for a transmission issue.

PIC5260E

Service Bulletin/Repair Instructions

This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.

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.

PIT3227R

Service Bulletin/Repair Instructions

This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Please communicate to the customer this condition is a normal operating characteristic of their vehicle.

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.

PIT5836

Service Bulletin/Repair Instructions

This Preliminary information communicates and issue with the park assist off message or unwanted/false parking assist alerts and provide diagnostics tip for dealership to inspect the parking assist sensor/bezel mounting in the front and rear bumpers

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-209

Service Bulletin/Repair Instructions

This technical bulletin provides repair information to correct a customer concern of Service 4WD Message illuminated on Driver Information Center (DIC), DTCs C118D, C119B and/or C119C set.

04-06-04-051F

Service Bulletin/Repair Instructions

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

PIP5844

Service Bulletin/Repair Instructions

This Preliminary information communicates the possibility of dtc p06DD due to low or no oil pressure immediately following engine oil and filter change due to oil filter and main oil gallery being drained or empty.

12-08-51-002N

Service Bulletin/Repair Instructions

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

PIP5838A

Service Bulletin/Repair Instructions

This Preliminary information communicates to the dealership technician a change made to the wire harness and reductant control module for the Diesel Exhaust Fluid tank connector.

PIT3271M

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.

PIT5746B

Service Bulletin/Repair Instructions

This Preliminary information communicates information on how dealers can contact the supplier for Associated Accessories offered through GM.

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.

PIP5706A

Service Bulletin/Repair Instructions

This Preliminary information communicates to the dealer a condition with the throttle body that may illuminate the service engine soon light, cause the engine to run rough and/or display reduced engine power message. Dealers are instructed to replace the throttle body assembly and install a grounding wire from the throttle body to the valve cover to prevent future failures.

PIT5750B

Service Bulletin/Repair Instructions

This Preliminary information communicates an issue with the battery goes dead and provides diagnostics tips on inspecting the LIN bus.

PIP5840

Service Bulletin/Repair Instructions

This Preliminary information communicates to technicians to modify the camshaft housing cover insulator by removing the stand off identified in the attached pictures.

PIC6450

Service Bulletin/Repair Instructions

This Preliminary information communicates a process to correct the concern of Unable to contact OnStar after the 3G EOL on 2015-2022 model year vehicles in the United States.

PIP5834A

Service Bulletin/Repair Instructions

This Preliminary information communicates that the service 4wd message related to C119E can be diagnosed and repaired.

21NA182

Service Bulletin/Repair Instructions

This service bulletin provides repair information to correct a customer concern of Radio System Settings Lost or Returning to Default Values.

21NA238

Service Bulletin/Repair Instructions

This technical bulletin provides a procedure to inspect the front pump of the transmission for a possible leak.

21NA214

Service Bulletin/Repair Instructions

This technical bulletin provides repair information to correct a customer concern of Service Engine Soon Lamp being illuminated. They may also comment on multiple transmission issues including harsh or delayed shifts, slip, surge, shudder, noise, whine, growl, shake and/or vibration. As well as the exhaust brake not working or that they do not feel it. Technicians may find DTCs P2002, P2463, P2459, P144E, P0421, P0422, P0106 P20EE, P129F, P16F3, P20FF, P226D, P249D, P249E, P11CC and / or P11D5.

PIP5838

Service Bulletin/Repair Instructions

This Preliminary information communicates to the dealership technician a change made to the wire harness and reductant control module for the Diesel Exhaust Fluid tank connector.

PIT5745C

Service Bulletin/Repair Instructions

This Preliminary information communicates and issue with the memory seat module waking up the low speed GM lan bus and causing a battery draw.

PIT5747B

Service Bulletin/Repair Instructions

This Preliminary information communicates to dealership how to test properly trailer light option on the truck and also provide additional information on trailer issues.

PIP5834

Service Bulletin/Repair Instructions

This Preliminary information communicates that the service 4wd message related to C119E is under investigation for a repair.

PIT5733B

Service Bulletin/Repair Instructions

This Preliminary information provides information to the technician on installing a roof beacon light. Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 157. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."

PIP5833C

Service Bulletin/Repair Instructions

This Preliminary information communicates to technicians to update the program in the reductant controller

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.

21NA228

Service Bulletin/Repair Instructions

This bulletin provides a procedure to program the BCM to correct the customers concern of RKE idle Time-out.

N212342980-01

Service Bulletin/Repair Instructions

Service Update. On certain vehicles equipped with a 6.6L diesel engine (RPO L5P), the DEF tank connector may overheat and set the following diagnostic codes (P10D9, P143C and P10F3), which will result in reduced engine speed. Dealers are to reprogram the reductant control module.

PIT3271L

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.

22NA025

Service Bulletin/Repair Instructions

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

090604026V

Service Bulletin/Repair Instructions

Information.

PIE0664A

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 the Blocked Park Assist Sensor message illuminated on the driver information center (DIC).

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.

PIP5791A

Service Bulletin/Repair Instructions

This Preliminary information communicates to dealership technicians to perform a sweep of the coolant flow control valve and test the circuits before replacing the Engine Coolant Flow Control Valve, and to assist engineering in root causing the P2B60.

PIP5808A

Service Bulletin/Repair Instructions

This Preliminary information communicates to technicians to replace the ECM and affected sensor if diagnostics leads to replacement of the ECM.

PIP5833B

Service Bulletin/Repair Instructions

This Preliminary information communicates to technicians to update the program in the DEF controller

21NA275

Service Bulletin/Repair Instructions

This service bulletin provides repair information to correct customer concerns of Rear Wheel Lock Up, ABS Event, Loud Bang and a Flashing ?D? on Driver Information Center (DIC) when Lightly or Moderately Accelerating Forcing an 8-7 or 8-6 Downshift.

20NA090

Service Bulletin/Repair Instructions

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

PIP5711B

Service Bulletin/Repair Instructions

This Preliminary information communicates to the dealer technicians a warm engine knock noise has no short or long term effects on the engine. Do not attempt repairs for this noise.

PIT4322M

Service Bulletin/Repair Instructions

This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Technician may find a Diagnostic Trouble Code C0710. Technician should inspect for vehicles modifications before any in-depth diagnostics are performed.

N212342980

Service Bulletin/Repair Instructions

On certain vehicles equipped with a 6.6L diesel engine (RPO L5P), the DEF tank connector may overheat and set the following diagnostic codes (P10D9, P143C and P10F3), which will result in reduced engine speed. Dealers are to reprogram the reductant control module.

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.

PIP4902P

Service Bulletin/Repair Instructions

This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.

PIT5386G

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.

PIT5479E

Service Bulletin/Repair Instructions

This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. The substance is actually excess assembly grease from the caliper boot and piston installation. This grease can be cleaned off and the rest of the service completed.

PIP4723F

Service Bulletin/Repair Instructions

This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester  and Vehicle Data Recorder tools, giving website address and step by step instructions to complete the update.

PIP5632F

Service Bulletin/Repair Instructions

This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.

PIT5744B

Service Bulletin/Repair Instructions

This Preliminary information communicates information on how to disable the Side Blind Zone Detection and Park Assist systems when a customer removes the pickup box from the vehicle to install an aftermarket bed or body.

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.

18NA011

Service Bulletin/Repair Instructions

Informational bulletin explaining how a plow may cause overheating and engine damage when traveling over 45 mph.

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.

PIP5833A

Service Bulletin/Repair Instructions

This Preliminary information communicates to technicians to update the program in the DEF controller

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.

20NA188

Service Bulletin/Repair Instructions

This technical bulletin provides repair information to correct a customer concern of Rear View Camera Image Flickers When Brake Lamps or Turn Signals are On.

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.

18NA150

Service Bulletin/Repair Instructions

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

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.

17NA374

Service Bulletin/Repair Instructions

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

PIT5697B

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

PIT5702C

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

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.

21NA005

Service Bulletin/Repair Instructions

This technical bulletin provides a procedure to replace the air bag and air bag harness to correct a condition of Airbag Malfunction Warning and Airbag Malfunction Indicator Illuminated with DTC B0001-1B due to corrosion.

PIP5832

Service Bulletin/Repair Instructions

This Preliminary information communicates to the dealer an issue where a vehicle may be exhibiting an engine noise condiion. The dealer is instructed on how to isolate the noise to a specific area of the engine for further diagnosis.

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.

PIP5735A

Service Bulletin/Repair Instructions

This Preliminary information communicates to dealer technicians normal operating characteristics of the turbocharger exhaust brake.

PIT5828A

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.

PIT5868

Service Bulletin/Repair Instructions

This Preliminary information communicates an issues will low or poor heater performance on the drivers side.  Dealers are to inspect the HVAC temperature door linkage and if ok replace the heater core.

21NA237

Service Bulletin/Repair Instructions

THis technical bulletin provides a procedure to perform a cooling system flush to remove possible debris from the cooling system pipes.

21NA265

Service Bulletin/Repair Instructions

This technical bulletin provides a procedure to re-route the coolant hose away from the front prop shaft to avoid contact.

21NA091

Service Bulletin/Repair Instructions

This service bulletin provides information for customers/dealers/technicians on Normal Rearview Camera Display Operation - Flashing Diamond - Spot - or UFO like image on Rear View Camera Display.

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.

21NA247

Service Bulletin/Repair Instructions

This technical bulletin provides a procedure This technical bulletin provides repair information to correct a customer concern of Unable to Set PIN to Enable Teen Driver Feature.

PIT5448G

Service Bulletin/Repair Instructions

This Preliminary Information communication advises the technician with a tip when the vehicle stops running after it has been idling for 2.5 hours. This is normal operation of the vehicle built with regular production code BTM and without Regular Production Option Code AVF. If the vehicle was built with regular production code BTM and AVF only has a 1 hour idle time.

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.

PIP5806D

Service Bulletin/Repair Instructions

This preliminary information bulletin instructs to technicians to check the trigger wheel for interfering with the timing chain, and adding a shim to the camshaft position sensor.

PIT5853

Service Bulletin/Repair Instructions

This Preliminary information communicates information on correcting a rattle noise on driver side of cowl heat shield.

PIT5752B

Service Bulletin/Repair Instructions

This Preliminary information communicates multiple vehicle issues caused by an aftermarket device and it gives dealership information where to inspect for this device.

PIT5544E

Service Bulletin/Repair Instructions

This Preliminary information communicates information on a hydrauilc rush type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made.  The noise is most noticeable in the cab at idle, in park, with all accessories turned off.

20NA020

Service Bulletin/Repair Instructions

This technical bulleti provides a procedure to replace the front and rear brake pads if the brakes are squealing.

PIT5387K

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.

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.

PIT5662F

Service Bulletin/Repair Instructions

This Preliminary information communicates information to diagnose DTC C056D or C056E.

PIP5806C

Service Bulletin/Repair Instructions

This preliminary information bulletin instructs to technicians to check the trigger wheel for interfering with the timing chain, and adding a shim to the camshaft position sensor.

PIT5743A

Service Bulletin/Repair Instructions

This Preliminary information communicates diagnostic tips when trying to root cause a SES MIL with DTC's B2B0D and B2B0E.  Main cause is aftermarket electrical devices spliced into the ignition main fuses.

PIT3099U

Service Bulletin/Repair Instructions

This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts/kits.  Technicians should refer to Service Information for information regarding most accessories.  Technicians may also contact PARTECH and/or the Techline Customer Support Center for additional support.

20NA132

Service Bulletin/Repair Instructions

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

PIP5806B

Service Bulletin/Repair Instructions

This preliminary information bulletin instructs to technicians to check the trigger wheel for interfering with the timing chain, and adding a shim to the camshaft position sensor.

PIT5509H

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.

PIC5650J

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, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency Identification Devices when the concern is present. Dealer should also direct their customers to the appropriate section in the Owner manuals that references that the device complies.

PIT5698B

Service Bulletin/Repair Instructions

This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus.

21NA152

Service Bulletin/Repair Instructions

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

PIE0644A

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 their vehicle having sudden loss of propulsion.

010842001N

Service Bulletin/Repair Instructions

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

21NA145

Service Bulletin/Repair Instructions

This service bulletin provides U157 software update information to correct customer concerns of radio Software related issues.

PIP5806A

Service Bulletin/Repair Instructions

This preliminary information bulletin instructs to technicians to use the Picoscope or a make physical inspection to check for debris on the cam postion sensor and to check for a bent target wheel on the camshaft.

PIP5810

Service Bulletin/Repair Instructions

This Preliminary information communicates that the tool for the HD transfer cases to install the input seal during a repair is incorrect and a new tool is in development.

PIT4261G

Service Bulletin/Repair Instructions

This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Dealer should communicate to the customer that slight sidewall indentations are a common characteristic of radial tire construction.

990420002L

Service Bulletin/Repair Instructions

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

PIP5632E

Service Bulletin/Repair Instructions

This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.

PIP5809

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 P0300 (Engine Misfire Detected) active or stored in history. Customers may also comment that the check engine light was flashing while driving up a long grade or smooth road with steady throttle.  This condition may be caused by the P0300 diagnostic falsely setting the DTC under certain driving conditions. Upon reviewing GDS data you may notice misfires being recorded on any cylinder but may be more noticeable on cylinders 1 and 6.  Engineering is working on an updated calibration to address this concern.

PIE0644

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 their vehicle having sudden loss of propulsion.

PIE0625A

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 on a turn signal not canceling and/or mis-canceling.

PIT5689D

Service Bulletin/Repair Instructions

This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap. Temporarly on hold while PIE0572 is active.  PIE0572 has now ended and reinstating the PI.

PIT5750A

Service Bulletin/Repair Instructions

This Preliminary information communicates an issue with the battery goes dead and provides diagnostics tips on inspecting the LIN bus.

PIP5808

Service Bulletin/Repair Instructions

This Preliminary information communicates to technicians to replace the ECM and affected sensor if diagnostics leads to replacement of the ECM.

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.

PIE0602C

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 the Service Engine Soon Lamp illuminated on Driver Information Center.

PIE0642A

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 the Service Engine Soon (SES) lamp illuminated and/or Service Emission System Message on the Driver Information Center (DIC).

21NA125

Service Bulletin/Repair Instructions

This service bulletin provides a procedure to correct a condition of a Service Emission System and/or Service Engine Soon Lamp Illuminated on Driver Information Center (DIC), DTC P208B Set.

PIP5752M

Service Bulletin/Repair Instructions

This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and  engine noise with possible of DTC P0300 P0106 P0506,  Possible valve spring concern

070089037Q

Service Bulletin/Repair Instructions

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

21NA025

Service Bulletin/Repair Instructions

This technical bulletin provides a procedure to replace the Fuel Power Module if found the cause of the customers concern.

PIE0642

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 the Service Engine Soon (SES) lamp illuminated and/or Service Emission System Message on the Driver Information Center (DIC).

120851002M

Service Bulletin/Repair Instructions

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

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.

PIT5403H

Service Bulletin/Repair Instructions

This Preliminary Information communication provides information to the technician with the steps to diagnosis and repair vehicles with various handling, vehicle dynamics concerns, noises from the suspension or underbody, or issues related to damaged suspension components. Before any in-depth diagnostics are performed, be aware that various issues could occur if the vehicle has been modified and inform the customer the conditions noted may not be covered under warranty. Technician will inspect for installed aftermarket suspension components. Also inspect for improperly adjusted torsion bars.

21NA120

Service Bulletin/Repair Instructions

This technical bulletin provides the tech with a procedure to check if the transmission is the cause of the concern by checking the data.

PIP5806

Service Bulletin/Repair Instructions

This preliminary information bulletin instructs to technicians to use the Picoscope or a make physical inspection to check for a suspected bent target wheel on the camshaft.

PIP5807

Service Bulletin/Repair Instructions

This Preliminary information communicates to the dealer technician that it is a normal characteristic for vehicles equipped with the 10L1000 transmission to start off in second gear in normal driving mode. It also communicates that the vehicle will start off in first gear if tow haul is selected.

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).

PIT4322L

Service Bulletin/Repair Instructions

This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Technician may find a Diagnostic Trouble Code C0710. Technician should inspect for vehicles modifications before any in-depth diagnostics are performed.

PIT5746A

Service Bulletin/Repair Instructions

This Preliminary information communicates information on how dealers can contact the supplier for Associated Accessories offered through GM.

18NA279

Service Bulletin/Repair Instructions

This service bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking.

120851002L

Service Bulletin/Repair Instructions

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

20NA218

Service Bulletin/Repair Instructions

This service bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended Crank with DTC P12A6.

PIT5839A

Service Bulletin/Repair Instructions

This Preliminary information communicates to GM dealers that the above mentioned concern is software related and that General Motors is working on a solution.

20NA159

Service Bulletin/Repair Instructions

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

21NA110

Service Bulletin/Repair Instructions

This informational bulletin provides information for dealers/technicians on Information on GM Accessories - Instructions on Claim Submission on Dealer-Replaced Tonneau Covers During Warranty Period.

PIE0602B

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 the Service Engine Soon Lamp illuminated on Driver Information Center.

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.

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.

PIP5748F

Service Bulletin/Repair Instructions

This Preliminary information communicates to the technition instructions to replace the particulate matter sensor for a P1488 and to use the special labor operation for tracking purposes.

PIT5839

Service Bulletin/Repair Instructions

This Preliminary information communicates to GM dealers that the above mentioned concern is software related and that General Motors is working on a solution.

21NA097

Service Bulletin/Repair Instructions

This technical bulletin provides a procedure to install a pice of foam between the heater core pipes to correct the customers concern.

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.

PIT5809A

Service Bulletin/Repair Instructions

This Preliminary information communicates an issues with a pop, clunk, knock, rattle type noise heard from the steering column over bumps and ask dealerships to replace the upper column shaft.

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.

PIP5752L

Service Bulletin/Repair Instructions

This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and  engine noise with possible of DTC P0300 P0106 P0506,  Possible valve spring concern

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.

PIP5801A

Service Bulletin/Repair Instructions

This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and engine noise with possible of DTC P0300 P0106 P0506,P3189, P318A, P318B, P318C, P318D, P318E, P318F, P3190 Possible broken valve spring.

20NA038

Service Bulletin/Repair Instructions

This informational bulletin explains the difference in AFM and DFM engines and what is and is not activated during this occurrence.

PIP5801

Service Bulletin/Repair Instructions

This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and engine noise with possible of DTC P0300 P0106 P0506,P3189, P318A, P318B, P318C, P318D, P318E, P318F, P3190 Possible broken valve spring.

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).

20NA198

Service Bulletin/Repair Instructions

This technical bulletin provides repair information to correct a customer concern of seeing the trailer running lights shut off due to excessive load on the running lamp circuit.

PIP5794A

Service Bulletin/Repair Instructions

This Preliminary information communicates diagnostics to the dealer involving a vehicle shudder concern caused by the camshaft actuator system that can be mistaken for a transmission issue.

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.

20NA048

Service Bulletin/Repair Instructions

This technical bulletin provides repair information to correct a customer concern of hearing a rattle noise from driver or passenger seat belt.

PIT3227Q

Service Bulletin/Repair Instructions

This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Please communicate to the customer this condition is a normal operating characteristic of their vehicle.

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.

PIE0625

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 on a turn signal not canceling and/or mis-canceling.

PIT5828

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.

PIP5712B

Service Bulletin/Repair Instructions

This Preliminary information communicates to the technician a service Diagnostic / Repair tip to avoid causing the crankshaft sprocket to disengage from the crankshaft during crankshaft balancer or cam drive system component related service procedures.

21NA071

Service Bulletin/Repair Instructions

This technical bulletin provides repair information to correct a customer concern of DTC?s P05AE or P059F Set Current or History.

PIP5794

Service Bulletin/Repair Instructions

This Preliminary information communicates diagnostics to the dealer involving a vehicle shudder concern caused by the camshaft actuator system that can be mistaken for a transmission issue.

PIT5745B

Service Bulletin/Repair Instructions

This Preliminary information communicates and issue with the memory seat module waking up the low speed GM lan bus and causing a battery draw.

PIT5818

Service Bulletin/Repair Instructions

This Preliminary information communicates an issues will low or poor heater performance on the drivers side.  Dealers are to inspect the HVAC temperature door linkage and if ok replace the heater core.

PIP5791

Service Bulletin/Repair Instructions

This Preliminary information communicates to dealership technicians to perform a sweep of the coolant flow control valve and test the circuits before replacing the Engine Coolant Flow Control Valve, and to assist engineering in root causing the P2B60.

PIT5639B

Service Bulletin/Repair Instructions

This Preliminary information communicates information to not make any repairs for momentary  camera flicker when brake light, turn signal, or hazards are active with radio RPO IOR.  GM engineering is working on a resolution for this concern. This PI will be deleted and a bulletin created when a repair is available.

21NA061

Service Bulletin/Repair Instructions

This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs (North America ONLY).

110089005Q

Service Bulletin/Repair Instructions

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

21NA056

Service Bulletin/Repair Instructions

This technical bulletin provides a procedure to correct the condition of Information on Vehicles Engine Shuts Off After 30 or 60 Minutes of Idling.

21NA062

Service Bulletin/Repair Instructions

This informational bulletin directs dealers to the correct path needed to correct a vehicle with the condition of Add-On Equipment Inoperative, Sulfur/Acid Smell During Vehicle Operation based on the correct cause.

1008110001I

Service Bulletin/Repair Instructions

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

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).

20NA082

Service Bulletin/Repair Instructions

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

21NA052

Service Bulletin/Repair Instructions

This technical bulletin provides repair information to correct a customer concern of False Traction Control or Stability Event During Slow Speed Sharp Turns.

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.

PIP5712A

Service Bulletin/Repair Instructions

This Preliminary information communicates to the technician a service Diagnostic / Repair tip to avoid causing the crankshaft sprocket to disengage from the crankshaft during crankshaft balancer removal.

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.

21NA002

Service Bulletin/Repair Instructions

This informational bulletin provides a test procedure, for a possible faulty DEF Heater.

19NA240

Service Bulletin/Repair Instructions

This technical bulletin provides repair information to correct a customer concern of steering wheel oscillation, vibration, shake 50-80 mph.

PIT5544D

Service Bulletin/Repair Instructions

This Preliminary information communicates information on a hydrauilc rush type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made.  The noise is most noticeable in the cab at idle, in park, with all accessories turned off.

PIT5744A

Service Bulletin/Repair Instructions

This Preliminary information communicates information on how to disable the Side Blind Zone Detection and Park Assist systems when a customer removes the pickup box from the vehicle to install an aftermarket bed or body.

PIE0607A

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 USB Port Does Not Charge or Recognize Phone/Device, or Not Holding Cable in Port, USB and/or Auxiliary Port Inoperative or Won?t Play Media From the Device Constantly or Intermittently, Apple CarPlay and/or Android Auto Inoperative When Connecting into the USB Port or Cuts Out Over Bumps.

PIE0612A

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 Dead Battery and/or Shift to Park Lamp Illuminated On Driver Information Center (DIC).

100310001F

Service Bulletin/Repair Instructions

This informational bulletin provides information on Wheel Balancer Mounting Instructions.

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.

21NA018

Service Bulletin/Repair Instructions

This technical bulletin provides repair information to correct a customer concern of a pop noise heard coming from the rear roof of cab area.

PIE0593A

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 the trailer brake being inoperative and/or check trailer brakes message on drivers information center (DIC).

030846004X

Service Bulletin/Repair Instructions

This service bulletin announces that the Part Restriction and Ordering Process Information for OnStar® Vehicle Communication Interface Modules (VCIM) (GMNA Only) has ended.

21NA012

Service Bulletin/Repair Instructions

This technical bulletin provides repair information to correct a customer concern of Clean Exhaust Filter, Perform Manual Regen, and Loss of Digital Speedometer DIC Displays.

21NA006

Service Bulletin/Repair Instructions

This bulletin provides a possible location of a bad connection at the reductant fluid tanks electrical connector.

21NA007

Service Bulletin/Repair Instructions

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

20NA105

Service Bulletin/Repair Instructions

This technical bulletin provides repair information to correct a customer concern of 360 Camera Views go Blank with Tailgate Removed.

PIE0590A

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 check to the engine lamp being illuminated on the drivers information center (DIC).

PIE0602

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 Service Engine Soon Lamp Illuminated On Driver Information Center (DIC), DTC P208B Set.

PIE0607

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 USB Port Does Not Charge or Recognize Phone/Device, or Not Holding Cable in Port, USB and/or Auxiliary Port Inoperative or Won?t Play Media From the Device Constantly or Intermittently, Apple CarPlay and/or Android Auto Inoperative When Connecting into the USB Port or Cuts Out Over Bumps.

20NA142

Service Bulletin/Repair Instructions

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

20NA175

Service Bulletin/Repair Instructions

This technical bulletin provides repair information to correct a customer concern of vertical misalignment between cab and pickup box on driver side of vehicle.

N202316160

Service Bulletin/Repair Instructions

Service Update - Certain 2020 model year Chevrolet Silverado 1500/2500 and GMC Sierra 1500/2500 vehicles may have a condition where the driver side front outboard seat belt may not retract due to a broken rewind spring. If the seat belt is loose, the effectiveness of the restraints may be reduced. The retractor will still pretension and lock during a crash. Replace the seat belt retractor.

PIT5799A

Service Bulletin/Repair Instructions

This Preliminary information communicates a cocnern where a flashing spot can intermittently show up on the radio display while in reverse. The PI advises that engineering is investigating the concern.

010601011L

Service Bulletin/Repair Instructions

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

PIP5770

Service Bulletin/Repair Instructions

This Preliminary information communicates to the dealer technician to reprogram the transmission control module after any 10L1000 transmission repair.

PIE0603B

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 the rear sliding window leaking water.

PIT5386F

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.

PIT5479D

Service Bulletin/Repair Instructions

This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. The substance is actually excess assembly grease from the caliper boot and piston installation. This grease can be cleaned off and the rest of the service completed.

PIT5747A

Service Bulletin/Repair Instructions

This Preliminary information communicates to dealership how to test properly trailer light option on the truck and also provide additional information on trailer issues.

PIP5748D

Service Bulletin/Repair Instructions

This Preliminary information communicates to the technition instructions to replace the particulate matter sensor for a P1488 and to use the special labor operation for tracking purposes.

PIP5764A

Service Bulletin/Repair Instructions

This Preliminary information communicates to the technician a possible cause of a P2B60 as terminal corrosiosn and provides a correction

20NA199

Service Bulletin/Repair Instructions

This technical bulletin provides programming information for Radio Software Version U150 Update to correct software issues on infotainment systems IOS, IOT or IOU.

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.

PIE0584A

Service Bulletin/Repair Instructions

This engineering information (EI) is requesting information from technicians to provided the engineers listed in regards to No Trailer Lights, No Brake Lights and/or Trailer Tow Receptacle is Loose.

PIE0603A

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 the rear sliding window leaking water.

PIE0604

Service Bulletin/Repair Instructions

GSA Example: This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the service 4WD message illuminated on the drivers information center (DIC).

PIE0603

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 the rear sliding window leaking water.

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.

PIT5161H

Service Bulletin/Repair Instructions

This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or on launch. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle. The bump clunk issue may be due to fuel movement in the fuel tank when not completely full. The condition is eliminated after completely filling the fuel tank.

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.

PIE0583B

Service Bulletin/Repair Instructions

This engineering information (EI) is requesting information from technicians and to contact the engineers listed in regards to Transmission Performance Issues without a Current or History DTC and Unable to Duplicate the Customer Concern (CCND).

PIP5733F

Service Bulletin/Repair Instructions

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

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.

PIE0594A

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 an intermittent no start.

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.

PIE0596

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 ABS or the traction control message illuminated in the Drivers Information Center (DIC).

PIP5711A

Service Bulletin/Repair Instructions

This Preliminary information communicates to the dealer technicians a warm engine knock noise has no short or long term effects on the engine. Do not attempt repairs for this noise.

20NA163

Service Bulletin/Repair Instructions

This technical bulletin provides repair information to correct a customer concern of Rearview Camera Displaying Narrow Guidelines and Zoomed Out/Fisheye Appearance.

PIE0573A

Service Bulletin/Repair Instructions

This engineering information (EI) is requesting information from technicians to perform the inspection and verify that the rear axle dampener (TVA) is loose after a loud banging noise is heard from the rear of the vehicle while in motion and contact the engineer listed.

PIP5752F

Service Bulletin/Repair Instructions

This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and  engine noise with possible of DTC P0300 P0106 P0506,  Possible valve spring concern

PIT5387H

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.

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.

18NA383

Service Bulletin/Repair Instructions

This technical bulletin provides repair information to correct a customer concern of water found in rear interior of cab due to water leak at rear sliding window.

20NA195

Service Bulletin/Repair Instructions

This technical bulletin provides a procedure to replace the NOx2 sensor if found the cause of the customers concern.

20NA209

Service Bulletin/Repair Instructions

This technical bulletin provides repair information to correct a customer concern of Service 4WD Message illuminated on Driver Information Center (DIC), DTCs C118D, C119B and/or C119C set.

PIE0593

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 the trailer brake being inoperative and/or check trailer brakes message on drivers information center (DIC).

PIE0594

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 an intermittent no start.

PIP5752E

Service Bulletin/Repair Instructions

This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and  engine noise with possible of DTC P0300 P0106 P0506,  Possible valve spring concern

16NA376

Service Bulletin/Repair Instructions

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

PIP5752D

Service Bulletin/Repair Instructions

This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and  engine noise with possible of DTC P0300 P0106 P0506,  Possible valve spring concern

PIP5759

Service Bulletin/Repair Instructions

This Preliminary information communicates 6.2L engine restriction, Contact TAC

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.

PIP5748B

Service Bulletin/Repair Instructions

This Preliminary information communicates to the technition instructions to replace the particulate matter sensor for a P1488 and to use the special labor operation for tracking purposes.

PIP5752C

Service Bulletin/Repair Instructions

This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and  engine noise with possible of DTC P0300 P0106 P0506,  Possible valve spring concern

PIP5752B

Service Bulletin/Repair Instructions

This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and  engine noise with possible of DTC P0300 P0106 P0506,  Possible valve spring concern

060089026Q

Service Bulletin/Repair Instructions

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

PIT5736A

Service Bulletin/Repair Instructions

This Preliminary information communicates how the HVAC setting operates during a remote vehicle start.

PIT5551F

Service Bulletin/Repair Instructions

This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting.  This is normal when the FAB has been set to  "Alert".

PIP5733E

Service Bulletin/Repair Instructions

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

PIE0583A

Service Bulletin/Repair Instructions

This engineering information (EI) is requesting information from technicians and to contact the engineers listed in regards to Transmission Performance Issues without a Current or History DTC and Unable to Duplicate the Customer Concern (CCND).

110089005P

Service Bulletin/Repair Instructions

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

PIP5753

Service Bulletin/Repair Instructions

PIP5753 created to advise the technician to inspect for loose bolts on the turbocharger if there is a performance issue and code set.

PIP5748A

Service Bulletin/Repair Instructions

This Preliminary information communicates to the technition instructions to replace the particulate matter sensor for a P1488 and to use the special labor operation for tracking purposes.

PIE0574A

Service Bulletin/Repair Instructions

This engineering informational bulletin is requesting information from technicians to inspect for engine oil leak and contact the engineer listed.

PIP5733D

Service Bulletin/Repair Instructions

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

PIP5752A

Service Bulletin/Repair Instructions

This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and  engine noise with possible of DTC P0300 P0106 P0506,  Possible valve spring concern

PIT5752

Service Bulletin/Repair Instructions

This Preliminary information communicates multiple vehicle issues caused by an aftermarket device and it gives dealership information where to inspect for this device.

PIE0584

Service Bulletin/Repair Instructions

This engineering information (EI) is requesting information from technicians to provided the engineers listed in regards to No Trailer Lights, No Brake Lights and/or Trailer Tow Receptacle is Loose.

PIT5737B

Service Bulletin/Repair Instructions

This Preliminary information communicates an XM service concern of no audio at startup until a channel change and directs to contact XM for direct support.

PIT5754

Service Bulletin/Repair Instructions

This Preliminary information communicates information on radio software anamolies and future radio software updates to correct the concern.

20NA194

Service Bulletin/Repair Instructions

This technical bulletin provides repair information to correct a customer concern of Hard Tri-Fold tonneau water leaks at the front corners of the pickup box.

PIT5709A

Service Bulletin/Repair Instructions

This Preliminary information communicates the need for proper documentation when submitting a Field Product Report on paint issues with the new HD Silverado and Sierra.

20NA192

Service Bulletin/Repair Instructions

This technical bulletin provides a procedure to try multiple different adjustments based on the condition of Steering Dither/Shake or Quick Steering Wheel Oscillation at Speeds of 80-129?km/h (50-80?mph).

PIT5756

Service Bulletin/Repair Instructions

This Preliminary information communicates an issue with the underhood electrical center bolts being loose which can cause any of the following symptoms: - No crank - No start - Starter grinds or reengages after engine running - Headlights flicker or flash - SES MIL - IPC gauges sweep/fluctuate and various IPC warning lights or messages - High or low system voltage Some of these concerns may be notices with powertrain movement, like when either accelerating or braking.

PIP5751

Service Bulletin/Repair Instructions

This PI was created to gather data to root cause the P06DD and/or oil consumption

PIE0583

Service Bulletin/Repair Instructions

This engineering information (EI) is requesting information from technicians to provided the engineers listed in regards to Early, Late, Harsh and/or Slip Type Transmission Performance.

20NA176

Service Bulletin/Repair Instructions

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

20NA129

Service Bulletin/Repair Instructions

This informational bulletin provides information for dealers/technicians on Rear View Camera Display Bright At Night.

990089019U

Service Bulletin/Repair Instructions

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

N202300791

Service Bulletin/Repair Instructions

Service Update (population expanded). In some vehicles, equipped with diesel engines, the Diesel Exhaust Fluid (DEF) system may not immediately reactivate, as it should, after the vehicle?s control system finds that a DEF heater fault is no longer present. In these vehicles, after such a fault is detected as absent, DEF system reactivation, including DEF injection, may not occur until the ignition key is cycled. Dealers are to reprogram the reductant control module.

20NA021

Service Bulletin/Repair Instructions

This technical bulletin provides repair information to correct a customer concern of Intermittent "Service Steering Column Lock" message displayed with U0155 Set.

PIP5733A

Service Bulletin/Repair Instructions

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

PIP5655B

Service Bulletin/Repair Instructions

This Preliminary information communicates to the dealer technician that the 10L1000 transmission have been place on a part restriction. Dealers are to contact the Product Quality Center before replacing the transmission assembly.

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.

PIP5684B

Service Bulletin/Repair Instructions

This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual.

150089002B

Service Bulletin/Repair Instructions

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

PIP5504F

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.

20NA141

Service Bulletin/Repair Instructions

This technical bulletin provides repair information to correct a customer concern of the Tri-Fold Tonneau paint finish fading or discolored.

PIP4912G

Service Bulletin/Repair Instructions

This Preliminary Information communication provides information to the technician on vehicles that may have an intermittent high idle. If a technician has duplicated, or the customer description aligns with the speeds mentioned in the idle speed description tables, the idle speed should be considered a normal characteristic of current vehicle design.

PIT3665J

Service Bulletin/Repair Instructions

This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn.

PIT5755

Service Bulletin/Repair Instructions

This Preliminary information communicates an issue with the Electronic Brake Control Module incorrectly mapping DTC U0126 as a U0131 and directs the dealership to follow the diagnostics for the U0126.

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.

PIT5509G

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.

N202294740 01

Service Bulletin/Repair Instructions

Service Update - Certain vehicles may require individual software updates to multiple modules to address various minor issues such as steering feel and data communication. Dealers are to reprogram multiple modules.

PIP5735

Service Bulletin/Repair Instructions

This Preliminary information communicates to dealer technicians normal operating characteristics of the turbocharger exhaust brake.

990089019T

Service Bulletin/Repair Instructions

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

N202306491 Messa

Service Bulletin/Repair Instructions

Service Update (Revised Population). The purpose of this service update is to provide the customer with a goodwill gift to offset customer inconvenience, restore confidence in GM, and maintain loyalty to GM. The vehicles involved in this service update have previously had a hood assembly replacement under recall N192284960. These customers are now being asked to bring their vehicle back in for another hood replacement under Safety Recall N202306490. For their inconvenience, dealers are to offer the customer a selection of one of the available goodwill tools listed in this bulletin. Because each customer has unique preferences, please offer all options found in this bulletin to the customer and allow them to select the one that best suits their situation. Please note that not all vehicles in Safety Recall N202306490 are included in this service update. The goodwill offer described in this bulletin should be presented to the involved customer when they pick up their vehicle after having Safety Recall N202306490 performed on the vehicle. Population reduced.

20NA012

Service Bulletin/Repair Instructions

This Technical bulletin provides service procedure information for dealers/technicians on Radio Software Version V135116 Over-the-Air Update.

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

PIE0568C

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 the conditions that are listed in this PIE.

N202306491

Service Bulletin/Repair Instructions

Service Update. The purpose of this service update is to provide the customer with a goodwill gift to offset customer inconvenience, restore confidence in GM, and maintain loyalty to GM. The vehicles involved in this service update have previously had a hood assembly replacement under recall N192284960. These customers are now being asked to bring their vehicle back in for another hood replacement under Safety Recall N202306490. For their inconvenience, dealers are to offer the customer a selection of one of the available goodwill tools listed in this bulletin. Because each customer has unique preferences, please offer all options found in this bulletin to the customer and allow them to select the one that best suits their situation. Please note that not all vehicles in Safety Recall N202306490 are included in this service update. The goodwill offer described in this bulletin should be presented to the involved customer when they pick up their vehicle after having Safety Recall N202306490 performed on the vehicle.

20NA059

Service Bulletin/Repair Instructions

This technical bulletin provides repair information to correct a customer concern of the pickup box endgate will not fully close by itself.

19NA228

Service Bulletin/Repair Instructions

This technical provides a procedure to locate, disconnect and re-connect the TCM electrical connector if found the cause of the customers concerns.

110089005O

Service Bulletin/Repair Instructions

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

PIP5728B

Service Bulletin/Repair Instructions

This Preliminary information communicates to the dealer an issue where a module configuration function is missing from GDS2 scan tool. Dealer is instructed to manually build the vehicle in GDS2 and perform the function until software update is available.

PIP5728A

Service Bulletin/Repair Instructions

This Preliminary information communicates to the dealer an issue where a module configuration function is missing from GDS2 scan tool. Dealer is instructed to manually build the vehicle in GDS2 and perform the function until software update is available.

030601023D

Service Bulletin/Repair Instructions

This information bulletin explains how to measure for oil consumption and possible reasons for loss of oil.

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.

PIT5746

Service Bulletin/Repair Instructions

This Preliminary information communicates information on how dealers can contact the supplier for Associated Accessories offered through GM.

PIE0568B

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 Shift to Park Message on Drivers Information Center (DIC) (ONLY On Push Button Ignition), Unable to Remove Key from Ignition Cylinder and/or Difficult to Shift Out of Park.

N202299520

Service Bulletin/Repair Instructions

Customer Service Program - Certain vehicles may not have the backup alarm which should have been included the dealer kit. Dealers are to provide the missing backup alarm to the customer.

19NA269

Service Bulletin/Repair Instructions

This Technical bulletin provides a service procedure for dealers/technicians on installation of Radio Software Version U148 Over-the-Air Update.

20NA036

Service Bulletin/Repair Instructions

This informational bulletin provides information for dealers/technicians on Rear Camera Gridlines Incorrect, Misaligned, Offset, Incorrect Camera View after Replacing the Tailgate Handle or Entire Tailgate.

N192282860 01

Service Bulletin/Repair Instructions

Service Update. Certain vehicles may have a condition where the transmission enters a neutral state when the internal range sensor (IRS) fault is active. Dealers are to reprogram the transmission control module.

PIT5737A

Service Bulletin/Repair Instructions

This Preliminary information communicates an XM service concern of no audio at startup until a channel change and directs to contact XM for direct support.

N192282860

Service Bulletin/Repair Instructions

Service Update - Certain vehicles may have a condition where the transmission enters a neutral state when the internal range sensor (IRS) fault is active. Dealers are to reprogram the transmission control module.

PIP5728

Service Bulletin/Repair Instructions

This Preliminary information communicates to the dealer an issue where a module configuration function is missing from GDS2 scan tool. Dealer is instructed to manually buid the vehicle in GDS2 and perform the function until software update is available.

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.

PIT4506E

Service Bulletin/Repair Instructions

This Preliminary Information communication provides information to the technician that some owners of Heavy Duty Trucks and Utilities may ask if they can lower their tire pressures. Tire pressures being set to the "Tire and Loading Label" will ensure the safe handling and ride characteristics of the truck and should not be lowered.

PIE0568

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 Shift to Park Message on Drivers Information Center (DIC) (ONLY On Push Button Ignition), Unable to Remove Key from Ignition Cylinder and/or Difficult to Shift Out of Park.

PIE0568A

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 Shift to Park Message on Drivers Information Center (DIC) (ONLY On Push Button Ignition), Unable to Remove Key from Ignition Cylinder and/or Difficult to Shift Out of Park.

N202298330

Service Bulletin/Repair Instructions

Customer Satisfaction Program - Certain 2020 Chevrolet Silverado HD and GMC Sierra HD vehicles were intended to include a high idle feature, (RPO UF3). Equipment not included on the vehicle is required for the ?high idle? feature to function properly. Because the vehicle does not have the required equipment, this feature cannot be activated and will not be available for use. Dealers will issue the customer a reimbursement check.

N202294960

Service Bulletin/Repair Instructions

Customer Satisfaction Program - Vehicles may have been built with 3500 series single rear wheel leaf springs. In service, if a single leaf spring were to be replaced, a 2500 series spring could be installed which would cause the vehicle to have mismatching springs. Dealers are to replace with the correct rear leaf springs.

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.

PIP5727

Service Bulletin/Repair Instructions

This Preliminary information communicates diagnostic tips on finding root cause of a hoot noise. If the technician confirms the hoot noise is only present while the torque converter clutch is applying the technician should advise the customer that  the noise will diminish over mileage and should dissipate after 3,000 ? 4,000 miles of driving and does not pose a durability concern.

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.

20NA096

Service Bulletin/Repair Instructions

This informational bulletin provides information for dealers/technicians on Glow Plug Control Module Update.

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.

090089002R

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.

PIT5743

Service Bulletin/Repair Instructions

This Preliminary information communicates diagnostic tips when trying to root cause a SES MIL with DTC's B2B0D and B2B0E.  Main cause is aftermarket electrical devices spliced into the ignition main fuses.

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.

20NA095

Service Bulletin/Repair Instructions

This informational bulletin is advising dealers to replace the grilles due to rust.

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.

PIT5195F

Service Bulletin/Repair Instructions

This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Dealer should advise the customer the specification for speedometer needle accuracy is +/- 2 MPH at any given speed when looking straight at the needle.

PIE0560A

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 a Service 4WD message being visible on the driver information center (DIC).

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.

PIT4322K

Service Bulletin/Repair Instructions

This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Technician may find a Diagnostic Trouble Code C0710. Technician should inspect for vehicles modifications before any in-depth diagnostics are performed.

20NA087

Service Bulletin/Repair Instructions

This technical bulletin provides repair information to correct a customer concern of Blank Radio Display or No Audio.

20NA083

Service Bulletin/Repair Instructions

This technical bulletin provides a procedure to check the oil level for correct reading and oil pressure switch is in working order.

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.

PIE0560

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 on a Service 4WD message being visible the driver information center (DIC).

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.

PIT5509F

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.

070089037O

Service Bulletin/Repair Instructions

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

20NA040

Service Bulletin/Repair Instructions

This technical bulletin provides repair information to correct a customer concern of the pickup box power endgate may not open on initial press, or may not open at all.

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.

20NA019

Service Bulletin/Repair Instructions

This technical bulletin provides a procedure to replace the transmission shifter control if found the cause of the condition.

PIP5716

Service Bulletin/Repair Instructions

This Preliminary information communicates that there is software update available for the TCCM to correct a software anomaly.

PIP5717

Service Bulletin/Repair Instructions

This Preliminary information communicates that there is software update available for the TCCM to correct a software anomaly.

20NA067

Service Bulletin/Repair Instructions

This informational bulletin provides information for dealers/technicians on Accessory Rear Seat Infotainment (RSI) Shuts Off, Coinciding with Closing of Door or Liftgate.

PIT4261F

Service Bulletin/Repair Instructions

This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Dealer should communicate to the customer that slight sidewall indentations are a common characteristic of radial tire construction.

PIT5403F

Service Bulletin/Repair Instructions

This Preliminary Information communication provides information to the technician with the steps to diagnosis and repair vehicles with various handling, vehicle dynamics concerns, noises from the suspension or underbody, or issues related to damaged suspension components. Before any in-depth diagnostics are performed, be aware that various issues could occur if the vehicle has been modified and inform the customer the conditions noted may not be covered under warranty. Technician will inspect for installed aftermarket suspension components. Also inspect for improperly adjusted torsion bars.

PIT5736

Service Bulletin/Repair Instructions

This Preliminary information communicates how the HVAC setting operates during a remote vehicle start.

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).

050310020G

Service Bulletin/Repair Instructions

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

20NA035

Service Bulletin/Repair Instructions

This technical bulletin provides repair information to correct a customer concern of hearing a wind whistle noise from front of vehicle while driving.

060089026P

Service Bulletin/Repair Instructions

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

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.

HT-03.03.2020

Service Bulletin/Repair Instructions

Hypertech Inline Speedometer Calibrator Module Installation Instructions

PIP5711

Service Bulletin/Repair Instructions

This Preliminary information communicates to the dealer technicians a warm engine knock noise has no short or long term effects on the engine. Do not attempt repairs for this noise.

PIP5712

Service Bulletin/Repair Instructions

This Preliminary information communicates to the technician a service Diagnostic / Repair tip to avoid causing the crankshaft sprocket to disengage from the crankshaft during crankshaft balancer removal.

990089019S

Service Bulletin/Repair Instructions

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

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.

20NA044

Service Bulletin/Repair Instructions

This technical bulletin provides repair information to correct a customer concern of endgate will not auto open or auto close after accessory tonneau cover installation, and/or poor fit of tonneau cover to endgate.

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.

20NA006

Service Bulletin/Repair Instructions

This informational bulletin explains there is another steering hose that can be used for cold weather drivers that experience a steering hose leak.

PIP5656D

Service Bulletin/Repair Instructions

This Preliminary Information communication advises the technician that the 6.6L Engine (RPO L8T) has been placed on Engine Exchange program and crankshaft has been placed on part ordering restriction. Dealer will need to contact General Motors Product Quality Center for further assistance.

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.

N192286190

Service Bulletin/Repair Instructions

Service Update - Certain vehicles may have a condition where the thermal cover may accelerate corrosion of the low pressure diesel hydrocarbon injector. Dealers are to remove the low pressure diesel hydrocarbon injector thermal cover.

PIE0554

Service Bulletin/Repair Instructions

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

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.

110089002D

Service Bulletin/Repair Instructions

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

20NA022

Service Bulletin/Repair Instructions

This technical bulletin provides a procedure to re-torque the leaf spring u bolts to correct a condition of Clunking Noise from Rear of Vehicle (Re-torque Leaf Spring Bolts).

PIP5706

Service Bulletin/Repair Instructions

This Preliminary information communicates to the dealer a condition with the throttle body that may illuminate the service engine soon light, cause the engine to run rough and/or display reduced engine power message. Dealers are instructed to replace the throttle body assembly and install a grounding wire from the throttle body to the valve cover to prevent future failures.

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.

N192278640

Service Bulletin/Repair Instructions

Service Update Bulletin - Certain 2020 model year Chevrolet Silverado and GMC Sierra vehicles equipped with a 2.7L Engine (RPO ENL), Engine Control Disable Start/Stop (RPO L3B), and a 3.5? Driver?s Information Center Display (RPO UDC), may have a condition where the start/stop disabling function does not work. Dealers will reprogram the engine control module (ECM) with an updated calibration.

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.

PIT5411R

Service Bulletin/Repair Instructions

This Preliminary Information communication advises the technician that the Radio or Tuner, radio controls, Integrated Center Stack, HUD's, IPC's, and radio displays are placed on restriction through the General Motors Technical Assistance Center. Dealers will need to contact General Motors Technical Assistance Center for further assistance.

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.

PIP5504C

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.

PIT5387G

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.

PIT5636A

Service Bulletin/Repair Instructions

This Preliminary information communicates an issues with a SES MIL and DTC P1005 and to replace the fuel pump driver control module with an updated part number.

030846004W

Service Bulletin/Repair Instructions

This bulletin provides information regarding Part Restriction and Ordering Process Information for OnStar® Vehicle Communication Interface Modules (VCIM) (GMNA Only).

PIP5503B

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.

19NA216

Service Bulletin/Repair Instructions

This technical bulletin provides the tech with a procedure to check the t-case for loose fasteners and to re-torque if the cause of the concern.

16NA383

Service Bulletin/Repair Instructions

This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up.

PIP5695

Service Bulletin/Repair Instructions

This Preliminary information communicates to dealer technicians to check for open field actions or ECM updates for fuel gauge concerns or DTCs P24B0 or P0461.

PIT5479C

Service Bulletin/Repair Instructions

This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. The substance is actually excess assembly grease from the caliper boot and piston installation. This grease can be cleaned off and the rest of the service completed.

N192277930

Service Bulletin/Repair Instructions

N192277930 - Service Update - Certain 2020 model year Chevrolet Silverado and GMC Sierra vehicles may, after several years of use, fracture at the yoke-to-tube friction weld joint under torsional load. If the prop shaft fractures, the vehicle will experience a loss of propulsion without warning. The customer may notice a loud bang upon fracture that will coincide with the loss of propulsion. If the prop shaft fractures while the vehicle is parked on a graded surface and the park brake is not engaged, roll away is possible. Dealer will replace prop shaft and fasteners.

PIP5690A

Service Bulletin/Repair Instructions

This Preliminary information communicates to dealer technicians there is a software anomaly not allowing the air filter life to be reset.

N192267990

Service Bulletin/Repair Instructions

N192259800 - Customer Satisfaction Program - Certain 2020 vehicles vehicles, equipped with the 6.6L diesel engine (RPO L5P), may have a condition in which the adhesive attaching the heat shield to the air inlet panel may lose adhesion. Dealers are to replace the air inlet grille panel assembly.

N192266750-01

Service Bulletin/Repair Instructions

N192266750-01 - Service Update (Revised Warranty Information and Service Procedure). On certain vehicles that are equipped with a 6.6L diesel engine, may have one or more of the following conditions exist: 1.The instrument panel cluster may incorrectly display the message ?DEF Low? when a diesel engine fluid (DEF) controller internal fault is detected (DTC P20FF), instead of displaying the proper ?Service DEF System? message. 2.The customer may complain of excessive engine fan noise at a low vehicle speed. 3.Under certain conditions, the diagnostic system may set one of the following DTC?s when there is no problem with a component: (P20EE, P226D, P16F3 and P129F). Dealers are to reprogram the engine control module.

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.

PIE0548

Service Bulletin/Repair Instructions

This engineering informational bulletin is requesting information on a issue that is caused by loose ground connection at G110 or G114 that results in a repair.

010842001M

Service Bulletin/Repair Instructions

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

PIT5527C

Service Bulletin/Repair Instructions

This Preliminary Information communication provides information to the technician about vehicles that show a "Take Steering" message on the Driver Information Center along with a warning chime/alert. Dealer should be advised the purpose of the message is to alert the driver that the Lane Keep Assist system has not detected active steering input from the driver (hands off the steering wheel).

N192273400

Service Bulletin/Repair Instructions

N192273400 - Service Update. Certain LD vehicles may have a condition in which the right-hand side, positive crankcase ventilation (PCV) tube may not be fully seated (loose), allowing unrestricted blow-by gases to release to the atmosphere. Customers may experience a whistling sound, or there may be an audible air leak. Disconnection of this line is monitored through the fuel trim diagnostics, and in a worst-case scenario, the customer may experience a check engine light with DTC codes P0171 and/or P0174. Dealers are to inspect and ensure the PCV tube to the right-hand rocker is fully seated and secure.

N192279900

Service Bulletin/Repair Instructions

N192279900 - Service Update. On certain vehicles equipped with an active hydraulic assist gear (RPO NV8), the driver may experience a steering wheel vibration while driving typically at speeds from 50 mph (80 km) to 80 mph (130 km). Dealers are to reprogram the power steering control module.

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.

PIT5161G

Service Bulletin/Repair Instructions

This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or on launch. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle. The bump clunk issue may be due to fuel movement in the fuel tank when not completely full. The condition is eliminated after completely filling the fuel tank.

PIP5370E

Service Bulletin/Repair Instructions

This Preliminary Information communication provides information to the technician that some vehicle may have an ?Exhaust Fluid Quality Poor? on the Driver Information Center or a diesel exhaust fluid warning lamp on or other exhaust fluid quality related concerns. Technician will inspect the diesel exhaust fluid for contamination. Technician should use Service Information for Contaminants in Diesel Exhaust Fluid Diagnosis and use special tool J26568 or EN50422 Diesel Exhaust Fluid Refractometer for fluid testing.

PIT5702A

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

100089006G

Service Bulletin/Repair Instructions

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

19NA231

Service Bulletin/Repair Instructions

This informational bulletin informs the technician of a possible low A/C charge in a low milage vehicle from the factory.

PIT5657B

Service Bulletin/Repair Instructions

This Preliminary information communicates how to repair a loose shift cable bracket.

100605002H

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.

19NA232

Service Bulletin/Repair Instructions

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

PIT5544C

Service Bulletin/Repair Instructions

This Preliminary information communicates information on a hydrauilc rush type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made.  The noise is most noticeable in the cab at idle, in park, with all accessories turned off.

PIP5655A

Service Bulletin/Repair Instructions

This Preliminary information communicates to the dealer technician that the 10L1000 transmission have been place on a part restriction. Dealers are to contact the Product Quality Center before replacing the transmission assembly.

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.

N192266751

Service Bulletin/Repair Instructions

N192266751 - Service Update (9 VINs moved from N192266750 due to different procedure). On certain vehicles that are equipped with a 6.6L diesel engine, may have one or more of the following conditions exist: 1.The instrument panel cluster may incorrectly display the message ?DEF Low? when a diesel engine fluid (DEF) controller internal fault is detected (DTC P20FF), instead of displaying the proper ?Service DEF System? message. 2.The customer may complain of excessive engine fan noise at a low vehicle speed. 3.Under certain conditions, the diagnostic system may set one of the following DTC?s when there is no problem with a component: (P20EE, P226D, P16F3 and P129F). Dealers are to reprogram the engine control module.

PIT5551E

Service Bulletin/Repair Instructions

This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting.  This is normal when the FAB has been set to  "Alert".

010089010N

Service Bulletin/Repair Instructions

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

PIP5664C

Service Bulletin/Repair Instructions

This Preliminary information communicates to the dealer technician to refer to Service Update N192266750.

N192266750

Service Bulletin/Repair Instructions

N192266750 - Service Update. On certain vehicles that are equipped with a 6.6L diesel engine, may have one or more of the following conditions exist: 1.The instrument panel cluster may incorrectly display the message ?DEF Low? when a diesel engine fluid (DEF) controller internal fault is detected (DTC P20FF), instead of displaying the proper ?Service DEF System? message. 2.The customer may complain of excessive engine fan noise at a low vehicle speed. 3.Under certain conditions, the diagnostic system may set one of the following DTC?s when there is no problem with a component: (P20EE, P226D, P16F3 and P129F). Dealers are to reprogram the engine control module.

PIP5656C

Service Bulletin/Repair Instructions

This Preliminary Information communication advises the technician that the 6.6L Engine (RPO L8T) has been placed on Engine Exchange program and crankshaft has been placed on part ordering restriction. Dealer will need to contact General Motors Product Quality Center for further assistance.

PIP5664B

Service Bulletin/Repair Instructions

This Preliminary information communicates to the dealer technician to check for any new ECM calibration updates for DTCs P129F P16F3 P20EE P20FF P226D P249D P249E P11CC and / or P11D5 set.

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.

PIP5677

Service Bulletin/Repair Instructions

This Preliminary information communicates to the dealer technician that the 10L60, 10L80 and the 10L90 transmissions have been place on a part restriction. Dealers are to contact the Product Quality Center before replacing the transmission assembly.

PIT5711

Service Bulletin/Repair Instructions

This Preliminary information communicates information for the dealer to reprogram the IPC to correct the Off-Road Mode not being able to be selected using the Driver Mode Control Switch.

17NA073

Service Bulletin/Repair Instructions

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

PIT5709

Service Bulletin/Repair Instructions

This Preliminary information communicates the need for proper documentation when submitting a Field Product Report on paint issues with the new 2020 HD Silverado and Sierra.

PIP5656B

Service Bulletin/Repair Instructions

This Preliminary Information communication advises the technician that the 6.6L Engine (RPO L8T) has been placed on Engine Exchange program and crankshaft has been placed on part ordering restriction. Dealer will need to contact General Motors Product Quality Center for further assistance.

PIT5707

Service Bulletin/Repair Instructions

This Preliminary information communication provides information to the dealer about vehicles with the ABS light or Service Stability Message displayed with C050A or C0504 DTC's set. Dealer may find manufacturing debris on the wheel speed sensor reluctor wheel causing this concern. Dealer is to clean the debris from the reluctor wheel and evaluate for concern.

PIP5656A

Service Bulletin/Repair Instructions

This Preliminary Information communication advises the technician that the 6.6L Engine (RPO L8T) has been placed on Engine Exchange program. Dealer will need to contact General Motors Product Quality Center for further assistance.

PIT5448F

Service Bulletin/Repair Instructions

This Preliminary Information communication advises the technician with a tip when the vehicle stops running after it has been idling for 2.5 hours. This is normal operation of the vehicle built with regular production code BTM and without Regular Production Option Code AVF. If the vehicle was built with regular production code BTM and AVF only has a 1 hour idle time.

PIP5664A

Service Bulletin/Repair Instructions

This Preliminary information communicates to the dealer technician the procedures for DTC P11CC, P11D5, P226D, P249E, P249D, P20EE or P226D while engineering is investigating.

100310001E

Service Bulletin/Repair Instructions

This informational bulletin provides information on Wheel Balancer Mounting Instructions.

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.

070601016F

Service Bulletin/Repair Instructions

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

19NA152

Service Bulletin/Repair Instructions

This technical bulletin provides repair information to correct a customer concern of Static Crackling Noise Using Bluetooth Microphone.

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.

PIT5702

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

PIP5664

Service Bulletin/Repair Instructions

This Preliminary information communicates to the dealer technician the procedures for DTC P11CC, P226D, P249E, P249D, P20EE or P226D while engineering is investigating.

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.

PIT5697

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

17NA350

Service Bulletin/Repair Instructions

This informational bulletin provides explanation of a normal condition of a loose fitting ball receiver in the gooseneck.

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.

130232001F

Service Bulletin/Repair Instructions

This technical bulletin provides a procedure to flush and bleed power steering system to correct a power steering noise or fluid leak concern that is caused during extremely low temperatures.

1308116001E

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.

PIP5656

Service Bulletin/Repair Instructions

This Preliminary Information communication advises the technician that the 6.6L Engine (RPO L8T) has been placed on Engine Exchange program. Dealer will need to contact General Motors Product Quality Center for further assistance.

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.

19NA074

Service Bulletin/Repair Instructions

This informational bulletin provides information to clarify installation requirements when installing Accessory wheels on 2020 Chevrolet Silverado HD and 2020 GMC Sierra HD.

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.

PIP5655

Service Bulletin/Repair Instructions

This Preliminary information communicates to the dealer technician that the 10L1000 transmission have been place on a part restriction. Dealers are to contact the Product Quality Center before replacing the transmission assembly.

19NA091

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 Chevrolet Silverado and GMC Sierra 2500HD-3500HD pickup trucks.

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.

2020 Gmc Sierra 2500 Service Bulletins: 991 bulletins | CarFathom