GMC Sierra Service Bulletins (2021)

1,650 manufacturer communications on file.

• August 31, 2021•Document ID: 10205053

  Service Bulletin/Repair Instructions
  SERVICE BRAKES, HYDRAULIC

  Mfr Comm. #:

  20NA020

  Date Added:

  December 20, 2021

  Manufacturer:

  GMC

  Summary

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

  Associated Products (4)

  2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10205053-0001.pdf↗
• August 25, 2021•Document ID: 10201328

  Service Bulletin/Repair Instructions
  TIRES; WHEELS; SUSPENSION; SERVICE BRAKES

  Mfr Comm. #:

  PIP5820

  Date Added:

  September 13, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates Some customers may comment when coasting to a stop between 15-13 mph there is a shudder type sensation that can also be described as rumble strips in the vehicle that felt when coming to a stop. Upon inspection of concern technician will be able to easily duplicate the concern every time between those speeds.  Currently the cause is unknown Engineering is looking it to this concern.

  Associated Products (2)

  2021 Chevrolet Silverado2021 GMC Sierra
  Associated Documents

  • DownloadMC-10201328-0001.pdf↗
• August 24, 2021•Document ID: 10201326

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIT5387K

  Date Added:

  September 13, 2021

  Manufacturer:

  CHEVROLET

  Summary

  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.

  Associated Products (18)

  2022 Chevrolet Silverado2022 GMC Sierra2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra2018 Chevrolet Silverado2018 GMC Sierra2017 Chevrolet Silverado2017 GMC Sierra2016 Chevrolet Silverado2016 GMC Sierra2015 Chevrolet Silverado2015 GMC Sierra2014 Chevrolet Silverado2014 GMC Sierra
  Associated Documents

  • DownloadMC-10201326-0001.pdf↗
• August 20, 2021•Document ID: 10201323

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  PIP5817

  Date Added:

  September 13, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to the dealers information related to a hot idle tick noise from the engine. Testing to isolate the noise to the upper engine / valve train and repair recommendations related to valve train components.

  Associated Products (2)

  2021 Chevrolet Silverado2021 GMC Sierra
  Associated Documents

  • DownloadMC-10201323-0001.pdf↗
• August 20, 2021•Document ID: 10205057

  Service Bulletin/Repair Instructions
  FUEL SYSTEM, GASOLINE

  Mfr Comm. #:

  20NA110

  Date Added:

  December 20, 2021

  Manufacturer:

  GMC

  Summary

  This service bulletin advises the technician on what to do if the DEF pump has been replaced and perform a leak test to prime the pump.

  Associated Products (48)

  2021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Chevrolet 4500HD2021 Chevrolet 5500HD2021 Chevrolet Colorado2021 Chevrolet Express2021 Chevrolet Silverado2021 Chevrolet Tahoe2021 GMC Canyon2021 GMC Savana2021 GMC Sierra2021 GMC Yukon2021 GMC Yukon XL2020 Chevrolet Colorado2020 Chevrolet Express2020 Chevrolet Silverado2020 GMC Canyon2020 GMC Savana2020 GMC Sierra2020 GMC Terrain+ 28 more
  Associated Documents

  • DownloadMC-10205057-0001.pdf↗
• August 19, 2021•Document ID: 10201321

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:WARNING; PARKING BRAKE

  Mfr Comm. #:

  PIT5662F

  Date Added:

  September 13, 2021

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (37)

  2022 Buick Enclave2022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Silverado2022 Chevrolet Traverse2022 GMC Acadia2022 GMC Sierra2021 Buick Enclave2021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Silverado2021 Chevrolet Traverse2021 GMC Acadia2021 GMC Sierra2020 Buick Enclave2020 Cadillac XT52020 Cadillac XT62020 Chevrolet Blazer+ 17 more
  Associated Documents

  • DownloadMC-10201321-0001.pdf↗
• August 19, 2021•Document ID: 10201318

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  PIC6438B

  Date Added:

  September 13, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates a condition where the Video Processing Control Module is not able to be programmed to the vehicle. This PI offeres a couple workarounds while Engineering evaluates the concern.

  Associated Products (37)

  2021 Buick Enclave2021 Buick Encore GX2021 Cadillac CT62021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Equinox2021 Chevrolet Silverado2021 Chevrolet Traverse2021 GMC Acadia2021 GMC Sierra2021 GMC Terrain2020 Buick Enclave2020 Buick Encore GX2020 Cadillac CT62020 Cadillac XT42020 Cadillac XT52020 Cadillac XT6+ 17 more
  Associated Documents

  • DownloadMC-10201318-0001.pdf↗
• August 18, 2021•Document ID: 10201316

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIC6444

  Date Added:

  September 13, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates a possible SIM issue with vehicles in the middle east.

  Associated Products (17)

  2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Corvette2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Acadia2021 GMC Sierra2021 GMC Yukon2021 GMC Yukon XL
  Associated Documents

  • DownloadMC-10201316-0001.pdf↗
• August 18, 2021•Document ID: 10201315

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  PIP5794B

  Date Added:

  September 13, 2021

  Manufacturer:

  CHEVROLET

  Summary

  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.

  Associated Products (14)

  2021 Cadillac Escalade2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Yukon2020 Cadillac Escalade2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 GMC Sierra2020 GMC Yukon2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10201315-0001.pdf↗
• August 16, 2021•Document ID: 10201313

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIT5743A

  Date Added:

  September 13, 2021

  Manufacturer:

  GMC

  Summary

  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.

  Associated Products (8)

  2022 Chevrolet Silverado2022 GMC Sierra2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10201313-0001.pdf↗
• August 16, 2021•Document ID: 10201311

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; ENGINE

  Mfr Comm. #:

  PIP5806C

  Date Added:

  September 13, 2021

  Manufacturer:

  CADILLAC

  Summary

  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.

  Associated Products (8)

  2021 Cadillac Escalade ESV2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Yukon XL2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10201311-0001.pdf↗
• August 11, 2021•Document ID: 10201310

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  PIT3099U

  Date Added:

  September 13, 2021

  Manufacturer:

  CADILLAC

  Summary

  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.

  Associated Products (836)

  2022 Buick Enclave2022 Buick Encore2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Bolt EV2022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Equinox2022 Chevrolet Express2022 Chevrolet Malibu2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 Chevrolet Trailblazer2022 Chevrolet Traverse+ 816 more
  Associated Documents

  • DownloadMC-10201310-0001.pdf↗
• August 9, 2021•Document ID: 10201307

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIC6438A

  Date Added:

  September 13, 2021

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates a condition where the Video Processing Control Module is not able to be programmed to the vehicle. This PI offeres a couple workarounds while Engineering evaluates the concern.

  Associated Products (37)

  2021 Buick Enclave2021 Buick Encore GX2021 Cadillac CT62021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Equinox2021 Chevrolet Silverado2021 Chevrolet Traverse2021 GMC Acadia2021 GMC Sierra2021 GMC Terrain2020 Buick Enclave2020 Buick Encore GX2020 Cadillac CT62020 Cadillac XT42020 Cadillac XT52020 Cadillac XT6+ 17 more
  Associated Documents

  • DownloadMC-10201307-0001.pdf↗
• August 6, 2021•Document ID: 10205059

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM:12V/24V/48V BATTERY

  Mfr Comm. #:

  20NA132

  Date Added:

  December 20, 2021

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (327)

  2022 Buick Enclave2022 Buick Encore2022 Buick Encore GX2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Bolt EUV2022 Chevrolet Bolt EV2022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Corvette2022 Chevrolet Equinox2022 Chevrolet Express2022 Chevrolet Malibu+ 307 more
  Associated Documents

  • DownloadMC-10205059-0001.pdf↗
• August 6, 2021•Document ID: 10205048

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  18NA073

  Date Added:

  December 20, 2021

  Manufacturer:

  BUICK

  Summary

  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.

  Associated Products (282)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet 35002021 Chevrolet 4500HD2021 Chevrolet 5500HD2021 Chevrolet Blazer2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express+ 262 more
  Associated Documents

  • DownloadMC-10205048-0001.pdf↗
• August 6, 2021•Document ID: 10201306

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  PIP5806B

  Date Added:

  September 13, 2021

  Manufacturer:

  CHEVROLET

  Summary

  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.

  Associated Products (8)

  2021 Cadillac Escalade ESV2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Yukon XL2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10201306-0001.pdf↗
• July 30, 2021•Document ID: 10201264

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  PIP5816

  Date Added:

  September 13, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates    A customer vehicle may have a concern of a P0300 setting after bulletin 21-NA-154 has been performed. Unknown Engineering is looking it to this concern

  Associated Products (2)

  2021 Chevrolet Silverado2021 GMC Sierra
  Associated Documents

  • DownloadMC-10201264-0001.pdf↗
• July 22, 2021•Document ID: 10201253

  Service Bulletin/Repair Instructions
  AIR BAGS; ELECTRICAL SYSTEM; TRAILER HITCHES

  Mfr Comm. #:

  PIT5509H

  Date Added:

  September 13, 2021

  Manufacturer:

  GMC

  Summary

  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.

  Associated Products (59)

  2022 Cadillac Escalade ESV2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Canyon2022 GMC Sierra2022 GMC Yukon XL2021 Cadillac Escalade ESV2021 Chevrolet Colorado2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Canyon2021 GMC Sierra2021 GMC Yukon XL2020 Chevrolet Colorado2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 GMC Canyon+ 39 more
  Associated Documents

  • DownloadMC-10201253-0001.pdf↗
• July 22, 2021•Document ID: 10201177

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIT5509H

  Date Added:

  September 13, 2021

  Manufacturer:

  CHEVROLET

  Summary

  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.

  Associated Products (60)

  2022 Cadillac Escalade ESV2022 Chevrolet Colorado2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Canyon2022 GMC Sierra2022 GMC Yukon XL2021 Cadillac Escalade ESV2021 Chevrolet Colorado2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Canyon2021 GMC Sierra2021 GMC Yukon XL2020 Chevrolet Colorado2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe+ 40 more
  Associated Documents

  • DownloadMC-10201177-0001.pdf↗
• July 21, 2021•Document ID: 10201252

  Service Bulletin/Repair Instructions
  POWER TRAIN; AIR BAGS

  Mfr Comm. #:

  PIC5650J

  Date Added:

  September 13, 2021

  Manufacturer:

  CHEVROLET

  Summary

  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.

  Associated Products (561)

  2022 Buick Encore2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Bolt EV2022 Chevrolet Camaro2022 Chevrolet Equinox2022 Chevrolet Express2022 Chevrolet Malibu2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 Chevrolet Trailblazer2022 Chevrolet Traverse2022 Chevrolet Trax2022 GMC Acadia2022 GMC Canyon+ 541 more
  Associated Documents

  • DownloadMC-10201252-0001.pdf↗