GMC Sierra Service Bulletins (2021)

1,650 manufacturer communications on file.

• December 14, 2020•Document ID: 10185735

  Service Bulletin/Repair Instructions
  BACK OVER PREVENTION:SOFTWARE

  Mfr Comm. #:

  PIT5793A

  Date Added:

  January 25, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates that engineering is Work on a Software fix for some radio apps not Opening, Connected Navigation (live traffic, etc.) is not functioning (base navigation functions correctly)

  Associated Products (2)

  2021 Chevrolet Silverado2021 GMC Sierra
  Associated Documents

  • DownloadMC-10185735-0001.pdf↗
• December 14, 2020•Document ID: 10185732

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; BACK OVER PREVENTION

  Mfr Comm. #:

  PIT5386F

  Date Added:

  January 25, 2021

  Manufacturer:

  GMC

  Summary

  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.

  Associated Products (16)

  2021 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-10185732-0001.pdf↗
• December 14, 2020•Document ID: 10187185

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  PIT5479D

  Date Added:

  February 16, 2021

  Manufacturer:

  GMC

  Summary

  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.

  Associated Products (58)

  2021 Cadillac Escalade ESV2021 Chevrolet Colorado2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Canyon2021 GMC Sierra2021 GMC Yukon XL2020 Cadillac Escalade ESV2020 Chevrolet Colorado2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 GMC Canyon2020 GMC Sierra2020 GMC Yukon XL2019 Cadillac Escalade ESV2019 Chevrolet Colorado2019 Chevrolet Silverado2019 Chevrolet Suburban+ 38 more
  Associated Documents

  • DownloadMC-10187185-0001.pdf↗
• December 14, 2020•Document ID: 10185734

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  PIT5479D

  Date Added:

  January 25, 2021

  Manufacturer:

  CHEVROLET

  Summary

  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.

  Associated Products (58)

  2021 Cadillac Escalade ESV2021 Chevrolet Colorado2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Canyon2021 GMC Sierra2021 GMC Yukon XL2020 Cadillac Escalade ESV2020 Chevrolet Colorado2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 GMC Canyon2020 GMC Sierra2020 GMC Yukon XL2019 Cadillac Escalade ESV2019 Chevrolet Colorado2019 Chevrolet Silverado2019 Chevrolet Suburban+ 38 more
  Associated Documents

  • DownloadMC-10185734-0001.pdf↗
• December 11, 2020•Document ID: 10187375

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  17NA166

  Date Added:

  February 22, 2021

  Manufacturer:

  CADILLAC

  Summary

  This technical bulletin provides a procedure to measure vibration and install engine mounts to correct a Rough Idle in Drive concern.

  Associated Products (58)

  2021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Yukon2021 GMC Yukon XL2020 Cadillac Escalade2020 Cadillac Escalade ESV2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 GMC Sierra2020 GMC Yukon2020 GMC Yukon XL2019 Cadillac Escalade2019 Cadillac Escalade ESV2019 Chevrolet Suburban2019 Chevrolet Tahoe+ 38 more
  Associated Documents

  • DownloadMC-10187375-0001.pdf↗
• December 11, 2020•Document ID: 10187182

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  PIP5764A

  Date Added:

  February 16, 2021

  Manufacturer:

  CHEVROLET

  Summary

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

  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-10187182-0001.pdf↗
• December 11, 2020•Document ID: 10186061

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING; EQUIPMENT

  Mfr Comm. #:

  17NA166

  Date Added:

  February 1, 2021

  Manufacturer:

  GMC

  Summary

  This technical bulletin provides a procedure to measure vibration and install engine mounts to correct a Rough Idle in Drive concern.

  Associated Products (58)

  2021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Yukon2021 GMC Yukon XL2020 Cadillac Escalade2020 Cadillac Escalade ESV2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 GMC Sierra2020 GMC Yukon2020 GMC Yukon XL2019 Cadillac Escalade2019 Cadillac Escalade ESV2019 Chevrolet Suburban2019 Chevrolet Tahoe+ 38 more
  Associated Documents

  • DownloadMC-10186061-0001.pdf↗
• December 11, 2020•Document ID: 10185731

  Service Bulletin/Repair Instructions
  EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

  Mfr Comm. #:

  PIP5764A

  Date Added:

  January 25, 2021

  Manufacturer:

  CADILLAC

  Summary

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

  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-10185731-0001.pdf↗
• December 10, 2020•Document ID: 10187175

  Service Bulletin/Repair Instructions
  BACK OVER PREVENTION:SOFTWARE; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; BACK OVER PREVENTION:DISPLAY FUNCTION

  Mfr Comm. #:

  PIT5387J

  Date Added:

  February 16, 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 (16)

  2021 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-10187175-0001.pdf↗
• December 8, 2020•Document ID: 10187733

  Service Bulletin/Repair Instructions
  TRAILER HITCHES; EXTERIOR LIGHTING

  Mfr Comm. #:

  PIE0584A

  Date Added:

  March 1, 2021

  Manufacturer:

  CHEVROLET

  Summary

  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.

  Associated Products (4)

  2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10187733-0001.pdf↗
• December 8, 2020•Document ID: 10186112

  Service Bulletin/Repair Instructions
  EQUIPMENT; TRAILER HITCHES; ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIE0584A

  Date Added:

  February 1, 2021

  Manufacturer:

  GMC

  Summary

  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.

  Associated Products (4)

  2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10186112-0001.pdf↗
• December 8, 2020•Document ID: 10187627

  Service Bulletin/Repair Instructions
  EQUIPMENT; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

  Mfr Comm. #:

  090604026S

  Date Added:

  March 1, 2021

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (352)

  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 Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Silverado+ 332 more
  Associated Documents

  • DownloadMC-10187627-0001.pdf↗
• December 8, 2020•Document ID: 10187168

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIC6423

  Date Added:

  February 16, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary Information communication requests information from the technician about vehicles that may have Bluetooth or phone projection issues.  Dealer should request as much information from the customer on the concern as possible and fill in the questionaire.

  Associated Products (16)

  2021 Buick Encore GX2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Colorado2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Acadia2021 GMC Canyon2021 GMC Sierra2021 GMC Yukon
  Associated Documents

  • DownloadMC-10187168-0001.pdf↗
• December 8, 2020•Document ID: 10186106

  Service Bulletin/Repair Instructions
  EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  090604026S

  Date Added:

  February 1, 2021

  Manufacturer:

  GMC

  Summary

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

  Associated Products (351)

  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 Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Silverado+ 331 more
  Associated Documents

  • DownloadMC-10186106-0001.pdf↗
• December 8, 2020•Document ID: 10185717

  Service Bulletin/Repair Instructions
  EQUIPMENT:ELECTRICAL:INFOTAINMENT:BLUETOOTH/WIFI

  Mfr Comm. #:

  PIC6423

  Date Added:

  January 25, 2021

  Manufacturer:

  GMC

  Summary

  This Preliminary Information communication requests information from the technician about vehicles that may have Bluetooth or phone projection issues.  Dealer should request as much information from the customer on the concern as possible and fill in the questionaire.

  Associated Products (16)

  2021 Buick Encore GX2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Colorado2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Acadia2021 GMC Canyon2021 GMC Sierra2021 GMC Yukon
  Associated Documents

  • DownloadMC-10185717-0001.pdf↗
• December 7, 2020•Document ID: 10187740

  Service Bulletin/Repair Instructions
  EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIE0604

  Date Added:

  March 1, 2021

  Manufacturer:

  CHEVROLET

  Summary

  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).

  Associated Products (4)

  2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10187740-0001.pdf↗
• December 7, 2020•Document ID: 10186119

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIE0604

  Date Added:

  February 1, 2021

  Manufacturer:

  GMC

  Summary

  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).

  Associated Products (4)

  2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10186119-0001.pdf↗
• December 4, 2020•Document ID: 10187394

  Service Bulletin/Repair Instructions
  TIRES

  Mfr Comm. #:

  20NA159

  Date Added:

  February 22, 2021

  Manufacturer:

  CADILLAC

  Summary

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

  Associated Products (353)

  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 Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Silverado+ 333 more
  Associated Documents

  • DownloadMC-10187394-0001.pdf↗
• December 4, 2020•Document ID: 10186080

  Service Bulletin/Repair Instructions
  TIRES

  Mfr Comm. #:

  20NA159

  Date Added:

  February 1, 2021

  Manufacturer:

  GMC

  Summary

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

  Associated Products (352)

  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 Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Silverado+ 332 more
  Associated Documents

  • DownloadMC-10186080-0001.pdf↗
• December 3, 2020•Document ID: 10187415

  Service Bulletin/Repair Instructions
  BACK OVER PREVENTION

  Mfr Comm. #:

  20NA220

  Date Added:

  February 22, 2021

  Manufacturer:

  GMC

  Summary

  This technical bulletin provides repair information to correct a customer concern of Rear Camera Inoperable.

  Associated Products (2)

  2021 Chevrolet Silverado2021 GMC Sierra
  Associated Documents

  • DownloadMC-10187415-0001.pdf↗