GMC Sierra Service Bulletins (2021)

1,650 manufacturer communications on file.

• October 16, 2020•Document ID: 10183191

  Service Bulletin/Repair Instructions
  EQUIPMENT:ELECTRICAL

  Mfr Comm. #:

  20NA160

  Date Added:

  November 30, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information for dealers/technicians on Normal Characteristic - Wireless Phone Projection Audio Cuts Out Every 10 Seconds on New/Unsold Vehicles.

  Associated Products (17)

  2021 Buick Encore GX2021 Cadillac CT52021 Cadillac Escalade2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Colorado2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Acadia2021 GMC Canyon2021 GMC Sierra2021 GMC Yukon2021 GMC Yukon XL
  Associated Documents

  • DownloadMC-10183191-0001.pdf↗
• October 15, 2020•Document ID: 10183795

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  PIE0590

  Date Added:

  December 7, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This engineering information (EI) 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).

  Associated Products (6)

  2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10183795-0001.pdf↗
• October 13, 2020•Document ID: 10183168

  Service Bulletin/Repair Instructions
  FUEL SYSTEM, DIESEL; FUEL SYSTEM, DIESEL:DELIVERY:FUEL PUMP

  Mfr Comm. #:

  20NA110

  Date Added:

  November 30, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This informational 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 (41)

  2021 Chevrolet Colorado2021 Chevrolet Express2021 Chevrolet Silverado2021 GMC Canyon2021 GMC Savana2021 GMC Sierra2020 Chevrolet Colorado2020 Chevrolet Express2020 Chevrolet Silverado2020 GMC Canyon2020 GMC Savana2020 GMC Sierra2020 GMC Terrain2019 Chevrolet Colorado2019 Chevrolet Cruze2019 Chevrolet Equinox2019 Chevrolet Express2019 Chevrolet Silverado2019 GMC Canyon2019 GMC Savana+ 21 more
  Associated Documents

  • DownloadMC-10183168-0001.pdf↗
• October 9, 2020•Document ID: 10183780

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  060089026Q

  Date Added:

  December 7, 2020

  Manufacturer:

  CADILLAC

  Summary

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

  Associated Products (267)

  2021 Buick Enclave2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe+ 247 more
  Associated Documents

  • DownloadMC-10183780-0001.pdf↗
• October 8, 2020•Document ID: 10182543

  Service Bulletin/Repair Instructions
  EQUIPMENT:APPLIANCE:AIR CONDITIONER

  Mfr Comm. #:

  PIT5734A

  Date Added:

  November 16, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates an issue with poor heater performance and advises dealerships to inspect the heater core inlet and outlet hoses for being twisted or kinked.

  Associated Products (4)

  2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10182543-0001.pdf↗
• October 8, 2020•Document ID: 10182542

  Service Bulletin/Repair Instructions
  EQUIPMENT:APPLIANCE:AIR CONDITIONER

  Mfr Comm. #:

  PIT5736A

  Date Added:

  November 16, 2020

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (6)

  2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10182542-0001.pdf↗
• October 7, 2020•Document ID: 10182540

  Service Bulletin/Repair Instructions
  FORWARD COLLISION AVOIDANCE

  Mfr Comm. #:

  PIT5551F

  Date Added:

  November 16, 2020

  Manufacturer:

  CHEVROLET

  Summary

  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".

  Associated Products (98)

  2021 Buick Enclave2021 Cadillac Escalade2021 Cadillac XT42021 Cadillac XT52021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Equinox2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 Chevrolet Traverse2021 GMC Acadia2021 GMC Sierra2021 GMC Terrain2021 GMC Yukon XL2020 Buick Enclave2020 Cadillac CT62020 Cadillac Escalade ESV2020 Cadillac XT4+ 78 more
  Associated Documents

  • DownloadMC-10182540-0001.pdf↗
• October 5, 2020•Document ID: 10182535

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  PIP5733E

  Date Added:

  November 16, 2020

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (21)

  2021 Cadillac Escalade2021 Chevrolet Equinox2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Terrain2021 GMC Yukon2020 Cadillac Escalade2020 Chevrolet Corvette2020 Chevrolet Equinox2020 Chevrolet Malibu2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 GMC Sierra2020 GMC Terrain2020 GMC Yukon2019 Chevrolet Silverado+ 1 more
  Associated Documents

  • DownloadMC-10182535-0001.pdf↗
• September 30, 2020•Document ID: 10181180

  Service Bulletin/Repair Instructions
  PARKING BRAKE; WHEELS

  Mfr Comm. #:

  PIP5753

  Date Added:

  October 19, 2020

  Manufacturer:

  GMC

  Summary

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

  Associated Products (4)

  2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10181180-0001.pdf↗
• September 30, 2020•Document ID: 10181724

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

  Mfr Comm. #:

  110089005P

  Date Added:

  October 26, 2020

  Manufacturer:

  GMC

  Summary

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

  Associated Products (369)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe+ 349 more
  Associated Documents

  • DownloadMC-10181724-0001.pdf↗
• September 29, 2020•Document ID: 10181675

  Service Bulletin/Repair Instructions
  STRUCTURE:BODY; EQUIPMENT

  Mfr Comm. #:

  18NA306

  Date Added:

  October 26, 2020

  Manufacturer:

  CADILLAC

  Summary

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

  Associated Products (400)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 Chevrolet Trailblazer+ 380 more
  Associated Documents

  • DownloadMC-10181675-0001.pdf↗
• September 23, 2020•Document ID: 10181729

  Service Bulletin/Repair Instructions
  FUEL SYSTEM, OTHER; ENGINE

  Mfr Comm. #:

  PIE0574A

  Date Added:

  October 26, 2020

  Manufacturer:

  GMC

  Summary

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

  Associated Products (4)

  2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10181729-0001.pdf↗
• September 22, 2020•Document ID: 10181158

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  PIP5733D

  Date Added:

  October 19, 2020

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (21)

  2021 Cadillac Escalade2021 Chevrolet Equinox2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Terrain2021 GMC Yukon2020 Cadillac Escalade2020 Chevrolet Corvette2020 Chevrolet Equinox2020 Chevrolet Malibu2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 GMC Sierra2020 GMC Terrain2020 GMC Yukon2019 Chevrolet Silverado+ 1 more
  Associated Documents

  • DownloadMC-10181158-0001.pdf↗
• September 21, 2020•Document ID: 10181732

  Service Bulletin/Repair Instructions
  EXTERIOR LIGHTING; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY

  Mfr Comm. #:

  PIE0584

  Date Added:

  October 26, 2020

  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-10181732-0001.pdf↗
• September 18, 2020•Document ID: 10181148

  Service Bulletin/Repair Instructions
  STRUCTURE

  Mfr Comm. #:

  PIT5709A

  Date Added:

  October 19, 2020

  Manufacturer:

  GMC

  Summary

  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.

  Associated Products (4)

  2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10181148-0001.pdf↗
• September 17, 2020•Document ID: 10181695

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  20NA157

  Date Added:

  October 26, 2020

  Manufacturer:

  GMC

  Summary

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

  Associated Products (168)

  2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Equinox2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 Chevrolet Trailblazer2021 GMC Acadia2021 GMC Canyon+ 148 more
  Associated Documents

  • DownloadMC-10181695-0001.pdf↗
• September 9, 2020•Document ID: 10181713

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  20NA187

  Date Added:

  October 26, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This technical bulletin provides a repair procedure to correct a customer concern of Delayed and/or Harsh Engagement of Transmission Shift After Vehicle Sitting with Engine Off.

  Associated Products (33)

  2021 Cadillac CT42021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Silverado2021 GMC Canyon2021 GMC Savana2021 GMC Sierra2020 Chevrolet Camaro2020 Chevrolet Colorado2020 Chevrolet Express2020 Chevrolet Silverado2020 GMC Canyon2020 GMC Sierra2019 Cadillac ATS2019 Cadillac CT62019 Cadillac CTS2019 Chevrolet Camaro2019 Chevrolet Colorado2019 Chevrolet Corvette2019 Chevrolet Express+ 13 more
  Associated Documents

  • DownloadMC-10181713-0001.pdf↗
• September 2, 2020•Document ID: 10181660

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  16NA019

  Date Added:

  October 26, 2020

  Manufacturer:

  GMC

  Summary

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

  Associated Products (225)

  2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 Chevrolet Trailblazer2021 GMC Acadia2021 GMC Canyon2021 GMC Savana2021 GMC Sierra+ 205 more
  Associated Documents

  • DownloadMC-10181660-0001.pdf↗
• August 27, 2020•Document ID: 10179658

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  PIP5733C

  Date Added:

  September 14, 2020

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (22)

  2021 Cadillac Escalade2021 Chevrolet Equinox2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Terrain2021 GMC Yukon2020 Cadillac CT52020 Cadillac Escalade2020 Chevrolet Corvette2020 Chevrolet Equinox2020 Chevrolet Malibu2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 GMC Sierra2020 GMC Terrain2020 GMC Yukon+ 2 more
  Associated Documents

  • DownloadMC-10179658-0001.pdf↗
• August 14, 2020•Document ID: 10180317

  Service Bulletin/Repair Instructions
  TIRES

  Mfr Comm. #:

  20NA159

  Date Added:

  September 28, 2020

  Manufacturer:

  CADILLAC

  Summary

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

  Associated Products (345)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Camaro2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 Chevrolet Trailblazer2021 GMC Acadia2021 GMC Canyon+ 325 more
  Associated Documents

  • DownloadMC-10180317-0001.pdf↗