GMC Sierra Service Bulletins (2021)

1,650 manufacturer communications on file.

• January 28, 2022•Document ID: 10214206

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE; EQUIPMENT

  Mfr Comm. #:

  21NA095

  Date Added:

  June 21, 2022

  Manufacturer:

  CHEVROLET

  Summary

  This technical bulletin provides a procedure to seal the exhaust at the UFSCR and Tailpipe flange.

  Associated Products (20)

  2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Sierra2022 GMC Yukon2022 GMC Yukon XL2021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Yukon2021 GMC Yukon XL2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 GMC Sierra2020 GMC Yukon2020 GMC Yukon XL
  Associated Documents

  • DownloadMC-10214206-0001.pdf↗
• January 28, 2022•Document ID: 10213766

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

  Mfr Comm. #:

  990089019W

  Date Added:

  June 13, 2022

  Manufacturer:

  BUICK

  Summary

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

  Associated Products (317)

  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 35002022 Chevrolet 4500HD2022 Chevrolet 5500HD2022 Chevrolet Blazer2022 Chevrolet Bolt EUV2022 Chevrolet Bolt EV2022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Corvette+ 297 more
  Associated Documents

  • DownloadMC-10213766-0001.pdf↗
• January 28, 2022•Document ID: 10213762

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

  Mfr Comm. #:

  080089014G

  Date Added:

  June 13, 2022

  Manufacturer:

  CADILLAC

  Summary

  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).

  Associated Products (531)

  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 35002022 Chevrolet 4500HD2022 Chevrolet 5500HD2022 Chevrolet Blazer2022 Chevrolet Bolt EUV2022 Chevrolet Bolt EV2022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Corvette+ 511 more
  Associated Documents

  • DownloadMC-10213762-0001.pdf↗
• January 28, 2022•Document ID: 10212633

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

  Mfr Comm. #:

  22NA018

  Date Added:

  May 31, 2022

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (280)

  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 35002022 Chevrolet 4500HD2022 Chevrolet 5500HD2022 Chevrolet Blazer2022 Chevrolet Bolt EUV2022 Chevrolet Bolt EV2022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Corvette+ 260 more
  Associated Documents

  • DownloadMC-10212633-0001.pdf↗
• January 28, 2022•Document ID: 10212631

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  22NA015

  Date Added:

  May 31, 2022

  Manufacturer:

  GMC

  Summary

  This informational bulletin provides graphs to help identify possible issues that may cause shaking and shudders and what may be the cause of said issue.

  Associated Products (16)

  2022 Cadillac Escalade2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Sierra2022 GMC Yukon2022 GMC Yukon XL2021 Cadillac Escalade2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Yukon2021 GMC Yukon XL2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10212631-0001.pdf↗
• January 27, 2022•Document ID: 10208062

  Service Bulletin/Repair Instructions
  VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

  Mfr Comm. #:

  PIP5833B

  Date Added:

  February 14, 2022

  Manufacturer:

  GMC

  Summary

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

  Associated Products (6)

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

  • DownloadMC-10208062-0001.pdf↗
• January 27, 2022•Document ID: 10213768

  Service Bulletin/Repair Instructions
  EQUIPMENT; STRUCTURE

  Mfr Comm. #:

  PI0653F

  Date Added:

  June 13, 2022

  Manufacturer:

  CADILLAC

  Summary

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

  Associated Products (565)

  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 35002022 Chevrolet 4500HD2022 Chevrolet 5500HD2022 Chevrolet Blazer2022 Chevrolet Bolt EUV2022 Chevrolet Bolt EV2022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Corvette+ 545 more
  Associated Documents

  • DownloadMC-10213768-0001.pdf↗
• January 27, 2022•Document ID: 10213765

  Service Bulletin/Repair Instructions
  FUEL SYSTEM, OTHER

  Mfr Comm. #:

  150089004D

  Date Added:

  June 13, 2022

  Manufacturer:

  CHEVROLET

  Summary

  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.

  Associated Products (643)

  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 35002022 Chevrolet 4500HD2022 Chevrolet 5500HD2022 Chevrolet Blazer2022 Chevrolet Bolt EUV2022 Chevrolet Bolt EV2022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Corvette+ 623 more
  Associated Documents

  • DownloadMC-10213765-0001.pdf↗
• January 27, 2022•Document ID: 10213761

  Service Bulletin/Repair Instructions
  BACK OVER PREVENTION

  Mfr Comm. #:

  070601016G

  Date Added:

  June 13, 2022

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (511)

  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 35002022 Chevrolet 4500HD2022 Chevrolet 5500HD2022 Chevrolet Blazer2022 Chevrolet Bolt EUV2022 Chevrolet Bolt EV2022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Corvette+ 491 more
  Associated Documents

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• January 27, 2022•Document ID: 10212603

  Service Bulletin/Repair Instructions
  SERVICE BRAKES

  Mfr Comm. #:

  18NA067

  Date Added:

  May 31, 2022

  Manufacturer:

  GMC

  Summary

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

  Associated Products (350)

  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 35002022 Chevrolet 4500HD2022 Chevrolet 5500HD2022 Chevrolet Blazer2022 Chevrolet Bolt EUV2022 Chevrolet Bolt EV2022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Corvette+ 330 more
  Associated Documents

  • DownloadMC-10212603-0001.pdf↗
• January 27, 2022•Document ID: 10208064

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  PIP5808A

  Date Added:

  February 14, 2022

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (14)

  2022 Cadillac Escalade ESV2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Sierra2022 GMC Yukon XL2021 Cadillac Escalade ESV2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Yukon XL2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10208064-0001.pdf↗
• January 27, 2022•Document ID: 10208063

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  PIP5791A

  Date Added:

  February 14, 2022

  Manufacturer:

  CHEVROLET

  Summary

  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.

  Associated Products (14)

  2022 Cadillac Escalade ESV2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Sierra2022 GMC Yukon XL2021 Cadillac Escalade ESV2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Yukon XL2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

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• January 26, 2022•Document ID: 10212591

  Service Bulletin/Repair Instructions
  AIR BAGS; POWER TRAIN

  Mfr Comm. #:

  16NA361

  Date Added:

  May 31, 2022

  Manufacturer:

  GMC

  Summary

  This service bulletin provides service /diagnostic information to aid with a Transmission Harsh 1-2 Shift Upon First Start Up/Shift of the Day Under Light Throttle.

  Associated Products (80)

  2022 Cadillac CT42022 Chevrolet Camaro2022 Chevrolet Equinox2022 Chevrolet Express2022 Chevrolet Silverado2022 GMC Canyon2022 GMC Savana2022 GMC Sierra2021 Cadillac CT42021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Express2021 Chevrolet Silverado2021 GMC Canyon2021 GMC Savana2021 GMC Sierra2020 Cadillac CT42020 Cadillac CT62020 Chevrolet Camaro2020 Chevrolet Colorado+ 60 more
  Associated Documents

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• January 26, 2022•Document ID: 10208061

  Service Bulletin/Repair Instructions
  VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:HEATER CORE

  Mfr Comm. #:

  PIT5734C

  Date Added:

  February 14, 2022

  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 (14)

  2022 Cadillac Escalade ESV2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Sierra2022 GMC Yukon XL2021 Cadillac Escalade ESV2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Yukon XL2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10208061-0001.pdf↗
• January 26, 2022•Document ID: 10208058

  Service Bulletin/Repair Instructions
  BACK OVER PREVENTION

  Mfr Comm. #:

  PIP5817A

  Date Added:

  February 14, 2022

  Manufacturer:

  CADILLAC

  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 (28)

  2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Silverado2022 GMC Acadia2022 GMC Sierra2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Silverado2021 GMC Acadia2021 GMC Sierra+ 8 more
  Associated Documents

  • DownloadMC-10208058-0001.pdf↗
• January 25, 2022•Document ID: 10214216

  Service Bulletin/Repair Instructions
  WHEELS; SERVICE BRAKES

  Mfr Comm. #:

  21NA275

  Date Added:

  June 21, 2022

  Manufacturer:

  GMC

  Summary

  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.

  Associated Products (18)

  2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Yukon2021 GMC Yukon XL2020 Cadillac CT42020 Cadillac CT52020 Cadillac CT62020 Cadillac Escalade2020 Cadillac Escalade ESV2020 Chevrolet Silverado2020 GMC Sierra2019 Cadillac CT6
  Associated Documents

  • DownloadMC-10214216-0001.pdf↗
• January 24, 2022•Document ID: 10208052

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIP5711B

  Date Added:

  February 14, 2022

  Manufacturer:

  CHEVROLET

  Summary

  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.

  Associated Products (6)

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

  • DownloadMC-10208052-0001.pdf↗
• January 24, 2022•Document ID: 10214199

  Service Bulletin/Repair Instructions
  EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE

  Mfr Comm. #:

  20NA090

  Date Added:

  June 21, 2022

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (30)

  2022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Chevrolet 35002022 Chevrolet 5500HD2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Sierra2022 GMC Yukon2022 GMC Yukon XL2021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Chevrolet 35002021 Chevrolet 5500HD2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Yukon2021 GMC Yukon XL+ 10 more
  Associated Documents

  • DownloadMC-10214199-0001.pdf↗
• January 24, 2022•Document ID: 10213777

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING; POWER TRAIN

  Mfr Comm. #:

  PIE0676

  Date Added:

  June 13, 2022

  Manufacturer:

  CADILLAC

  Summary

  This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Engine Coolant Reservoir Being Overfilled with Discolored Coolant, Shudder, Shake, Vibration, Harsh Shift, Delayed Shift and/or Slipping Transmission Performance.

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  2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Sierra2022 GMC Yukon2022 GMC Yukon XL2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Yukon2021 GMC Yukon XL+ 14 more
  Associated Documents

  • DownloadMC-10213777-0001.pdf↗
• January 24, 2022•Document ID: 10208053

  Service Bulletin/Repair Instructions
  ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC)

  Mfr Comm. #:

  PIT4322M

  Date Added:

  February 14, 2022

  Manufacturer:

  CADILLAC

  Summary

  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.

  Associated Products (103)

  2022 Cadillac Escalade2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Sierra2022 GMC Yukon2021 Cadillac Escalade2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Yukon2020 Cadillac Escalade2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 GMC Sierra2020 GMC Yukon2019 Cadillac Escalade2019 Chevrolet Silverado+ 83 more
  Associated Documents

  • DownloadMC-10208053-0001.pdf↗