GMC Sierra Service Bulletins (2021)

1,650 manufacturer communications on file.

• July 21, 2022•Document ID: 10217779

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

  Mfr Comm. #:

  PIT5926A

  Date Added:

  August 15, 2022

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates information on correcting a rattle noise from the underbody exhaust heat shield.

  Associated Products (18)

  2023 Cadillac Escalade2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Sierra2023 GMC Yukon2022 Cadillac Escalade2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Sierra2022 GMC Yukon2021 Cadillac Escalade2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Yukon
  Associated Documents

  • DownloadMC-10217779-0001.pdf↗
• July 21, 2022•Document ID: 10217069

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR; ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  22-NA-080

  Date Added:

  August 3, 2022

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (80)

  2022 Cadillac CT52022 Cadillac Escalade2022 Chevrolet Camaro2022 Chevrolet Corvette2022 Chevrolet Equinox2022 Chevrolet Express2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Savana2022 GMC Sierra2022 GMC Yukon2022 GMC Yukon XL2021 Cadillac Escalade2021 Chevrolet Camaro2021 Chevrolet Corvette2021 Chevrolet Express2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe+ 60 more
  Associated Documents

  • DownloadMC-10217069-0001.pdf↗
• July 21, 2022•Document ID: 10217067

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING; POWER TRAIN; FUEL SYSTEM, OTHER:FUEL INJECTION SYSTEM

  Mfr Comm. #:

  22-NA-015

  Date Added:

  August 3, 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 (18)

  2022 Cadillac Escalade2022 Cadillac Escalade ESV2022 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 GMC Sierra
  Associated Documents

  • DownloadMC-10217067-0001.pdf↗
• July 19, 2022•Document ID: 10217050

  Service Bulletin/Repair Instructions
  SUSPENSION

  Mfr Comm. #:

  20-NA-022

  Date Added:

  August 3, 2022

  Manufacturer:

  GMC

  Summary

  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).

  Associated Products (6)

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

  • DownloadMC-10217050-0001.pdf↗
• July 18, 2022•Document ID: 10217048

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

  Mfr Comm. #:

  18-NA-306

  Date Added:

  August 3, 2022

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (521)

  2023 Buick Enclave2023 Cadillac Lyriq2023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Camaro2023 Chevrolet Corvette2023 Chevrolet Silverado2023 Chevrolet Traverse2023 GMC Acadia2023 GMC Hummer EV Pickup2022 Buick Enclave2022 Buick Encore2022 Buick Encore GX2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Cadillac XT4+ 501 more
  Associated Documents

  • DownloadMC-10217048-0001.pdf↗
• July 14, 2022•Document ID: 10217770

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  PIT5929

  Date Added:

  August 15, 2022

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates an issue with the power assist steps having erratic operation and not staying deployed.  Engineering is working on a fix.

  Associated Products (4)

  2022 Chevrolet Silverado2022 GMC Sierra2021 Chevrolet Silverado2021 GMC Sierra
  Associated Documents

  • DownloadMC-10217770-0001.pdf↗
• July 11, 2022•Document ID: 10216049

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  19-NA-218

  Date Added:

  July 20, 2022

  Manufacturer:

  GMC

  Summary

  This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.

  Associated Products (37)

  2022 Cadillac Escalade2022 Chevrolet Camaro2022 Chevrolet Corvette2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Sierra2022 GMC Yukon2022 GMC Yukon XL2021 Cadillac Escalade2021 Chevrolet Camaro2021 Chevrolet Corvette2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Yukon2021 GMC Yukon XL2020 Cadillac Escalade2020 Chevrolet Camaro+ 17 more
  Associated Documents

  • DownloadMC-10216049-0001.pdf↗
• July 5, 2022•Document ID: 10217763

  Service Bulletin/Repair Instructions
  EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

  Mfr Comm. #:

  PIT5927

  Date Added:

  August 15, 2022

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information provides a proactive communication to dealers advising that engineering is aware of the Turn by Turn concern, and working on a resolution.  It also advises that once a repair is available that the PI will be replaced by a Service Bulletin.

  Associated Products (4)

  2022 Chevrolet Silverado2022 GMC Sierra2021 Chevrolet Silverado2021 GMC Sierra
  Associated Documents

  • DownloadMC-10217763-0001.pdf↗
• July 5, 2022•Document ID: 10217764

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM; SERVICE BRAKES, AIR:ANTILOCK:WHEEL SPEED SENSOR

  Mfr Comm. #:

  PIT5569B

  Date Added:

  August 15, 2022

  Manufacturer:

  CADILLAC

  Summary

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

  Associated Products (337)

  2022 Buick Enclave2022 Buick Encore2022 Buick Envision2022 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 Trailblazer+ 317 more
  Associated Documents

  • DownloadMC-10217764-0001.pdf↗
• July 1, 2022•Document ID: 10217762

  Service Bulletin/Repair Instructions
  EQUIPMENT; TIRES

  Mfr Comm. #:

  PIT4261H

  Date Added:

  August 15, 2022

  Manufacturer:

  CHEVROLET

  Summary

  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.

  Associated Products (436)

  2022 Buick Enclave2022 Buick Encore2022 Buick Envision2022 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 Trailblazer+ 416 more
  Associated Documents

  • DownloadMC-10217762-0001.pdf↗
• June 30, 2022•Document ID: 10215648

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM

  Mfr Comm. #:

  22-NA-082

  Date Added:

  July 12, 2022

  Manufacturer:

  GMC

  Summary

  This technical bulletin provides repair information to correct a customer concern of Malfunction Indicator Lamp Illuminated with DTC P06DD, P2B60, P26BB, P1098 Set.

  Associated Products (18)

  2022 Cadillac Escalade2022 Cadillac Escalade ESV2022 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 GMC Sierra
  Associated Documents

  • DownloadMC-10215648-0001.pdf↗
• June 29, 2022•Document ID: 10216377

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

  Mfr Comm. #:

  PIT5926

  Date Added:

  July 25, 2022

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates information on correcting a rattle noise from the underbody exhaust heat shield

  Associated Products (14)

  2022 Cadillac Escalade2022 Chevrolet 35002022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Sierra2022 GMC Yukon2021 Cadillac Escalade2021 Chevrolet 35002021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Yukon
  Associated Documents

  • DownloadMC-10216377-0001.pdf↗
• June 29, 2022•Document ID: 10216376

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  PIP5212D

  Date Added:

  July 25, 2022

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary Information communication provides information to the technician about vehicles that have run hot and or has a tick noise. Technician should inspect the head gaskets to ensure are not installed backwards. Technician should replace the head gasket if they are found installed backwards.

  Associated Products (69)

  2022 Cadillac Escalade2022 Chevrolet Camaro2022 Chevrolet Corvette2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Sierra2022 GMC Yukon XL2021 Cadillac Escalade2021 Chevrolet Camaro2021 Chevrolet Corvette2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Yukon XL2020 Cadillac Escalade2020 Chevrolet Camaro2020 Chevrolet Corvette2020 Chevrolet Silverado+ 49 more
  Associated Documents

  • DownloadMC-10216376-0001.pdf↗
• June 29, 2022•Document ID: 10215658

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  PIE0685A

  Date Added:

  July 12, 2022

  Manufacturer:

  GMC

  Summary

  This engineering information (EI) closure ends the need for further information regarding oil leaking from the lower oil pan seal area.

  Associated Products (16)

  2022 Cadillac Escalade2022 Cadillac Escalade ESV2022 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 XL
  Associated Documents

  • DownloadMC-10215658-0001.pdf↗
• June 28, 2022•Document ID: 10215655

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  22-NA-135

  Date Added:

  July 12, 2022

  Manufacturer:

  CHEVROLET

  Summary

  This warranty admin bulletin covers information on Essential Tools that include Consumable Parts.

  Associated Products (326)

  2023 Buick Enclave2023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Camaro2023 Chevrolet Corvette2023 Chevrolet Silverado2023 Chevrolet Traverse2023 GMC Acadia2022 Buick Enclave2022 Buick Encore2022 Buick Encore GX2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT6+ 306 more
  Associated Documents

  • DownloadMC-10215655-0001.pdf↗
• June 27, 2022•Document ID: 10215643

  Service Bulletin/Repair Instructions
  EQUIPMENT; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  12-01-37-001F

  Date Added:

  July 12, 2022

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides information to dealership personnel on a new refrigerant (R1234yf) for A/C service.

  Associated Products (461)

  2023 Buick Enclave2023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Camaro2023 Chevrolet Corvette2023 Chevrolet Silverado2023 Chevrolet Traverse2023 GMC Acadia2022 Buick Enclave2022 Buick Encore2022 Buick Encore GX2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT6+ 441 more
  Associated Documents

  • DownloadMC-10215643-0001.pdf↗
• June 24, 2022•Document ID: 10215633

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  22-NA-127

  Date Added:

  July 12, 2022

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides repair information on release of Radio Software Version V160 Update to correct customer concerns of radio software issues.

  Associated Products (34)

  2022 Buick Enclave2022 Buick Encore GX2022 Buick Envision2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Bolt EV2022 Chevrolet Camaro2022 Chevrolet Corvette2022 Chevrolet Equinox2022 Chevrolet Malibu2022 Chevrolet Silverado2022 Chevrolet Trailblazer2022 Chevrolet Traverse2022 GMC Acadia2022 GMC Sierra2022 GMC Terrain2021 Buick Encore GX2021 Buick Envision+ 14 more
  Associated Documents

  • DownloadMC-10215633-0001.pdf↗
• June 24, 2022•Document ID: 10215628

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

  Mfr Comm. #:

  22-NA-070

  Date Added:

  July 12, 2022

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part replacements.

  Associated Products (368)

  2023 Buick Enclave2023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Camaro2023 Chevrolet Corvette2023 Chevrolet Silverado2023 Chevrolet Traverse2023 GMC Acadia2022 Buick Enclave2022 Buick Encore2022 Buick Encore GX2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT6+ 348 more
  Associated Documents

  • DownloadMC-10215628-0001.pdf↗
• June 24, 2022•Document ID: 10215627

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  21-NA-188

  Date Added:

  July 12, 2022

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides service information/procedures on continuous improvement Radio Software Version V158 Update to address customer comments on software related issues.

  Associated Products (33)

  2022 Buick Encore GX2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Bolt EV2022 Chevrolet Camaro2022 Chevrolet Corvette2022 Chevrolet Equinox2022 Chevrolet Malibu2022 Chevrolet Trailblazer2022 GMC Acadia2022 GMC Terrain2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT5+ 13 more
  Associated Documents

  • DownloadMC-10215627-0001.pdf↗
• June 23, 2022•Document ID: 10215629

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  22-NA-115

  Date Added:

  July 12, 2022

  Manufacturer:

  GMC

  Summary

  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.

  Associated Products (130)

  2023 Buick Enclave2023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Camaro2023 Chevrolet Corvette2023 Chevrolet Silverado2023 Chevrolet Traverse2023 GMC Acadia2022 Buick Enclave2022 Buick Encore2022 Buick Encore GX2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT6+ 110 more
  Associated Documents

  • DownloadMC-10215629-0001.pdf↗