GMC Sierra Service Bulletins

10,018 manufacturer communications on file.

• September 13, 2024•Document ID: 11007771

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  PIP5996A

  Date Added:

  September 13, 2024

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates diagnostic information for vehicles with transmission noise.

  Associated Products (89)

  2024 Cadillac CT42024 Chevrolet Silverado2024 GMC Canyon2024 GMC Savana2024 GMC Sierra2023 Cadillac CT42023 Chevrolet Camaro2023 Chevrolet Colorado2023 Chevrolet Silverado2023 GMC Canyon2022 Cadillac CT42022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Equinox2022 Chevrolet Express2022 Chevrolet Silverado2022 GMC Canyon2022 GMC Savana2022 GMC Sierra2021 Cadillac CT4+ 69 more
  Associated Documents

  • DownloadMC-11007771-0001.pdf↗
• September 13, 2024•Document ID: 11007768

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  PIP5998

  Date Added:

  September 13, 2024

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates to the technician, if an engine oil leak is coming from the rear main seal, they need to replace the housing that comes with the seal.

  Associated Products (5)

  2024 Cadillac CT42024 Chevrolet Colorado2024 Chevrolet Silverado2024 GMC Canyon2024 GMC Sierra
  Associated Documents

  • DownloadMC-11007768-0001.pdf↗
• September 13, 2024•Document ID: 11007765

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  PIT6224

  Date Added:

  September 13, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates the Heavy Fuel Usage message in the DIC is normal due to low fuel range and current driving habits.

  Associated Products (12)

  2024 Cadillac Escalade2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Sierra2024 GMC Yukon2023 Cadillac Escalade2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Sierra2023 GMC Yukon
  Associated Documents

  • DownloadMC-11007765-0001.pdf↗
• September 13, 2024•Document ID: 11007763

  Service Bulletin/Repair Instructions
  STRUCTURE:BODY

  Mfr Comm. #:

  PIT6213A

  Date Added:

  September 13, 2024

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates that the Tailgate Assist Handle is not included with the Hummer EV and the RST/Denali EV trucks and how to get one if needed.

  Associated Products (4)

  2025 GMC Hummer EV Pickup2024 Chevrolet Silverado2024 GMC Hummer EV Pickup2024 GMC Sierra
  Associated Documents

  • DownloadMC-11007763-0001.pdf↗
• September 12, 2024•Document ID: 11009032

  Service Bulletin/Repair Instructions
  STRUCTURE:BODY; ENGINE

  Mfr Comm. #:

  24-NA-186

  Date Added:

  October 22, 2024

  Manufacturer:

  GMC

  Summary

  This bulletin advises the tech that if the wrong mounts are installed, this may be the cause of the engine vibration.

  Associated Products (8)

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

  • DownloadMC-11009032-0001.pdf↗
• September 12, 2024•Document ID: 11007740

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6202A

  Date Added:

  September 12, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates how to properly relearn the e-Trunk if it has lost it's learn.

  Associated Products (2)

  2024 Chevrolet Silverado2024 GMC Sierra
  Associated Documents

  • DownloadMC-11007740-0001.pdf↗
• September 12, 2024•Document ID: 11007739

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIP5901A

  Date Added:

  September 12, 2024

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates that the tool for the HD transfer cases to measure clutch pack shim selection is in development.

  Associated Products (10)

  2024 Chevrolet Silverado2024 GMC Sierra2023 Chevrolet Silverado2023 GMC Sierra2022 Chevrolet Silverado2022 GMC Sierra2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-11007739-0001.pdf↗
• September 12, 2024•Document ID: 11007736

  Service Bulletin/Repair Instructions
  SUSPENSION

  Mfr Comm. #:

  PIT6177A

  Date Added:

  September 12, 2024

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates an issues of the left rear leaf spring making a squeaking noise due to diesel fuel contamination that may occur during refueling after the fuel nozzle is removed from the fuel filler pipe.  Dealers are to create a foam seal around the fuel filler pipe to prevent fuel from leaking onto the left spring.

  Associated Products (10)

  2024 Chevrolet Silverado2024 GMC Sierra2023 Chevrolet Silverado2023 GMC Sierra2022 Chevrolet Silverado2022 GMC Sierra2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-11007736-0001.pdf↗
• September 12, 2024•Document ID: 11007735

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT5871B

  Date Added:

  September 12, 2024

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates an issue with the IPC incorrectly listing Sport mode as a selection and dealers are to reprogram the IPC to correct this concern.

  Associated Products (2)

  2022 Chevrolet Silverado2022 GMC Sierra
  Associated Documents

  • DownloadMC-11007735-0001.pdf↗
• September 12, 2024•Document ID: 11007868

  Service Campaign
  ENGINE

  Mfr Comm. #:

  N242450631

  Date Added:

  September 18, 2024

  Manufacturer:

  CADILLAC

  Summary

  Service Update. Certain vehicles equipped with a 2.7L engine (RPO L3B), may have an Engine Control Module (ECM) that does not sufficiently control fuel injector flow rate under certain driving conditions. Dealers are to reprogram the ECM.

  Associated Products (12)

  2023 Cadillac CT42022 Cadillac CT42022 Chevrolet Silverado2022 GMC Sierra2021 Cadillac CT42021 Chevrolet Silverado2021 GMC Sierra2020 Cadillac CT42020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-11007868-0001.pdf↗
• September 12, 2024•Document ID: 11009033

  Service Bulletin/Repair Instructions
  WHEELS

  Mfr Comm. #:

  24-NA-187

  Date Added:

  October 22, 2024

  Manufacturer:

  BUICK

  Summary

  This informational bulletin provides information on Information on Bright PVD (Physical Vapor Deposition) Wheels Appearance and Care.

  Associated Products (12)

  2025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Chevrolet Silverado2025 Chevrolet Tahoe2025 GMC Sierra2025 GMC Yukon2025 GMC Yukon XL2024 Buick Enclave2024 Chevrolet Silverado2024 Chevrolet Traverse2024 GMC Acadia2024 GMC Sierra
  Associated Documents

  • DownloadMC-11009033-0001.pdf↗
• September 12, 2024•Document ID: 11007744

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT5099H

  Date Added:

  September 12, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.

  Associated Products (834)

  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+ 814 more
  Associated Documents

  • DownloadMC-11007744-0001.pdf↗
• September 12, 2024•Document ID: 11007743

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT5099H

  Date Added:

  September 12, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.

  Associated Products (834)

  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+ 814 more
  Associated Documents

  • DownloadMC-11007743-0001.pdf↗
• September 12, 2024•Document ID: 11007738

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  PIP5981A

  Date Added:

  September 12, 2024

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates ordering process for the front and rear drive units are on restriction for all listed EV vehicles for engineering review.

  Associated Products (10)

  2024 BrightDrop Zevo2024 Cadillac Lyriq2024 Chevrolet Blazer2024 Chevrolet Equinox2024 Chevrolet Silverado2024 GMC Hummer EV Pickup2024 GMC Sierra2023 BrightDrop Zevo2023 Cadillac Lyriq2023 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-11007738-0001.pdf↗
• September 11, 2024•Document ID: 11007717

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6220

  Date Added:

  September 11, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates that a dealer may find the underhood beauty covers missing. The dealer is advised that these are missing by design and should not be ordered for the vehicle.

  Associated Products (10)

  2024 Chevrolet Silverado2024 GMC Sierra2023 Chevrolet Silverado2023 GMC Sierra2022 Chevrolet Silverado2022 GMC Sierra2021 Chevrolet Silverado2021 GMC Sierra2020 GMC Sierra2019 Chevrolet Silverado
  Associated Documents

  • DownloadMC-11007717-0001.pdf↗
• September 11, 2024•Document ID: 11007709

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; SERVICE BRAKES

  Mfr Comm. #:

  PIT6212A

  Date Added:

  September 11, 2024

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates an issue with the Hydrastar Electric Over Hydraulic trailer brake system causing a voltage spike into the trucks electrical system which is causing DTC C1114 to set.

  Associated Products (2)

  2024 Chevrolet Silverado2024 GMC Sierra
  Associated Documents

  • DownloadMC-11007709-0001.pdf↗
• September 11, 2024•Document ID: 11007706

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6023B

  Date Added:

  September 11, 2024

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates that Silverado EV Specific parts are being placed on a TAC Restriction.

  Associated Products (2)

  2024 Chevrolet Silverado2024 GMC Sierra
  Associated Documents

  • DownloadMC-11007706-0001.pdf↗
• September 11, 2024•Document ID: 11007695

  Service Bulletin/Repair Instructions
  STRUCTURE:BODY

  Mfr Comm. #:

  PIT6213

  Date Added:

  September 11, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates that the Tailgate Assist Handle is not included with the RST/Denali EV trucks and how to get one if needed.

  Associated Products (2)

  2024 Chevrolet Silverado2024 GMC Sierra
  Associated Documents

  • DownloadMC-11007695-0001.pdf↗
• September 11, 2024•Document ID: 11008967

  Service Bulletin/Repair Instructions
  POWER TRAIN; ELECTRICAL SYSTEM

  Mfr Comm. #:

  23-NA-210

  Date Added:

  October 17, 2024

  Manufacturer:

  CADILLAC

  Summary

  This bulletin provides a procedure to perform a diagnostic check to verify if DTCs P18AE and/or P0700 Set returns when reset and to clear the codes and validate code does not set again.

  Associated Products (18)

  2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Chevrolet Silverado2025 GMC Sierra2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Escalade ESV2024 Chevrolet Silverado2024 GMC Sierra2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Chevrolet Silverado2023 GMC Sierra
  Associated Documents

  • DownloadMC-11008967-0001.pdf↗
• September 11, 2024•Document ID: 11008962

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  22-NA-182

  Date Added:

  October 17, 2024

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin advises the technician to check if the transmission cooler lines are twisted to correct customer concerns of Harsh Shift, Shudder, Surge, Stall, Transmission Overheating and/or High Transmission Fluid Temperature.

  Associated Products (40)

  2025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Chevrolet Silverado2025 Chevrolet Suburban2025 Chevrolet Tahoe2025 GMC Sierra2025 GMC Yukon2025 GMC Yukon XL2024 Cadillac Escalade2024 Cadillac Escalade ESV2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Sierra2024 GMC Yukon2024 GMC Yukon XL2023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Chevrolet Silverado2023 Chevrolet Suburban+ 20 more
  Associated Documents

  • DownloadMC-11008962-0001.pdf↗