Chevrolet Silverado Service Bulletins

10,441 manufacturer communications on file.

• November 27, 2024•Document ID: 11011993

  Service Bulletin/Repair Instructions
  WHEELS; AIR BAGS; POWER TRAIN

  Mfr Comm. #:

  21-NA-275

  Date Added:

  December 19, 2024

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides repair information to correct customer concerns of 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 (19)

  2021 Cadillac CT42021 Cadillac CT52021 Cadillac CT62021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Chevrolet Camaro2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Yukon2021 GMC Yukon XL2020 Cadillac CT42020 Cadillac CT52020 Cadillac CT62020 Chevrolet Camaro2020 Chevrolet Silverado2020 GMC Sierra2019 Cadillac CT6
  Associated Documents

  • DownloadMC-11011993-0001.pdf↗
• November 27, 2024•Document ID: 11011989

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  08-07-30-035I

  Date Added:

  December 19, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information on the harmful effects of ethylene glycol in transmission fluid.

  Associated Products (512)

  2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu2025 Chevrolet Silverado2025 Chevrolet Suburban+ 492 more
  Associated Documents

  • DownloadMC-11011989-0001.pdf↗
• November 27, 2024•Document ID: 11010810

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  N242454441

  Date Added:

  November 27, 2024

  Manufacturer:

  CHEVROLET

  Summary

  Certain vehicles listed above, may have a condition where the transmission control valve has worn, resulting in a gradual loss of pressure within the valve. The effects can cause harsh shifting, setting a service engine soon message, reduced engine performance or P0747 diagnostic trouble code. This special coverage covers the condition described above for a period of 15 years or 150,000 miles (240,000km), whichever occurs first, from the date the vehicle was originally placed in service, regardless of ownership. For vehicles covered by Vehicle Service Contracts, all eligible claims with repair orders on or after November 26, 2024, are covered by this special coverage and must be submitted using the labor operation codes provided with this bulletin. Claims with repair orders prior to November 26, 2024, must be submitted to the Service Contract provider. Vehicle owners or lessees who paid for repairs referenced in this Special Coverage (“Customers”) are eligible for reimbursement of their reasonable and customary expenses in accordance with the procedures specified below. The conditional right to reimbursement is provided by GM solely in the interest of customer satisfaction and is personal to Customers. Customers may not assign and GM does not consent to any assignment of any Customer’s right to submit reimbursement claims, or to receive reimbursement, or any other rights granted by this Special Coverage to any third party, including but not limited to service contract providers, and this Special Coverage is not intended to and does not confer any third party beneficiary, subrogation or contribution rights, or any other rights to reimbursement, against GM, whether in law, equity or otherwise, on any third parties. Dealers are to install a new control valve body. The repairs will be made at no charge to the customer.

  Associated Products (12)

  2022 Chevrolet Silverado2022 GMC Sierra2021 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-11010810-0001.pdf↗
• November 26, 2024•Document ID: 11012007

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  24-NA-262

  Date Added:

  December 20, 2024

  Manufacturer:

  GMC

  Summary

  This bulletin helps aid the tech in possible transmission noise that may be normal or abnormal depending on the concern noted.

  Associated Products (12)

  2025 Chevrolet Silverado2025 GMC Sierra2024 Chevrolet Silverado2024 GMC Sierra2023 Chevrolet Silverado2023 GMC Sierra2022 Chevrolet Silverado2022 GMC Sierra2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-11012007-0001.pdf↗
• November 26, 2024•Document ID: 11011360

  Service Bulletin/Repair Instructions
  STRUCTURE:BODY; UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6286

  Date Added:

  December 5, 2024

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates a normal charteristic with the outside passengers mirror and not to replace the mirror for a normal concern.

  Associated Products (3)

  2025 Cadillac Escalade IQ2024 Chevrolet Silverado2024 GMC Sierra
  Associated Documents

  • DownloadMC-11011360-0001.pdf↗
• November 26, 2024•Document ID: 11011364

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6292

  Date Added:

  December 5, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to dealership technicians that if they encounter a customer vehicle with these concerns that engineering is aware and once a fix is available, this PI will be updated to reflect that.

  Associated Products (5)

  2024 Chevrolet Colorado2024 Chevrolet Silverado2024 GMC Canyon2023 Chevrolet Colorado2023 GMC Canyon
  Associated Documents

  • DownloadMC-11011364-0001.pdf↗
• November 25, 2024•Document ID: 11011991

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  17-NA-374

  Date Added:

  December 19, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin advises the technician of how the Soot information has changed from grams to percentage.

  Associated Products (18)

  2025 Chevrolet Silverado2025 GMC Sierra2024 Chevrolet Silverado2024 GMC Sierra2023 Chevrolet Silverado2023 GMC Sierra2022 Chevrolet Silverado2022 GMC Sierra2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra2018 Chevrolet Silverado2018 GMC Sierra2017 Chevrolet Silverado2017 GMC Sierra
  Associated Documents

  • DownloadMC-11011991-0001.pdf↗
• November 25, 2024•Document ID: 11011356

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6285A

  Date Added:

  December 4, 2024

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates information informing dealers that replacment PSCM P/N 86554464 stock has been reworked to prevent the SPS programming failure.

  Associated Products (2)

  2024 Chevrolet Silverado2024 GMC Sierra
  Associated Documents

  • DownloadMC-11011356-0001.pdf↗
• November 25, 2024•Document ID: 11011354

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6277

  Date Added:

  December 4, 2024

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates a diagnostic tip for a possible concern of the 110V outlets being inoperative

  Associated Products (4)

  2025 Chevrolet Silverado2025 GMC Sierra2024 Chevrolet Silverado2024 GMC Sierra
  Associated Documents

  • DownloadMC-11011354-0001.pdf↗
• November 25, 2024•Document ID: 11011996

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; UNKNOWN OR OTHER

  Mfr Comm. #:

  22-NA-238

  Date Added:

  December 19, 2024

  Manufacturer:

  GMC

  Summary

  This service bulletin provides diagnostic/repair information to correct a customer concern of Cellphone not Charging or USB Receptacle Inoperative.

  Associated Products (232)

  2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu2025 Chevrolet Silverado+ 212 more
  Associated Documents

  • DownloadMC-11011996-0001.pdf↗
• November 25, 2024•Document ID: 11011359

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIP5981B

  Date Added:

  December 5, 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 (14)

  2025 Cadillac Lyriq2025 Chevrolet Blazer2025 Chevrolet Equinox2025 Chevrolet Silverado2025 GMC Hummer EV Pickup2025 GMC Sierra2024 Cadillac Lyriq2024 Chevrolet Blazer2024 Chevrolet Equinox2024 Chevrolet Silverado2024 GMC Hummer EV Pickup2024 GMC Sierra2023 Cadillac Lyriq2023 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-11011359-0001.pdf↗
• November 25, 2024•Document ID: 11010784

  Service Campaign
  STEERING

  Mfr Comm. #:

  N242478260

  Date Added:

  November 25, 2024

  Manufacturer:

  CHEVROLET

  Summary

  Service Update. Certain vehicles may have a condition in which the steering gear motor bolts may be loose on steering gear assemblies. Dealers will inspect, and if necessary, replace the electric belt drive rack and pinion steering gear, and reprogram the power steering control module.

  Associated Products (5)

  2024 Cadillac Escalade ESV2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Sierra
  Associated Documents

  • DownloadMC-11010784-0001.pdf↗
• November 23, 2024•Document ID: 11011965

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; UNKNOWN OR OTHER

  Mfr Comm. #:

  24-NA-261

  Date Added:

  December 19, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y175 – Multiple Updates for IOK.

  Associated Products (14)

  2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Sierra2024 GMC Yukon2024 GMC Yukon XL2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Sierra2023 GMC Yukon2023 GMC Yukon XL2022 Chevrolet Silverado2022 GMC Sierra
  Associated Documents

  • DownloadMC-11011965-0001.pdf↗
• November 22, 2024•Document ID: 11011342

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6023C

  Date Added:

  December 4, 2024

  Manufacturer:

  CHEVROLET

  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-11011342-0001.pdf↗
• November 22, 2024•Document ID: 11011946

  Service Bulletin/Repair Instructions
  VISIBILITY/WIPER

  Mfr Comm. #:

  23-NA-167

  Date Added:

  December 18, 2024

  Manufacturer:

  CADILLAC

  Summary

  This informational bulletin provides information on Outside Rear View Mirror Defog or Defrost Times Different for Passenger and Driver Mirrors.

  Associated Products (35)

  2025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Chevrolet Silverado2025 Chevrolet Suburban2025 Chevrolet Tahoe2025 GMC Yukon2025 GMC Yukon XL2024 Cadillac Escalade2024 Cadillac Escalade ESV2024 Chevrolet Silverado2024 GMC Sierra2024 GMC Yukon2024 GMC Yukon XL2023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Chevrolet Silverado2023 GMC Sierra2023 GMC Yukon2023 GMC Yukon XL2022 Cadillac Escalade+ 15 more
  Associated Documents

  • DownloadMC-11011946-0001.pdf↗
• November 22, 2024•Document ID: 11011911

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  22-NA-168

  Date Added:

  December 18, 2024

  Manufacturer:

  GMC

  Summary

  This bulletin provides diagnostic information when checking the exhaust system for leaks.

  Associated Products (30)

  2024 Cadillac Escalade2024 Cadillac Escalade ESV2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Yukon2024 GMC Yukon XL2023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Yukon2023 GMC Yukon XL2022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Sierra2022 GMC Yukon2022 GMC Yukon XL+ 10 more
  Associated Documents

  • DownloadMC-11011911-0001.pdf↗
• November 22, 2024•Document ID: 11011900

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  19-NA-219

  Date Added:

  December 17, 2024

  Manufacturer:

  GMC

  Summary

  This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft issue.

  Associated Products (479)

  2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu2025 Chevrolet Silverado2025 Chevrolet Suburban2025 Chevrolet Tahoe+ 459 more
  Associated Documents

  • DownloadMC-11011900-0001.pdf↗
• November 22, 2024•Document ID: 11011347

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT5868C

  Date Added:

  December 4, 2024

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates an issues will low or poor heater performance on the drivers side.  Dealers are to inspect the HVAC temperature door linkage and if ok replace the heater core.

  Associated Products (20)

  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 Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-11011347-0001.pdf↗
• November 21, 2024•Document ID: 11011896

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM

  Mfr Comm. #:

  18-NA-180

  Date Added:

  December 17, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.

  Associated Products (72)

  2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Chevrolet Blazer2025 Chevrolet BrightDrop2025 Chevrolet Equinox2025 Chevrolet Silverado2025 GMC Hummer EV Pickup2025 GMC Sierra2024 BrightDrop Zevo2024 Cadillac Lyriq2024 Chevrolet Blazer2024 Chevrolet Corvette2024 Chevrolet Equinox2024 Chevrolet Silverado2024 GMC Hummer EV Pickup2024 GMC Sierra2023 BrightDrop Zevo2023 Cadillac Lyriq2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV+ 52 more
  Associated Documents

  • DownloadMC-11011896-0001.pdf↗
• November 21, 2024•Document ID: 11011337

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6279B

  Date Added:

  December 4, 2024

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates an issue where the odometer mileage is incorrect after performing a module setup procedure and a FSE will be dispatched to the vehicle to correct the odometer error.

  Associated Products (43)

  2025 Chevrolet Silverado2025 GMC Sierra2024 Cadillac CT42024 Cadillac CT52024 Chevrolet Corvette2024 Chevrolet Silverado2024 GMC Sierra2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Chevrolet Corvette2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Sierra2023 GMC Yukon2023 GMC Yukon XL2022 Buick Envision+ 23 more
  Associated Documents

  • DownloadMC-11011337-0001.pdf↗