Chevrolet Corvette Service Bulletins

1,074 manufacturer communications on file.

• November 20, 2025•Document ID: 11025753

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6406D

  Date Added:

  November 28, 2025

  Manufacturer:

  GMC

  Summary

  This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD

  Associated Products (11)

  2025 Chevrolet Corvette2024 Chevrolet Corvette2024 Chevrolet Tahoe2024 GMC Yukon2024 GMC Yukon XL2023 Chevrolet Tahoe2023 GMC Yukon2023 GMC Yukon XL2022 Chevrolet Tahoe2022 GMC Yukon2022 GMC Yukon XL
  Associated Documents

  • DownloadMC-11025753-0001.pdf↗
• November 18, 2025•Document ID: 11025750

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6602P

  Date Added:

  November 28, 2025

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.

  Associated Products (19)

  2026 GMC Hummer EV Pickup2026 GMC Hummer EV SUV2025 Chevrolet Corvette2025 GMC Hummer EV Pickup2025 GMC Hummer EV SUV2024 Chevrolet Corvette2024 Chevrolet Tahoe2024 GMC Hummer EV Pickup2024 GMC Hummer EV SUV2024 GMC Yukon2024 GMC Yukon XL2023 Chevrolet Tahoe2023 GMC Hummer EV Pickup2023 GMC Yukon2023 GMC Yukon XL2022 Chevrolet Tahoe2022 GMC Hummer EV Pickup2022 GMC Yukon2022 GMC Yukon XL
  Associated Documents

  • DownloadMC-11025750-0001.pdf↗
• November 13, 2025•Document ID: 11025574

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6629A

  Date Added:

  November 17, 2025

  Manufacturer:

  GMC

  Summary

  This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display

  Associated Products (76)

  2026 Buick Enclave2026 Buick Encore GX2026 Buick Envision2026 Buick Envista2026 Cadillac Celestiq2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Lyriq2026 Cadillac Optiq2026 Cadillac Vistiq2026 Chevrolet Colorado2026 Chevrolet Equinox2026 Chevrolet Tahoe2026 Chevrolet Trailblazer2026 Chevrolet Traverse2026 Chevrolet Trax2026 GMC Acadia2026 GMC Canyon2026 GMC Hummer EV Pickup+ 56 more
  Associated Documents

  • DownloadMC-11025574-0001.pdf↗
• November 11, 2025•Document ID: 11025575

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6602N

  Date Added:

  November 17, 2025

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.

  Associated Products (17)

  2025 Chevrolet Corvette2025 GMC Hummer EV Pickup2025 GMC Hummer EV SUV2024 Chevrolet Corvette2024 Chevrolet Tahoe2024 GMC Hummer EV Pickup2024 GMC Hummer EV SUV2024 GMC Yukon2024 GMC Yukon XL2023 Chevrolet Tahoe2023 GMC Hummer EV Pickup2023 GMC Yukon2023 GMC Yukon XL2022 Chevrolet Tahoe2022 GMC Hummer EV Pickup2022 GMC Yukon2022 GMC Yukon XL
  Associated Documents

  • DownloadMC-11025575-0001.pdf↗
• November 11, 2025•Document ID: 11025572

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6629

  Date Added:

  November 17, 2025

  Manufacturer:

  BUICK

  Summary

  This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display

  Associated Products (77)

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  Associated Documents

  • DownloadMC-11025572-0001.pdf↗
• November 7, 2025•Document ID: 11025975

  Service Bulletin/Repair Instructions
  SERVICE BRAKES

  Mfr Comm. #:

  24-NA-221

  Date Added:

  December 2, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides service procedure information on Brake Squeal or Squeak Noise Intermittently on Initial Brake Applies.

  Associated Products (1)

  2025 Chevrolet Corvette
  Associated Documents

  • DownloadMC-11025975-0001.pdf↗
• October 31, 2025•Document ID: 11024787

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6406C

  Date Added:

  November 3, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD

  Associated Products (14)

  2025 Chevrolet Corvette2024 Chevrolet Corvette2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Yukon2024 GMC Yukon XL2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Yukon2023 GMC Yukon XL2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Yukon2022 GMC Yukon XL
  Associated Documents

  • DownloadMC-11024787-0001.pdf↗
• October 23, 2025•Document ID: 11024705

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6602M

  Date Added:

  November 2, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.

  Associated Products (17)

  2025 Chevrolet Corvette2025 GMC Hummer EV Pickup2025 GMC Hummer EV SUV2024 Chevrolet Corvette2024 Chevrolet Tahoe2024 GMC Hummer EV Pickup2024 GMC Hummer EV SUV2024 GMC Yukon2024 GMC Yukon XL2023 Chevrolet Tahoe2023 GMC Hummer EV Pickup2023 GMC Yukon2023 GMC Yukon XL2022 Chevrolet Tahoe2022 GMC Hummer EV Pickup2022 GMC Yukon2022 GMC Yukon XL
  Associated Documents

  • DownloadMC-11024705-0001.pdf↗
• October 23, 2025•Document ID: 11024702

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6605A

  Date Added:

  November 2, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates that many parts for this vehicle are on a part restriction. Dealers are directed to check EPC for restriction notes and to contact TAC if restricted parts need to be ordered.

  Associated Products (1)

  2025 Chevrolet Corvette
  Associated Documents

  • DownloadMC-11024702-0001.pdf↗
• October 18, 2025•Document ID: 11024463

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6602L

  Date Added:

  October 24, 2025

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.

  Associated Products (17)

  2025 Chevrolet Corvette2025 GMC Hummer EV Pickup2025 GMC Hummer EV SUV2024 Chevrolet Corvette2024 Chevrolet Tahoe2024 GMC Hummer EV Pickup2024 GMC Hummer EV SUV2024 GMC Yukon2024 GMC Yukon XL2023 Chevrolet Tahoe2023 GMC Hummer EV Pickup2023 GMC Yukon2023 GMC Yukon XL2022 Chevrolet Tahoe2022 GMC Hummer EV Pickup2022 GMC Yukon2022 GMC Yukon XL
  Associated Documents

  • DownloadMC-11024463-0001.pdf↗
• October 18, 2025•Document ID: 11024460

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6425B

  Date Added:

  October 24, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's

  Associated Products (210)

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  Associated Documents

  • DownloadMC-11024460-0001.pdf↗
• October 17, 2025•Document ID: 11024455

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6425A

  Date Added:

  October 24, 2025

  Manufacturer:

  BUICK

  Summary

  This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's

  Associated Products (210)

  2026 Buick Enclave2026 Buick Encore2026 Buick Encore GX2026 Buick Envision2026 Buick Envista2026 Cadillac Celestiq2026 Cadillac CT42026 Cadillac CT52026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2026 Cadillac Lyriq2026 Cadillac Optiq2026 Cadillac Vistiq2026 Cadillac XT42026 Cadillac XT52026 Cadillac XT62026 Chevrolet Blazer2026 Chevrolet Colorado+ 190 more
  Associated Documents

  • DownloadMC-11024455-0001.pdf↗
• October 16, 2025•Document ID: 11024458

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6551A

  Date Added:

  October 24, 2025

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues

  Associated Products (176)

  2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac Celestiq2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox+ 156 more
  Associated Documents

  • DownloadMC-11024458-0001.pdf↗
• October 9, 2025•Document ID: 11024466

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6602K

  Date Added:

  October 24, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.

  Associated Products (19)

  2025 Chevrolet Corvette2025 GMC Hummer EV Pickup2024 Chevrolet Corvette2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Hummer EV Pickup2024 GMC Hummer EV SUV2024 GMC Yukon2024 GMC Yukon XL2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Hummer EV Pickup2023 GMC Yukon2023 GMC Yukon XL2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Hummer EV Pickup2022 GMC Yukon2022 GMC Yukon XL
  Associated Documents

  • DownloadMC-11024466-0001.pdf↗
• October 9, 2025•Document ID: 11024450

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6622

  Date Added:

  October 24, 2025

  Manufacturer:

  CHEVROLET

  Summary

  The purpose of this Preliminary Information is to provide diagnostic aids to a dealership technician if a folding top is found to be inoperative.

  Associated Products (2)

  2025 Chevrolet Corvette2024 Chevrolet Corvette
  Associated Documents

  • DownloadMC-11024450-0001.pdf↗
• October 8, 2025•Document ID: 11024447

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIP6089

  Date Added:

  October 24, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This preliminary information advises dealers that engine part numbers 12731949, 12739909 and 12716295 have been placed on restriction. Dealers are instructed to order these engines through the Technical Assistance Center.

  Associated Products (3)

  2025 Chevrolet Corvette2024 Chevrolet Corvette2023 Chevrolet Corvette
  Associated Documents

  • DownloadMC-11024447-0001.pdf↗
• October 7, 2025•Document ID: 11024440

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIP6084A

  Date Added:

  October 24, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This PI communicates that previously not serviced parts in the transmission are now allowed to be serviced.

  Associated Products (5)

  2025 Chevrolet Corvette2024 Chevrolet Corvette2023 Chevrolet Corvette2022 Chevrolet Corvette2021 Chevrolet Corvette
  Associated Documents

  • DownloadMC-11024440-0001.pdf↗
• October 4, 2025•Document ID: 11024439

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6440

  Date Added:

  October 24, 2025

  Manufacturer:

  GMC

  Summary

  The Driver Information Center may display a message of Transport Mode On after the ignition is cycled.

  Associated Products (210)

  2026 Buick Enclave2026 Buick Encore2026 Buick Encore GX2026 Buick Envision2026 Buick Envista2026 Cadillac Celestiq2026 Cadillac CT42026 Cadillac CT52026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2026 Cadillac Lyriq2026 Cadillac Optiq2026 Cadillac Vistiq2026 Cadillac XT42026 Cadillac XT52026 Cadillac XT62026 Chevrolet Blazer2026 Chevrolet Colorado+ 190 more
  Associated Documents

  • DownloadMC-11024439-0001.pdf↗
• September 9, 2025•Document ID: 11023091

  Other
  UNKNOWN OR OTHER

  Mfr Comm. #:

  13598

  Date Added:

  September 10, 2025

  Manufacturer:

  CHEVROLET

  Summary

  New Vehicle Monitoring Programs Section in IVH

  Associated Products (208)

  2026 Buick Enclave2026 Buick Encore GX2026 Buick Envision2026 Buick Envista2026 Cadillac Celestiq2026 Cadillac CT42026 Cadillac CT52026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2026 Cadillac Lyriq2026 Cadillac Optiq2026 Cadillac Vistiq2026 Cadillac XT42026 Cadillac XT52026 Cadillac XT62026 Chevrolet Blazer2026 Chevrolet Colorado2026 Chevrolet Equinox+ 188 more
  Associated Documents

  • DownloadMC-11023091-0001.pdf↗
• September 6, 2025•Document ID: 11024330

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  22-NA-080

  Date Added:

  October 16, 2025

  Manufacturer:

  CADILLAC

  Summary

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

  Associated Products (52)

  2025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Chevrolet Corvette2025 Chevrolet Express2025 Chevrolet Tahoe2025 GMC Savana2025 GMC Yukon2025 GMC Yukon XL2024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Escalade ESV2024 Chevrolet Camaro2024 Chevrolet Corvette2024 Chevrolet Express2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Savana2024 GMC Yukon2024 GMC Yukon XL+ 32 more
  Associated Documents

  • DownloadMC-11024330-0001.pdf↗