Chevrolet Corvette Service Bulletins (2024)

526 manufacturer communications on file.

• October 17, 2026•Document ID: 11038596

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6602Y

  Date Added:

  October 20, 2026

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (29)

  2026 Chevrolet Silverado2026 GMC Sierra2025 Chevrolet Corvette2025 Chevrolet Silverado2025 GMC Hummer EV Pickup2025 GMC Hummer EV SUV2025 GMC Sierra2024 Chevrolet Corvette2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Hummer EV Pickup2024 GMC Hummer EV SUV2024 GMC Sierra2024 GMC Yukon2024 GMC Yukon XL2023 BrightDrop Zevo2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe+ 9 more
  Associated Documents

  • DownloadMC-11038596-0001.pdf↗
• October 8, 2026•Document ID: 11038821

  Over The Air
  UNKNOWN OR OTHER

  Mfr Comm. #:

  Gateway 2026.3

  Date Added:

  October 31, 2026

  Manufacturer:

  GMC

  Summary

  This update contains a required software change to help improve the overall software update and diagnostics process. Be sure to install this update to be able to receive future software updates. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior.

  Associated Products (42)

  2027 Cadillac Escalade2027 Cadillac Escalade ESV2027 Cadillac Optiq2027 Chevrolet Equinox2027 Chevrolet Tahoe2026 Buick Envision2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Optiq2026 Chevrolet BrightDrop2026 Chevrolet Corvette2026 Chevrolet Silverado2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 GMC Sierra2026 GMC Yukon2026 GMC Yukon XL2025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Lyriq+ 22 more
  Associated Documents

  • DownloadMC-11038821-0001.pdf↗
• September 28, 2026•Document ID: 11038136

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6457C

  Date Added:

  October 5, 2026

  Manufacturer:

  CHEVROLET

  Summary

  This preliminary information is for technicians that may see DTCs that are history and should not perform any part replacements. They should follow the notes mentioned prior to anything being replaced.

  Associated Products (173)

  2027 Buick Enclave2027 Buick Encore GX2027 Cadillac Escalade IQ2027 Cadillac Escalade IQL2027 Cadillac Lyriq2027 Cadillac Optiq2027 Cadillac Vistiq2027 Chevrolet Blazer2027 Chevrolet Bolt EV2027 Chevrolet Corvette2027 Chevrolet Equinox2027 Chevrolet Suburban2027 Chevrolet Tahoe2027 Chevrolet Trailblazer2027 Chevrolet Traverse2027 GMC Acadia2027 GMC Sierra2027 GMC Terrain2027 GMC Yukon2027 GMC Yukon XL+ 153 more
  Associated Documents

  • DownloadMC-11038136-0001.pdf↗
• September 28, 2026•Document ID: 11038132

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6540K

  Date Added:

  October 5, 2026

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to dealers a procedure to reset the radio.

  Associated Products (173)

  2027 Buick Enclave2027 Buick Encore GX2027 Cadillac Escalade IQ2027 Cadillac Escalade IQL2027 Cadillac Lyriq2027 Cadillac Optiq2027 Cadillac Vistiq2027 Chevrolet Blazer2027 Chevrolet Bolt EV2027 Chevrolet Corvette2027 Chevrolet Equinox2027 Chevrolet Suburban2027 Chevrolet Tahoe2027 Chevrolet Trailblazer2027 Chevrolet Traverse2027 GMC Acadia2027 GMC Sierra2027 GMC Terrain2027 GMC Yukon2027 GMC Yukon XL+ 153 more
  Associated Documents

  • DownloadMC-11038132-0001.pdf↗
• September 26, 2026•Document ID: 11037555

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT5698F

  Date Added:

  September 30, 2026

  Manufacturer:

  CADILLAC

  Summary

  This PI provides Diagnostics tips on how the LIN bus works and how to diagnosis it.

  Associated Products (619)

  2027 Buick Enclave2027 Buick Encore GX2027 Cadillac Escalade IQ2027 Cadillac Escalade IQL2027 Cadillac Lyriq2027 Cadillac Optiq2027 Cadillac Vistiq2027 Chevrolet Blazer2027 Chevrolet Bolt EV2027 Chevrolet Corvette2027 Chevrolet Equinox2027 Chevrolet Suburban2027 Chevrolet Tahoe2027 Chevrolet Trailblazer2027 Chevrolet Traverse2027 GMC Acadia2027 GMC Sierra2027 GMC Terrain2027 GMC Yukon2027 GMC Yukon XL+ 599 more
  Associated Documents

  • DownloadMC-11037555-0001.pdf↗
• September 15, 2026•Document ID: 11037445

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6545A

  Date Added:

  September 22, 2026

  Manufacturer:

  GMC

  Summary

  This PI is created to inform GM dealers that some vehicles may intermittently fail to connect wireless Apple CarPlay or Android Auto after Bluetooth pairing during the first key cycle. The condition is caused by a software anomaly.

  Associated Products (28)

  2026 Chevrolet Silverado2026 GMC Sierra2025 Chevrolet Corvette2025 Chevrolet Silverado2025 GMC Hummer EV Pickup2025 GMC Sierra2024 Chevrolet Corvette2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Hummer EV Pickup2024 GMC Sierra2024 GMC Yukon2024 GMC Yukon XL2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Hummer EV Pickup2023 GMC Sierra2023 GMC Yukon+ 8 more
  Associated Documents

  • DownloadMC-11037445-0001.pdf↗
• September 10, 2026•Document ID: 11037320

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6629F

  Date Added:

  September 16, 2026

  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 (95)

  2027 Chevrolet Bolt EV2026 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 Corvette2026 Chevrolet Equinox2026 Chevrolet Silverado2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 Chevrolet Trailblazer2026 Chevrolet Traverse+ 75 more
  Associated Documents

  • DownloadMC-11037320-0001.pdf↗
• September 4, 2026•Document ID: 11037253

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIP4902W

  Date Added:

  September 10, 2026

  Manufacturer:

  CHEVROLET

  Summary

  This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.

  Associated Products (751)

  2027 Buick Enclave2027 Buick Encore GX2027 Cadillac Escalade IQ2027 Cadillac Escalade IQL2027 Cadillac Lyriq2027 Cadillac Optiq2027 Cadillac Vistiq2027 Chevrolet Blazer2027 Chevrolet Bolt EV2027 Chevrolet Corvette2027 Chevrolet Equinox2027 Chevrolet Trailblazer2027 Chevrolet Traverse2027 GMC Acadia2027 GMC Terrain2026 Buick Enclave2026 Buick Encore2026 Buick Encore GX2026 Buick Envision2026 Buick Envista+ 731 more
  Associated Documents

  • DownloadMC-11037253-0001.pdf↗
• September 3, 2026•Document ID: 11037258

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6545

  Date Added:

  September 10, 2026

  Manufacturer:

  GMC

  Summary

  This PI is created to inform GM dealers that some vehicles may intermittently fail to connect wireless Apple CarPlay or Android Auto after Bluetooth pairing during the first key cycle. The condition is caused by a software anomaly. Do not replace parts. Engineering is investigating the root cause; customers may continue to drive the vehicle. This PI will be updated or replaced by a TSB once a resolution is determined.

  Associated Products (30)

  2026 Chevrolet Silverado2026 GMC Sierra2025 Chevrolet Corvette2025 Chevrolet Silverado2025 GMC Hummer EV Pickup2025 GMC Hummer EV SUV2025 GMC Sierra2024 Chevrolet Corvette2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Hummer EV Pickup2024 GMC Hummer EV SUV2024 GMC Sierra2024 GMC Yukon2024 GMC Yukon XL2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Hummer EV Pickup+ 10 more
  Associated Documents

  • DownloadMC-11037258-0001.pdf↗
• September 1, 2026•Document ID: 11036538

  Service Campaign
  UNKNOWN OR OTHER

  Mfr Comm. #:

  N252541251-02

  Date Added:

  September 1, 2026

  Manufacturer:

  CHEVROLET

  Summary

  Certain vehicles listed above may have a condition in which drivers may not be notified of a rear turn-signal lamp failure. GM will update software calibrations in the vehicle’s exterior lighting control module. For vehicles that are capable of receiving software changes using wireless over-the-air (OTA) technology, owners who have accepted applicable terms and conditions will have the opportunity to accept these software changes via OTA without having to bring their vehicle to a dealership. Alternatively, all owners may have the updates performed at a GM dealer.

  Associated Products (5)

  2024 Chevrolet Corvette2023 Chevrolet Corvette2022 Chevrolet Corvette2021 Chevrolet Corvette2020 Chevrolet Corvette
  Associated Documents

  • DownloadMC-11036538-0001.pdf↗
• August 27, 2026•Document ID: 11036690

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6541

  Date Added:

  September 2, 2026

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates to the technicians a diagnostic tip if a technician loses communication with the image processor #2 and how to restore communication

  Associated Products (130)

  2027 Buick Enclave2027 Buick Encore GX2027 Cadillac Escalade IQ2027 Cadillac Escalade IQL2027 Cadillac Lyriq2027 Cadillac Optiq2027 Cadillac Vistiq2027 Chevrolet Blazer2027 Chevrolet Bolt EV2027 Chevrolet Corvette2027 Chevrolet Equinox2027 Chevrolet Trailblazer2027 Chevrolet Traverse2027 GMC Acadia2027 GMC Terrain2026 Buick Enclave2026 Buick Encore2026 Buick Encore GX2026 Buick Envision2026 Buick Envista+ 110 more
  Associated Documents

  • DownloadMC-11036690-0001.pdf↗
• August 24, 2026•Document ID: 11036719

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6517E

  Date Added:

  September 2, 2026

  Manufacturer:

  CHEVROLET

  Summary

  This PI advise dealers If U3000 is present, follow the correct service doc by Symptom Byte before contacting PQC; if not present, verify the camera is clean, then contact PQC if no issue is found.

  Associated Products (8)

  2026 Chevrolet Colorado2026 GMC Canyon2025 Chevrolet Colorado2025 Chevrolet Corvette2025 GMC Canyon2024 Chevrolet Colorado2024 Chevrolet Corvette2024 GMC Canyon
  Associated Documents

  • DownloadMC-11036719-0001.pdf↗
• August 20, 2026•Document ID: 11036392

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6551C

  Date Added:

  August 27, 2026

  Manufacturer:

  CADILLAC

  Summary

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

  Associated Products (233)

  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 BrightDrop+ 213 more
  Associated Documents

  • DownloadMC-11036392-0001.pdf↗
• August 19, 2026•Document ID: 11036398

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6662

  Date Added:

  August 27, 2026

  Manufacturer:

  CHEVROLET

  Summary

  The purpose of this preliminary information is to provide dealership technicians tips to diagnose a no start concern with a P06E9 DTC set.

  Associated Products (5)

  2027 Chevrolet Corvette2026 Chevrolet Corvette2025 Chevrolet Corvette2024 Chevrolet Corvette2023 Chevrolet Corvette
  Associated Documents

  • DownloadMC-11036398-0001.pdf↗
• August 5, 2026•Document ID: 11035785

  Service Campaign
  UNKNOWN OR OTHER

  Mfr Comm. #:

  N252541251-01

  Date Added:

  August 5, 2026

  Manufacturer:

  CHEVROLET

  Summary

  Certain vehicles listed above may have a condition in which drivers may not be notified of a rear turn-signal lamp failure. GM will update software calibrations in the vehicle’s exterior lighting control module. For vehicles that are capable of receiving software changes using wireless over-the-air (OTA) technology, owners who have accepted applicable terms and conditions will have the opportunity to accept these software changes via OTA without having to bring their vehicle to a dealership. Alternatively, all owners may have the updates performed at a GM dealer.

  Associated Products (3)

  2024 Chevrolet Corvette2021 Chevrolet Corvette2020 Chevrolet Corvette
  Associated Documents

  • DownloadMC-11035785-0001.pdf↗
• August 3, 2026•Document ID: 11036194

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6512A

  Date Added:

  August 14, 2026

  Manufacturer:

  BUICK

  Summary

  This PI states that if SDGM DTC P0604/P0607 is set and no other SDGM DTCs are present, clear DTCs and reset the SDGM. Advises of how to contact PQC to authorize SDGM replacement.

  Associated Products (71)

  2027 Chevrolet Bolt EV2026 Buick Enclave2026 Buick Envision2026 Cadillac Celestiq2026 Cadillac CT52026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2026 Cadillac Lyriq2026 Cadillac Optiq2026 Cadillac Vistiq2026 Chevrolet Blazer2026 Chevrolet Colorado2026 Chevrolet Corvette2026 Chevrolet Equinox2026 Chevrolet Silverado2026 Chevrolet Tahoe2026 Chevrolet Traverse2026 GMC Acadia+ 51 more
  Associated Documents

  • DownloadMC-11036194-0001.pdf↗
• July 30, 2026•Document ID: 11035710

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6517C

  Date Added:

  August 5, 2026

  Manufacturer:

  CADILLAC

  Summary

  This PI advise dealers If U3000 is present, follow the correct service doc by Symptom Byte before contacting PQC; if not present, verify the camera is clean, then contact PQC if no issue is found.

  Associated Products (34)

  2027 Cadillac Optiq2027 Cadillac Vistiq2027 Chevrolet Equinox2027 GMC Terrain2026 Buick Enclave2026 Cadillac Celestiq2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2026 Cadillac Optiq2026 Cadillac Vistiq2026 Chevrolet Blazer2026 Chevrolet BrightDrop2026 Chevrolet Colorado2026 Chevrolet Corvette2026 Chevrolet Equinox2026 Chevrolet Silverado2026 Chevrolet Tahoe2026 Chevrolet Traverse+ 14 more
  Associated Documents

  • DownloadMC-11035710-0001.pdf↗
• July 21, 2026•Document ID: 11035340

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT5099J

  Date Added:

  July 29, 2026

  Manufacturer:

  CHEVROLET

  Summary

  PI to help diagnose A/C concern

  Associated Products (505)

  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 BrightDrop+ 485 more
  Associated Documents

  • DownloadMC-11035340-0001.pdf↗
• July 17, 2026•Document ID: 11035134

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIP6089B

  Date Added:

  July 21, 2026

  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 (5)

  2027 Chevrolet Corvette2026 Chevrolet Corvette2025 Chevrolet Corvette2024 Chevrolet Corvette2023 Chevrolet Corvette
  Associated Documents

  • DownloadMC-11035134-0001.pdf↗
• July 16, 2026•Document ID: 11035432

  Over The Air
  UNKNOWN OR OTHER

  Mfr Comm. #:

  662.30

  Date Added:

  August 1, 2026

  Manufacturer:

  CHEVROLET

  Summary

  • Improvements to audio system performance. • Fixes to help ensure proper functionality for the center display

  Associated Products (1)

  2024 Chevrolet Corvette
  Associated Documents

  • DownloadMC-11035432-0001.pdf↗