Cadillac CT6 Service Bulletins

1,912 manufacturer communications on file.

• January 18, 2025•Document ID: 11013243

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  21-NA-240

  Date Added:

  January 30, 2025

  Manufacturer:

  GMC

  Summary

  This service bulletin provides diagnostic repair information to correct an oil leak in the engine.

  Associated Products (47)

  2025 Cadillac CT42025 Cadillac CT52025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 GMC Acadia2024 Cadillac CT42024 Cadillac CT52024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 GMC Acadia2023 Cadillac CT42023 Cadillac CT52023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer+ 27 more
  Associated Documents

  • DownloadMC-11013243-0001.pdf↗
• January 17, 2025•Document ID: 11013149

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER; ELECTRICAL SYSTEM

  Mfr Comm. #:

  17-NA-331

  Date Added:

  January 28, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information to the customer about the rear camera guidelines not being present at times due to the VBM taking over the rear camera option.

  Associated Products (46)

  2021 Chevrolet Bolt EV2020 Buick Regal2020 Chevrolet Bolt EV2019 Buick Regal2019 Cadillac CTS2019 Cadillac XTS2019 Chevrolet Bolt EV2018 Buick Enclave2018 Buick LaCrosse2018 Buick Regal2018 Cadillac ATS2018 Cadillac CT62018 Cadillac CTS2018 Cadillac Escalade2018 Cadillac Escalade ESV2018 Cadillac XT52018 Cadillac XTS2018 Chevrolet Bolt EV2018 Chevrolet Camaro2018 Chevrolet Colorado+ 26 more
  Associated Documents

  • DownloadMC-11013149-0001.pdf↗
• January 16, 2025•Document ID: 11013269

  Service Bulletin/Repair Instructions
  STEERING; ENGINE; ELECTRICAL SYSTEM; STRUCTURE:BODY; SEATS

  Mfr Comm. #:

  24-NA-239

  Date Added:

  January 30, 2025

  Manufacturer:

  GMC

  Summary

  This informational bulletin provides a guide on how to diagnose and test for vibrations utilizing the PicoScope.

  Associated Products (155)

  2025 Buick Enclave2025 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 Silverado2025 Chevrolet Suburban2025 Chevrolet Tahoe2025 Chevrolet Traverse2025 GMC Acadia2025 GMC Canyon2025 GMC Savana+ 135 more
  Associated Documents

  • DownloadMC-11013269-0001.pdf↗
• January 14, 2025•Document ID: 11013239

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

  Mfr Comm. #:

  18-NA-180

  Date Added:

  January 30, 2025

  Manufacturer:

  GMC

  Summary

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

  Associated Products (73)

  2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 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 EUV+ 53 more
  Associated Documents

  • DownloadMC-11013239-0001.pdf↗
• January 9, 2025•Document ID: 11013069

  Service Bulletin/Repair Instructions
  POWER TRAIN; ELECTRICAL SYSTEM; ENGINE

  Mfr Comm. #:

  09-06-04-026Z

  Date Added:

  January 23, 2025

  Manufacturer:

  GMC

  Summary

  This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.

  Associated Products (510)

  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+ 490 more
  Associated Documents

  • DownloadMC-11013069-0001.pdf↗
• January 7, 2025•Document ID: 11012929

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  20-NA-132

  Date Added:

  January 18, 2025

  Manufacturer:

  CADILLAC

  Summary

  This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.

  Associated Products (501)

  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 Optiq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet BrightDrop2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox+ 481 more
  Associated Documents

  • DownloadMC-11012929-0001.pdf↗
• January 4, 2025•Document ID: 11012930

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  07-00-89-037U

  Date Added:

  January 18, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.

  Associated Products (501)

  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 Optiq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet BrightDrop2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox+ 481 more
  Associated Documents

  • DownloadMC-11012930-0001.pdf↗
• December 14, 2024•Document ID: 11012690

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  18-NA-263

  Date Added:

  January 9, 2025

  Manufacturer:

  GMC

  Summary

  This warranty administration bulletin provide policy information for variable diagnostic time allowances on select labor operations (U.S. Only).

  Associated Products (543)

  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 Optiq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet BrightDrop2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox+ 523 more
  Associated Documents

  • DownloadMC-11012690-0001.pdf↗
• December 12, 2024•Document ID: 11012678

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

  Mfr Comm. #:

  18-NA-180

  Date Added:

  January 8, 2025

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (73)

  2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 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 EUV+ 53 more
  Associated Documents

  • DownloadMC-11012678-0001.pdf↗
• December 7, 2024•Document ID: 11011782

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT5074Q

  Date Added:

  December 12, 2024

  Manufacturer:

  BUICK

  Summary

  This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking tension or probing the .64 series terminals. The test probe terminal has been released in the terminal repair kit (J-38125-620H) located in Lear Tray 7 part number 963716-2. There are 5 terminated leads in a package part number is 13505346, which can be ordered through your normal General Motors Customer Care and Aftersales parts channel.

  Associated Products (675)

  2022 Buick Enclave2022 Buick Encore2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 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 Trailblazer2022 Chevrolet Traverse+ 655 more
  Associated Documents

  • DownloadMC-11011782-0001.pdf↗
• December 6, 2024•Document ID: 11012189

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  23-NA-064

  Date Added:

  January 3, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships.

  Associated Products (236)

  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 Optiq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet BrightDrop2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox+ 216 more
  Associated Documents

  • DownloadMC-11012189-0001.pdf↗
• December 6, 2024•Document ID: 11012183

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  21-NA-240

  Date Added:

  January 3, 2025

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides diagnostic repair information to correct an oil leak on top of the engine that may be coming from cam carrier- T-joint area.

  Associated Products (37)

  2024 Cadillac CT42024 Cadillac CT52024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2023 Cadillac CT42023 Cadillac CT52023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 GMC Acadia2022 Cadillac CT42022 Cadillac CT52022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 GMC Acadia+ 17 more
  Associated Documents

  • DownloadMC-11012183-0001.pdf↗
• December 6, 2024•Document ID: 11011805

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT5962B

  Date Added:

  December 12, 2024

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses.

  Associated Products (691)

  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 BrightDrop2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu+ 671 more
  Associated Documents

  • DownloadMC-11011805-0001.pdf↗
• December 4, 2024•Document ID: 11011119

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6261

  Date Added:

  December 4, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to dealers GM is working on a solution for outdated Apps

  Associated Products (292)

  2020 Buick Enclave2020 Buick Encore2020 Buick Encore GX2020 Buick Envision2020 Buick LaCrosse2020 Buick Regal2020 Buick Regal TourX2020 Cadillac CT42020 Cadillac CT52020 Cadillac CT62020 Cadillac Escalade2020 Cadillac Escalade ESV2020 Cadillac XT42020 Cadillac XT52020 Cadillac XT62020 Cadillac XTS2020 Chevrolet Blazer2020 Chevrolet Bolt EV2020 Chevrolet Camaro2020 Chevrolet Colorado+ 272 more
  Associated Documents

  • DownloadMC-11011119-0001.pdf↗
• 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 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 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 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 5, 2024•Document ID: 11011709

  Service Bulletin/Repair Instructions
  SERVICE BRAKES; STRUCTURE:BODY; WHEELS; UNKNOWN OR OTHER; ENGINE

  Mfr Comm. #:

  21-NA-043

  Date Added:

  December 10, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.

  Associated Products (615)

  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 BrightDrop2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu+ 595 more
  Associated Documents

  • DownloadMC-11011709-0001.pdf↗