Cadillac CT5 Service Bulletins

1,342 manufacturer communications on file.

• August 15, 2025•Document ID: 11022083

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6379C

  Date Added:

  August 22, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary Information is to inform the customer and service technicians on how to reset the radio/reboot and it will be corrected and to not replace any parts for this concern.

  Associated Products (3)

  2025 Cadillac CT52025 Chevrolet Colorado2025 GMC Canyon
  Associated Documents

  • DownloadMC-11022083-0001.pdf↗
• August 14, 2025•Document ID: 11022084

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIP4902T

  Date Added:

  August 22, 2025

  Manufacturer:

  GMC

  Summary

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

  Associated Products (681)

  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 BrightDrop2026 Chevrolet Colorado+ 661 more
  Associated Documents

  • DownloadMC-11022084-0001.pdf↗
• August 8, 2025•Document ID: 11022074

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6394B

  Date Added:

  August 22, 2025

  Manufacturer:

  CADILLAC

  Summary

  A vehicle may have a service driver assist message and the technician cannot get the Long Range Radar learn procedure to complete. Tech is directed to drive a city route to complete the procedure.

  Associated Products (35)

  2026 Cadillac Vistiq2025 Buick Enclave2025 Cadillac Celestiq2025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Cadillac XT42025 Chevrolet Blazer2025 Chevrolet BrightDrop2025 Chevrolet Equinox2025 Chevrolet Silverado2025 Chevrolet Suburban2025 Chevrolet Tahoe2025 Chevrolet Traverse2025 GMC Acadia2025 GMC Sierra2025 GMC Terrain+ 15 more
  Associated Documents

  • DownloadMC-11022074-0001.pdf↗
• August 8, 2025•Document ID: 11022068

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6059C

  Date Added:

  August 22, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates an issue with super cruise unavailable due to the driver's monitoring camera and dealers to replace the camera.

  Associated Products (190)

  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 BrightDrop2026 Chevrolet Colorado+ 170 more
  Associated Documents

  • DownloadMC-11022068-0001.pdf↗
• August 7, 2025•Document ID: 11021792

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC5650M

  Date Added:

  August 12, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, B3935, C0750, C0755, C0760, C0765, and/or C0775.

  Associated Products (896)

  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 BrightDrop2026 Chevrolet Colorado+ 876 more
  Associated Documents

  • DownloadMC-11021792-0001.pdf↗
• July 30, 2025•Document ID: 11021299

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6615

  Date Added:

  August 4, 2025

  Manufacturer:

  CADILLAC

  Summary

  This PI communicates that the mirror puddle lamps may be inop and the issue is under investigation.

  Associated Products (1)

  2025 Cadillac CT5
  Associated Documents

  • DownloadMC-11021299-0001.pdf↗
• July 26, 2025•Document ID: 11020963

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6393B

  Date Added:

  July 30, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it. It also informs them to follow the bulletins as necessary to USB update the modules.

  Associated Products (37)

  2026 Cadillac Escalade ESV2026 Cadillac Vistiq2026 Chevrolet BrightDrop2026 Chevrolet Equinox2026 GMC Terrain2025 Buick Enclave2025 Buick Envision2025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Lyriq2025 Cadillac Optiq2025 Cadillac XT42025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Equinox2025 Chevrolet Silverado2025 Chevrolet Suburban2025 Chevrolet Tahoe2025 Chevrolet Traverse+ 17 more
  Associated Documents

  • DownloadMC-11020963-0001.pdf↗
• July 23, 2025•Document ID: 11020863

  Service Campaign
  UNKNOWN OR OTHER

  Mfr Comm. #:

  N242435630-05

  Date Added:

  July 23, 2025

  Manufacturer:

  CADILLAC

  Summary

  Customer Satisfaction Program. Certain model years and vehicle makes noted in the table above may have a condition where the battery is at risk for a drain following an over-the-air update. Dealers are to reprogram the serial data gateway module.

  Associated Products (25)

  2025 Cadillac CT42024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Sierra2024 GMC Yukon2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Chevrolet Corvette2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Sierra2022 Buick Envision2022 Cadillac CT4+ 5 more
  Associated Documents

  • DownloadMC-11020863-0001.pdf↗
• July 23, 2025•Document ID: 11020815

  Service Campaign
  UNKNOWN OR OTHER

  Mfr Comm. #:

  N242480631-04

  Date Added:

  July 23, 2025

  Manufacturer:

  CADILLAC

  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 vehicles that return after TCM Update Product Safety N242480630 and have P0747 condition described above for a period of 15 years or 150,000 miles (240,000 km), 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 March 6, 2025, 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 March 6, 2025, 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 (9)

  2022 Chevrolet Camaro2021 Cadillac CT42021 Cadillac CT52021 Chevrolet Camaro2020 Cadillac CT42020 Cadillac CT52020 Cadillac CT62020 Chevrolet Camaro2019 Cadillac CT6
  Associated Documents

  • DownloadMC-11020815-0001.pdf↗
• July 18, 2025•Document ID: 11020816

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIP5601C

  Date Added:

  July 23, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.

  Associated Products (726)

  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 BrightDrop2025 Chevrolet Colorado2025 Chevrolet Corvette+ 706 more
  Associated Documents

  • DownloadMC-11020816-0001.pdf↗
• July 18, 2025•Document ID: 11020809

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIP5601B

  Date Added:

  July 23, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.

  Associated Products (275)

  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 BrightDrop2026 Chevrolet Colorado+ 255 more
  Associated Documents

  • DownloadMC-11020809-0001.pdf↗
• July 16, 2025•Document ID: 11020881

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6379B

  Date Added:

  July 24, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary Information is to inform the customer and service technicians on how to reset the radio/reboot and it will be corrected and to not replace any parts for this concern.

  Associated Products (3)

  2025 Cadillac CT52025 Chevrolet Colorado2025 GMC Canyon
  Associated Documents

  • DownloadMC-11020881-0001.pdf↗
• July 16, 2025•Document ID: 11020811

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT5074S

  Date Added:

  July 23, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.

  Associated Products (75)

  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 BrightDrop2026 Chevrolet Colorado+ 55 more
  Associated Documents

  • DownloadMC-11020811-0001.pdf↗
• July 2, 2025•Document ID: 11020681

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6411

  Date Added:

  July 14, 2025

  Manufacturer:

  GMC

  Summary

  This information provides software update information for the K73 Telematics module to correct the symptoms described.

  Associated Products (25)

  2026 Buick Enclave2026 Cadillac CT52026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Chevrolet Blazer2026 Chevrolet Equinox2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 GMC Acadia2026 GMC Hummer EV Pickup2026 GMC Hummer EV SUV2026 GMC Terrain2025 Buick Enclave2025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Chevrolet Blazer2025 Chevrolet Equinox+ 5 more
  Associated Documents

  • DownloadMC-11020681-0001.pdf↗
• July 2, 2025•Document ID: 11020680

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6393A

  Date Added:

  July 14, 2025

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it. It also informs them to follow the bulletins as necessary to USB update the modules.

  Associated Products (37)

  2026 Cadillac Vistiq2026 Chevrolet BrightDrop2026 Chevrolet Equinox2026 GMC Terrain2025 Buick Enclave2025 Buick Envision2025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Cadillac XT42025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Equinox2025 Chevrolet Silverado2025 Chevrolet Suburban2025 Chevrolet Tahoe2025 Chevrolet Traverse+ 17 more
  Associated Documents

  • DownloadMC-11020680-0001.pdf↗
• June 26, 2025•Document ID: 11019872

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT5832V

  Date Added:

  June 30, 2025

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.

  Associated Products (109)

  2026 Buick Enclave2026 Buick Envision2026 Cadillac CT42026 Cadillac CT52026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Lyriq2026 Chevrolet BrightDrop2026 Chevrolet Colorado2026 Chevrolet Corvette2026 Chevrolet Equinox2026 Chevrolet Silverado2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 GMC Hummer EV Pickup2026 GMC Sierra2026 GMC Terrain2026 GMC Yukon2026 GMC Yukon XL+ 89 more
  Associated Documents

  • DownloadMC-11019872-0001.pdf↗
• June 20, 2025•Document ID: 11019670

  Service Campaign
  UNKNOWN OR OTHER

  Mfr Comm. #:

  N252494770-01

  Date Added:

  June 20, 2025

  Manufacturer:

  CHEVROLET

  Summary

  Amendments to the Song-Beverly Act (SBA) California warranty law provides vehicle owners with an opportunity to submit a written notice to GM before filing a lawsuit seeking a vehicle repurchase. If such a notice is not provided to GM, then the vehicle owner is prevented from seeking civil penalties in litigation. Vehicle owners of the affected vehicles will be mailed an owner’s manual and warranty insert containing this information in English and Spanish.

  Associated Products (305)

  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 BrightDrop2025 Chevrolet Colorado2025 Chevrolet Corvette+ 285 more
  Associated Documents

  • DownloadMC-11019670-0001.pdf↗
• June 19, 2025•Document ID: 11019846

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6401

  Date Added:

  June 30, 2025

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates a diagnostic tip on how to resolve a issue of the horn sounding when vehicle doors are being closed and the key in vehicle reminder set to off.

  Associated Products (101)

  2026 Buick Envision2026 Cadillac CT42026 Cadillac CT52026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Lyriq2026 Cadillac Optiq2026 Cadillac Vistiq2026 Chevrolet BrightDrop2026 Chevrolet Colorado2026 Chevrolet Equinox2026 Chevrolet Silverado2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 GMC Hummer EV Pickup2026 GMC Hummer EV SUV2026 GMC Sierra2026 GMC Terrain2026 GMC Yukon+ 81 more
  Associated Documents

  • DownloadMC-11019846-0001.pdf↗
• June 19, 2025•Document ID: 11019839

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIP6073

  Date Added:

  June 30, 2025

  Manufacturer:

  CADILLAC

  Summary

  This preliminary information advises dealers of a potential ignition coil failure that could cause an engine misfire that could be misdiagnosed as a fuel injector.

  Associated Products (7)

  2025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Chevrolet Silverado2025 Chevrolet Tahoe2025 GMC Sierra2025 GMC Yukon
  Associated Documents

  • DownloadMC-11019839-0001.pdf↗
• June 18, 2025•Document ID: 11019844

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6393

  Date Added:

  June 30, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it. It also informs them to follow the bulletins as necessary to USB update the modules.

  Associated Products (35)

  2026 Cadillac Vistiq2026 Chevrolet BrightDrop2025 Buick Enclave2025 Buick Envision2025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Cadillac XT42025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Equinox2025 Chevrolet Silverado2025 Chevrolet Suburban2025 Chevrolet Tahoe2025 Chevrolet Traverse2025 GMC Acadia2025 GMC Canyon+ 15 more
  Associated Documents

  • DownloadMC-11019844-0001.pdf↗