Cadillac Optiq Service Bulletins (2025)

301 manufacturer communications on file.

• April 16, 2025•Document ID: 11017271

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6151B

  Date Added:

  April 28, 2025

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates to the technician that GM is aware of this concern and to update the Google maps application through the playstore.

  Associated Products (49)

  2025 Buick Enclave2025 Buick Envision2025 Cadillac Lyriq2025 Cadillac Optiq2025 Cadillac XT42025 Chevrolet Blazer2025 Chevrolet BrightDrop2025 Chevrolet Colorado2025 Chevrolet Equinox2025 Chevrolet Silverado2025 Chevrolet Suburban2025 Chevrolet Tahoe2025 Chevrolet Traverse2025 GMC Hummer EV Pickup2025 GMC Sierra2025 GMC Yukon2025 GMC Yukon XL2024 BrightDrop Zevo2024 Cadillac Lyriq2024 Cadillac XT4+ 29 more
  Associated Documents

  • DownloadMC-11017271-0001.pdf↗
• April 16, 2025•Document ID: 11017270

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6105D

  Date Added:

  April 28, 2025

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates to dealership technicians that they will need to perform this step prior to performing any programming on replacement radios.

  Associated Products (41)

  2026 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 BrightDrop2025 Chevrolet Colorado2025 Chevrolet Equinox2025 Chevrolet Silverado2025 Chevrolet Suburban2025 Chevrolet Tahoe2025 Chevrolet Traverse2025 GMC Acadia2025 GMC Canyon+ 21 more
  Associated Documents

  • DownloadMC-11017270-0001.pdf↗
• April 16, 2025•Document ID: 11017257

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6552E

  Date Added:

  April 28, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates how to recover the Image Processing Module.

  Associated Products (110)

  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+ 90 more
  Associated Documents

  • DownloadMC-11017257-0001.pdf↗
• April 12, 2025•Document ID: 11016991

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6601

  Date Added:

  April 15, 2025

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates to the technician the possible cause for creak, rattle or tick noise coming from the LH side of the dash.

  Associated Products (1)

  2025 Cadillac Optiq
  Associated Documents

  • DownloadMC-11016991-0001.pdf↗
• April 12, 2025•Document ID: 11016990

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT5551R

  Date Added:

  April 15, 2025

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting.  This is normal when the FAB has been set to  "Alert".

  Associated Products (232)

  2025 Buick Enclave2025 Buick Envista2025 Cadillac CT42025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Lyriq2025 Cadillac Optiq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Equinox2025 Chevrolet Malibu2025 Chevrolet Silverado2025 Chevrolet Suburban2025 Chevrolet Tahoe2025 Chevrolet Trailblazer2025 Chevrolet Traverse2025 Chevrolet Trax+ 212 more
  Associated Documents

  • DownloadMC-11016990-0001.pdf↗
• April 9, 2025•Document ID: 11017886

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

  Mfr Comm. #:

  23-NA-151

  Date Added:

  May 6, 2025

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin and criteria within are to determine the internal state of the High Voltage Battery and core return shipping method.

  Associated Products (21)

  2026 Cadillac Vistiq2025 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 Equinox2024 Chevrolet Silverado2024 GMC Hummer EV Pickup2024 GMC Sierra2023 BrightDrop Zevo2023 Cadillac Lyriq2023 GMC Hummer EV Pickup+ 1 more
  Associated Documents

  • DownloadMC-11017886-0001.pdf↗
• April 9, 2025•Document ID: 11016982

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6157C

  Date Added:

  April 15, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to dealership technicians that if they encounter a customer vehicle with this concern, it is normal operation and nothing should be replaced.

  Associated Products (24)

  2026 Cadillac Vistiq2025 Buick Enclave2025 Buick Encore2025 Cadillac CT52025 Cadillac Lyriq2025 Cadillac Optiq2025 Cadillac XT42025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Equinox2025 Chevrolet Silverado2025 Chevrolet Traverse2025 GMC Acadia2025 GMC Canyon2024 Cadillac CT52024 Cadillac XT42024 Chevrolet Blazer2024 Chevrolet Colorado2024 Chevrolet Silverado2024 Chevrolet Traverse+ 4 more
  Associated Documents

  • DownloadMC-11016982-0001.pdf↗
• April 8, 2025•Document ID: 11017839

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  07-00-89-037W

  Date Added:

  May 5, 2025

  Manufacturer:

  GMC

  Summary

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

  Associated Products (581)

  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+ 561 more
  Associated Documents

  • DownloadMC-11017839-0001.pdf↗
• April 4, 2025•Document ID: 11017530

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; UNKNOWN OR OTHER

  Mfr Comm. #:

  25-NA-021

  Date Added:

  May 2, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This technical bulletin provides repair information to correct a customer concern of Radio Software Update W23E-178.1.2-M174-SQBR6-93.3

  Associated Products (13)

  2025 Buick Enclave2025 Buick Envision2025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Optiq2025 Chevrolet Equinox2025 Chevrolet Suburban2025 Chevrolet Tahoe2025 Chevrolet Traverse2025 GMC Acadia2025 GMC Terrain2025 GMC Yukon2025 GMC Yukon XL
  Associated Documents

  • DownloadMC-11017530-0001.pdf↗
• April 3, 2025•Document ID: 11016669

  Service Bulletin/Repair Instructions
  STRUCTURE:BODY

  Mfr Comm. #:

  PIT6364

  Date Added:

  April 7, 2025

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates to the dealership/technician the repair direction needed to correct a condition that allows the front fascia to contact the headlamp assembly and chip the paint.

  Associated Products (1)

  2025 Cadillac Optiq
  Associated Documents

  • DownloadMC-11016669-0001.pdf↗
• April 3, 2025•Document ID: 11017595

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  25-NA-087

  Date Added:

  May 2, 2025

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides information on the proper Reflective High Temperature Heat and/or Insulating Tape to use for certain repairs, such as Wiring Harness Repairs.

  Associated Products (543)

  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+ 523 more
  Associated Documents

  • DownloadMC-11017595-0001.pdf↗
• April 2, 2025•Document ID: 11017590

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER; ELECTRICAL SYSTEM

  Mfr Comm. #:

  25-NA-085

  Date Added:

  May 2, 2025

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides information on software related issues and provides technicians information to update the radio software to the latest version.

  Associated Products (1)

  2025 Cadillac Optiq
  Associated Documents

  • DownloadMC-11017590-0001.pdf↗
• April 1, 2025•Document ID: 11016122

  Over The Air
  UNKNOWN OR OTHER

  Mfr Comm. #:

  N25-249646

  Date Added:

  April 1, 2025

  Manufacturer:

  CADILLAC

  Summary

  Your vehicle keeps getting better. This software update includes the following, if your vehicle is equipped: • Enables Dolby Atmos advanced surround sound technology to provide optimal, immersive audio experience. • Introduces Atmos object-based audio to allow sound to be placed throughout the vehicle. • Utilizes height channels to allow sound to move in a three-dimensional space with Atmos. • Active OnStar Services plan or data plan required. • Amazon Music Unlimited and Tidal currently available for use with Atmos. • Compatible streaming services that default to the highest quality track supported will utilize Atmos. • Atmos content in .mp4 format can be played from USB storage devices. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. Do not service your vehicle during installation.

  Associated Products (1)

  2025 Cadillac Optiq
  Associated Documents

  • DownloadMC-11016122-0001.pdf↗
• March 31, 2025•Document ID: 11017244

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  13-08-116-001K

  Date Added:

  April 25, 2025

  Manufacturer:

  CADILLAC

  Summary

  The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.

  Associated Products (581)

  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+ 561 more
  Associated Documents

  • DownloadMC-11017244-0001.pdf↗
• March 28, 2025•Document ID: 11017247

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  22-NA-242

  Date Added:

  April 26, 2025

  Manufacturer:

  GMC

  Summary

  This warranty administration bulletin provides information for dealers/technicians on System Reset and Connector Reconnect Labor Code Numbers.

  Associated Products (145)

  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+ 125 more
  Associated Documents

  • DownloadMC-11017247-0001.pdf↗
• March 27, 2025•Document ID: 11016170

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6352A

  Date Added:

  April 1, 2025

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates A vehicle may come to the dealer with a service high voltage message and P29BB. The dealer is advised not to replace the heater. They are to clear the code and advise the customer that engineering is working on a design improvement.

  Associated Products (7)

  2026 Cadillac Vistiq2025 Cadillac Lyriq2025 Cadillac Optiq2025 Chevrolet Blazer2025 Chevrolet Equinox2024 Chevrolet Blazer2024 Chevrolet Equinox
  Associated Documents

  • DownloadMC-11016170-0001.pdf↗
• March 26, 2025•Document ID: 11017260

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

  Mfr Comm. #:

  24-NA-143

  Date Added:

  April 28, 2025

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides information for dealers/technicians on Software Updates on Ultium Vehicles.

  Associated Products (20)

  2026 Cadillac Lyriq2026 Cadillac Vistiq2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Chevrolet Blazer2025 Chevrolet BrightDrop2025 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 Pickup2022 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-11017260-0001.pdf↗
• March 24, 2025•Document ID: 11016160

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIP5981E

  Date Added:

  April 1, 2025

  Manufacturer:

  GMC

  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 (20)

  2026 Cadillac Vistiq2025 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 Equinox2024 Chevrolet Silverado2024 GMC Hummer EV Pickup2024 GMC Sierra2023 Cadillac Lyriq2023 GMC Hummer EV Pickup2022 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-11016160-0001.pdf↗
• March 24, 2025•Document ID: 11016155

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6353

  Date Added:

  April 1, 2025

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates Proper NACS charging adaptor usage.

  Associated Products (29)

  2026 Cadillac Vistiq2025 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 Equinox2024 Chevrolet Silverado2024 GMC Hummer EV Pickup2024 GMC Sierra2023 BrightDrop Zevo2023 Cadillac Lyriq2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV+ 9 more
  Associated Documents

  • DownloadMC-11016155-0001.pdf↗
• March 22, 2025•Document ID: 11017177

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

  Mfr Comm. #:

  25-NA-067

  Date Added:

  April 24, 2025

  Manufacturer:

  CADILLAC

  Summary

  Some customers may comment on Service High Voltage Warning Message and vehicle in setting P1C01.

  Associated Products (3)

  2025 Cadillac Optiq2025 Chevrolet Blazer2025 Chevrolet Equinox
  Associated Documents

  • DownloadMC-11017177-0001.pdf↗