Cadillac Optiq Service Bulletins (2025)

301 manufacturer communications on file.

• March 21, 2025•Document ID: 11017230

  Service Bulletin/Repair Instructions
  STRUCTURE:BODY

  Mfr Comm. #:

  PIE0822

  Date Added:

  April 25, 2025

  Manufacturer:

  CADILLAC

  Summary

  This EI (Lite) (Pictures ONLY) for Pre-Delivery Inspection (PDI) and Customer Vehicle Issues Up to 500 Miles. Dealers should use the CSMT App, do Field Product Reporting (FPR) and submit a Report for Paint Issues or Damage.

  Associated Products (1)

  2025 Cadillac Optiq
  Associated Documents

  • DownloadMC-11017230-0001.pdf↗
• March 21, 2025•Document ID: 11017207

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER; ELECTRICAL SYSTEM

  Mfr Comm. #:

  24-NA-098

  Date Added:

  April 24, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491, E4492, or E6961 and resolution information.

  Associated Products (464)

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  Associated Documents

  • DownloadMC-11017207-0001.pdf↗
• March 21, 2025•Document ID: 11017173

  Service Bulletin/Repair Instructions
  FUEL/PROPULSION SYSTEM; SERVICE BRAKES; STEERING

  Mfr Comm. #:

  25-NA-065

  Date Added:

  April 24, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin instructs the tech when fuel/fluid is needed to be tested and where it can be sent for analysis.

  Associated Products (496)

  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 Corvette+ 476 more
  Associated Documents

  • DownloadMC-11017173-0001.pdf↗
• March 21, 2025•Document ID: 11015945

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6356

  Date Added:

  March 26, 2025

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates A vehicle may be encountered with super cruise inop due to not seeing drivers face clearly. The tech is directed to inspect the Infrared LED's on the steering wheel and replace the wheel if necessary.

  Associated Products (28)

  2025 Buick Enclave2025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Chevrolet Blazer2025 Chevrolet Equinox2025 Chevrolet Silverado2025 Chevrolet Tahoe2025 Chevrolet Traverse2025 GMC Acadia2025 GMC Sierra2025 GMC Yukon2025 GMC Yukon XL2024 Cadillac Escalade2024 Cadillac Escalade ESV2024 Cadillac Lyriq2024 Chevrolet Traverse+ 8 more
  Associated Documents

  • DownloadMC-11015945-0001.pdf↗
• March 20, 2025•Document ID: 11015942

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6599

  Date Added:

  March 26, 2025

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates to the technician the direction to take if they encounter an issue with the front grill trim fitment.

  Associated Products (1)

  2025 Cadillac Optiq
  Associated Documents

  • DownloadMC-11015942-0001.pdf↗
• March 20, 2025•Document ID: 11017093

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; UNKNOWN OR OTHER

  Mfr Comm. #:

  25-NA-021

  Date Added:

  April 17, 2025

  Manufacturer:

  GMC

  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-11017093-0001.pdf↗
• March 20, 2025•Document ID: 11017050

  Service Bulletin/Repair Instructions
  VISIBILITY/WIPER

  Mfr Comm. #:

  24-NA-164

  Date Added:

  April 15, 2025

  Manufacturer:

  GMC

  Summary

  This bulletin provides information on Wiper Blade Maintenance Tips.

  Associated Products (111)

  2026 Cadillac Vistiq2025 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 Corvette+ 91 more
  Associated Documents

  • DownloadMC-11017050-0001.pdf↗
• March 18, 2025•Document ID: 11015690

  Service Campaign
  UNKNOWN OR OTHER; VISIBILITY/WIPER

  Mfr Comm. #:

  N252492430

  Date Added:

  March 18, 2025

  Manufacturer:

  CADILLAC

  Summary

  Certain vehicles may have a condition in which the heated windshield wiper park is inoperative. Dealers are to reprogram the Lighting Control Module. Owners who have accepted applicable terms and conditions will have the opportunity to accept these software changes using wireless over-the-air (OTA) technology without having to bring their vehicle to a dealership. Alternatively, owners may have their vehicle serviced at a GM dealer to receive these software updates.

  Associated Products (3)

  2025 Cadillac Optiq2025 Chevrolet Blazer2024 Chevrolet Blazer
  Associated Documents

  • DownloadMC-11015690-0001.pdf↗
• March 14, 2025•Document ID: 11017016

  Service Bulletin/Repair Instructions
  WHEELS

  Mfr Comm. #:

  08-03-10-006I

  Date Added:

  April 15, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel Bead Seat Corrosion.

  Associated Products (545)

  2026 Cadillac Vistiq2025 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 Corvette+ 525 more
  Associated Documents

  • DownloadMC-11017016-0001.pdf↗
• March 12, 2025•Document ID: 11015646

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6352

  Date Added:

  March 17, 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 (6)

  2025 Cadillac Lyriq2025 Cadillac Optiq2025 Chevrolet Blazer2025 Chevrolet Equinox2024 Chevrolet Blazer2024 Chevrolet Equinox
  Associated Documents

  • DownloadMC-11015646-0001.pdf↗
• March 12, 2025•Document ID: 11017031

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-06-03-001F

  Date Added:

  April 15, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information to diagnose batteries that have set for a long period of time and/or cold weather climates and testing those batteries.

  Associated Products (581)

  2026 Cadillac Vistiq2025 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 Corvette+ 561 more
  Associated Documents

  • DownloadMC-11017031-0001.pdf↗
• March 11, 2025•Document ID: 11015485

  Service Campaign
  UNKNOWN OR OTHER; ELECTRICAL SYSTEM

  Mfr Comm. #:

  N252494750

  Date Added:

  March 11, 2025

  Manufacturer:

  CADILLAC

  Summary

  Service update - Certain vehicles listed above may have a condition in which the sound mode is not available to the customer in the radio settings. Dealers are to reprogram the radio

  Associated Products (1)

  2025 Cadillac Optiq
  Associated Documents

  • DownloadMC-11015485-0001.pdf↗
• March 11, 2025•Document ID: 11017004

  Service Bulletin/Repair Instructions
  FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL

  Mfr Comm. #:

  25-NA-060

  Date Added:

  April 15, 2025

  Manufacturer:

  GMC

  Summary

  This service bulletin provides information for dealers/technicians on Diagnostic Aid - Super Cruise Unavailable.

  Associated Products (19)

  2025 Buick Enclave2025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Chevrolet Blazer2025 Chevrolet Equinox2025 Chevrolet Silverado2025 Chevrolet Suburban2025 Chevrolet Tahoe2025 Chevrolet Traverse2025 GMC Acadia2025 GMC Sierra2025 GMC Yukon2025 GMC Yukon XL2024 Chevrolet Traverse2024 GMC Acadia
  Associated Documents

  • DownloadMC-11017004-0001.pdf↗
• March 10, 2025•Document ID: 11015641

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6351

  Date Added:

  March 17, 2025

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates a vehicle may have a Service AC message. On diagnosis code P0071 will be found. The technician is directed to diagnose the circuits following SI. Tech is advised not to replace any parts and that engineering is working on a design improvement.

  Associated Products (7)

  2025 Cadillac Lyriq2025 Cadillac Optiq2025 Chevrolet Blazer2025 Chevrolet Equinox2024 Cadillac Lyriq2024 Chevrolet Blazer2024 Chevrolet Equinox
  Associated Documents

  • DownloadMC-11015641-0001.pdf↗
• March 7, 2025•Document ID: 11015585

  Service Bulletin/Repair Instructions
  STRUCTURE:BODY

  Mfr Comm. #:

  PIC6598

  Date Added:

  March 12, 2025

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates to the technician a diagnostic tip for diagnosing a front door latch when it is not latching.

  Associated Products (1)

  2025 Cadillac Optiq
  Associated Documents

  • DownloadMC-11015585-0001.pdf↗
• March 7, 2025•Document ID: 11015572

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

  Mfr Comm. #:

  22-NA-083

  Date Added:

  March 12, 2025

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides Requirements for Replacement of the Dual Mode Cord Set Under Warranty.

  Associated Products (19)

  2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Chevrolet Blazer2025 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 Chevrolet Bolt EUV2023 GMC Hummer EV Pickup2022 Chevrolet Bolt EUV2022 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-11015572-0001.pdf↗
• March 5, 2025•Document ID: 11016032

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; UNKNOWN OR OTHER

  Mfr Comm. #:

  25-NA-049

  Date Added:

  March 27, 2025

  Manufacturer:

  CADILLAC

  Summary

  This informational bulletin provides information for dealers/technicians on Service High Voltage Message Setting DTC P0CCD.

  Associated Products (9)

  2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Chevrolet Blazer2025 Chevrolet Equinox2024 Cadillac Lyriq2024 Chevrolet Blazer2024 Chevrolet Equinox2023 Cadillac Lyriq
  Associated Documents

  • DownloadMC-11016032-0001.pdf↗
• March 5, 2025•Document ID: 11015620

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

  Mfr Comm. #:

  24-NA-143

  Date Added:

  March 14, 2025

  Manufacturer:

  CADILLAC

  Summary

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

  Associated Products (17)

  2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Chevrolet Blazer2025 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-11015620-0001.pdf↗
• March 5, 2025•Document ID: 11015567

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  17-NA-073

  Date Added:

  March 12, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This warranty administration bulletin provides information regarding the field action courtesy transportation policy.

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  Associated Documents

  • DownloadMC-11015567-0001.pdf↗
• February 27, 2025•Document ID: 11015242

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

  Mfr Comm. #:

  PIE0753H

  Date Added:

  March 7, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This engineering information (EI) will assist GM to recover a small number of electric vehicle battery packs from customer-owned vehicles in the field for further engineering study and analysis.

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  Associated Documents

  • DownloadMC-11015242-0001.pdf↗