Cadillac Optiq Service Bulletins

312 manufacturer communications on file.

• May 30, 2025•Document ID: 11019072

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT5074R

  Date Added:

  June 4, 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 (206)

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  Associated Documents

  • DownloadMC-11019072-0001.pdf↗
• May 27, 2025•Document ID: 11019071

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIP5981F

  Date Added:

  June 4, 2025

  Manufacturer:

  CADILLAC

  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 (10)

  2026 Cadillac Vistiq2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 GMC Hummer EV Pickup2024 Cadillac Lyriq2024 GMC Hummer EV Pickup2023 Cadillac Lyriq2023 GMC Hummer EV Pickup2022 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-11019071-0001.pdf↗
• May 22, 2025•Document ID: 11018659

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT5966E

  Date Added:

  May 29, 2025

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message.

  Associated Products (205)

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  Associated Documents

  • DownloadMC-11018659-0001.pdf↗
• May 20, 2025•Document ID: 11018647

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6356B

  Date Added:

  May 29, 2025

  Manufacturer:

  CADILLAC

  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 (25)

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  Associated Documents

  • DownloadMC-11018647-0001.pdf↗
• May 17, 2025•Document ID: 11023367

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

  Mfr Comm. #:

  22-NA-083

  Date Added:

  September 27, 2025

  Manufacturer:

  CADILLAC

  Summary

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

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  Associated Documents

  • DownloadMC-11023367-0001.pdf↗
• May 16, 2025•Document ID: 11018492

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6608

  Date Added:

  May 20, 2025

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates to the dealer how to address the complaint of flutter/rattle noise from high bass audio input on front door trim.

  Associated Products (1)

  2025 Cadillac Optiq
  Associated Documents

  • DownloadMC-11018492-0001.pdf↗
• May 16, 2025•Document ID: 11023484

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

  Mfr Comm. #:

  23-NA-151

  Date Added:

  October 2, 2025

  Manufacturer:

  GMC

  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 (12)

  2026 Cadillac Vistiq2025 Cadillac Celestiq2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 GMC Hummer EV Pickup2025 GMC Hummer EV SUV2024 Cadillac Lyriq2024 GMC Hummer EV Pickup2023 Cadillac Lyriq2023 GMC Hummer EV Pickup2022 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-11023484-0001.pdf↗
• May 15, 2025•Document ID: 11023388

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

  Mfr Comm. #:

  PIE0753I

  Date Added:

  September 30, 2025

  Manufacturer:

  CADILLAC

  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-11023388-0001.pdf↗
• May 14, 2025•Document ID: 11024498

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

  Mfr Comm. #:

  25-NA-044

  Date Added:

  October 27, 2025

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides information for dealers/technicians on SPS2 Hybrid/EV Battery Data Retrieval for Service High Voltage DTCs.

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  Associated Documents

  • DownloadMC-11024498-0001.pdf↗
• May 14, 2025•Document ID: 11024496

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

  Mfr Comm. #:

  24-NA-202

  Date Added:

  October 27, 2025

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides dealers with Warranty Administration information on North American Charging Standard (NACS) DC Adapter Warranty Claim Information.

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  Associated Documents

  • DownloadMC-11024496-0001.pdf↗
• May 14, 2025•Document ID: 11023365

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

  Mfr Comm. #:

  18-NA-180

  Date Added:

  September 26, 2025

  Manufacturer:

  GMC

  Summary

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

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  Associated Documents

  • DownloadMC-11023365-0001.pdf↗
• May 13, 2025•Document ID: 11018478

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6601A

  Date Added:

  May 20, 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-11018478-0001.pdf↗
• May 13, 2025•Document ID: 11018481

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6356A

  Date Added:

  May 20, 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 (26)

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  Associated Documents

  • DownloadMC-11018481-0001.pdf↗
• May 13, 2025•Document ID: 11018476

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6587B

  Date Added:

  May 20, 2025

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates That the active safety systems maybe inoperable and to perform a module reset to correct.

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  Associated Documents

  • DownloadMC-11018476-0001.pdf↗
• May 12, 2025•Document ID: 11018713

  Over The Air
  UNKNOWN OR OTHER

  Mfr Comm. #:

  N25-249834

  Date Added:

  May 30, 2025

  Manufacturer:

  CADILLAC

  Summary

  Your vehicle keeps getting better. This software update includes the following, if your vehicle is equipped: •Improvements to DC fast charging. •Improvements to energy transfer. •Improvements to performance during system fault conditions. 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-11018713-0001.pdf↗
• May 9, 2025•Document ID: 11018441

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6604

  Date Added:

  May 19, 2025

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates to the dealer how to address a customer concern of a scrapping noise coming from the steering wheel/column area.

  Associated Products (1)

  2025 Cadillac Optiq
  Associated Documents

  • DownloadMC-11018441-0001.pdf↗
• May 9, 2025•Document ID: 11020461

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  25-NA-085

  Date Added:

  July 8, 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.

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  Associated Documents

  • DownloadMC-11020461-0001.pdf↗
• May 8, 2025•Document ID: 11023051

  Service Bulletin/Repair Instructions
  FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING

  Mfr Comm. #:

  25-NA-118

  Date Added:

  September 10, 2025

  Manufacturer:

  GMC

  Summary

  This service bulletin provides information for the technicians to use a Customer Concern Verification sheet to facilitate the questions needing to be answered by the customer regarding Automatic Emergency Braking (AEB) issues.

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  Associated Documents

  • DownloadMC-11023051-0001.pdf↗
• May 6, 2025•Document ID: 11020459

  Service Bulletin/Repair Instructions
  VISIBILITY/WIPER

  Mfr Comm. #:

  25-NA-045

  Date Added:

  July 8, 2025

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides a procedure to correct the condition of Wiper Arm Chatter Concerns.

  Associated Products (1)

  2025 Cadillac Optiq
  Associated Documents

  • DownloadMC-11020459-0001.pdf↗
• May 6, 2025•Document ID: 11018430

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6215B

  Date Added:

  May 19, 2025

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates to dealership technicians that if they encounter a customer vehicle with this concern, to perform the steps listed and should be able to reprogram the module and correct this.

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  Associated Documents

  • DownloadMC-11018430-0001.pdf↗