2026 Cadillac Optiq Technical Service Bulletins

144 technical service bulletins (TSBs) are on record for the 2026 Cadillac Optiq. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 11025581Nov 13, 2025Other or unknown. This Preliminary information communicates ordering process for the front and rear drive units are on restriction for all listed EV vehicles for engineering review.
• 11025579Nov 13, 2025Other or unknown. This Preliminary information communicates to the technician the repair direction needed to correct the foam seal when visible from inside or outside of the vehicle.
• 11025574Nov 13, 2025Other or unknown. This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display
• 11025573Nov 11, 2025Other or unknown. This Preliminary information communicates that a noise or vibration maybe heard from the A/C compressor and that Engineering is working on a resolution.
• 11025572Nov 11, 2025Other or unknown. This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display
• 11025458Nov 6, 2025Other or unknown. This Preliminary information communicates to the technician the repair direction needed to correct the foam seal when visible from inside or outside of the vehicle.
• 11025456Nov 4, 2025Other or unknown. This Preliminary information communicates to the technician the repair direction needed to correct the foam seal when visible from inside or outside of the vehicle.
• 11025455Nov 4, 2025Other or unknown. This Preliminary information communicates that the upper compressor mount could be twisted causing a vibration or noise concern while the compressor is running.
• 11024773Oct 30, 2025Other or unknown. This Preliminary Information communicates that, under certain conditions, a MIL (Malfunction Indicator Lamp) illumination or a "Service High Voltage" message may display on the IPC (Instrument Panel Cluster), and the 12V battery may experience discharge.
• 11024771Oct 30, 2025Other or unknown. This PI communicates information that the Collision / Detection Systems will revert to default setting of Alert and Brake after an Ignition Cycle due to an Engineering change.
• 11024694Oct 23, 2025Other or unknown. This Preliminary information communicates to the technician the repair direction needed to correct the foam seal when visible from inside or outside of the vehicle.
• 11024460Oct 18, 2025Other or unknown. This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's
• 11024455Oct 17, 2025Other or unknown. This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's
• 11024439Oct 4, 2025Other or unknown. The Driver Information Center may display a message of Transport Mode On after the ignition is cycled.
• 11023903Oct 1, 2025Other or unknown. This information provides software update information for the K73 Telematics module to correct the symptoms described.
• 11023900Sep 27, 2025Other or unknown. This Preliminary information communicates not to replace the Image processing Module if the following DTC's are history - U3000 SYM49, U1624, U0140, U023B SYM00, U053C, B1DD SYM57.
• 11023091Sep 9, 2025Other or unknown. New Vehicle Monitoring Programs Section in IVH
• 11023143Sep 8, 2025Other or unknown. This preliminarily information communication an issue with the supercruise dropping out when next to a merging lane and engineering is investigating.
• 11024324Sep 4, 2025Electrical system, Fuel system. This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.
• 11022138Aug 22, 2025Other or unknown. This Preliminary information communicates the active safety features and/or cameras are inoperative or unavailable after a 12 volt battery replacement or battery charge after a low voltage condition.
• 11022086Aug 15, 2025Other or unknown. This Preliminary information communicates an issue with the virtual garage door opener not programming to a garage opener. Engineering is working on a new module.
• 11022084Aug 14, 2025Other or unknown. This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
• 11022068Aug 8, 2025Other or unknown. This Preliminary information communicates an issue with super cruise unavailable due to the driver's monitoring camera and dealers to replace the camera.
• 11021792Aug 7, 2025Other or unknown. 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.
• 11020964Jul 25, 2025Other or unknown. This preliminary information is for technicians that will have this message after USB updating the radio. The repair should not involve replacing a module as pressing the reset button will correct this issue.
• 11020809Jul 18, 2025Other or unknown. This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
• 11020811Jul 16, 2025Other or unknown. 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.
• 11019846Jun 19, 2025Other or unknown. 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.
• 11019823Jun 10, 2025Other or unknown. This Preliminary information communicates assistance in locating the Rear seat belt comfort guides in the parts catalog.
• 11019693Jun 9, 2025Other or unknown. This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
• 11026104Jun 7, 2025Wheels. This service bulletin provides information on Tire Sidewall Irregularities.
• 11019075May 30, 2025Other or unknown. 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.
• 11019074May 30, 2025Other or unknown. 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.
• 11019073May 30, 2025Other or unknown. 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.
• 11019072May 30, 2025Other or unknown. 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.
• 11018659May 22, 2025Other or unknown. This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message.
• 11023365May 14, 2025Fuel system, Electrical system. This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.
• 11023051May 8, 2025Forward collision avoidance. 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.
• 11019545Apr 24, 2025Electrical system. This warranty administration bulletin provides information for dealers/technicians on System Reset and Connector Reconnect Labor Code Numbers.
• 11017839Apr 8, 2025Other or unknown. This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
• 11017595Apr 3, 2025Electrical system. 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.
• 11017244Mar 31, 2025Electrical system. 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.
• 11017247Mar 28, 2025Electrical system. This warranty administration bulletin provides information for dealers/technicians on System Reset and Connector Reconnect Labor Code Numbers.
• 11017173Mar 21, 2025Fuel system, Steering, Brakes. This informational bulletin instructs the tech when fuel/fluid is needed to be tested and where it can be sent for analysis.

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