2025 Cadillac Optiq Technical Service Bulletins

301 technical service bulletins (TSBs) are on record for the 2025 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.

• 11020680Jul 2, 2025Other or unknown. 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.
• 11019983Jun 30, 2025Other or unknown. This Preliminary Information communicates the DTC's setting in the SDGM are false, steps to resolve and not to replace the module.
• 11019977Jun 30, 2025Other or unknown. This Preliminary Information communicates a intermittent misfire, surge, hesitation, chuggle with a potential MIL concerning a potential skewed position 1 oxygen sensor. 2026 model year being added with break point.
• 11019867Jun 23, 2025Other or unknown. This Preliminary information communicates to the technician the steps to be taken when addressing a whistling noise coming from the front of the vehicle when driving on the highway.
• 11019670Jun 20, 2025Other or unknown. 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…
• 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.
• 11019844Jun 18, 2025Other or unknown. 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.
• 11019838Jun 17, 2025Other or unknown. This Preliminary Information communicates possible conditions they may encounter during HVAC flushing procedures on some vehicles due to adapter compatibility concerns that should be resolved soon.
• 11019591Jun 17, 2025Other or unknown. 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 applicable vehicles will be mailed an owner’s manual and warranty insert…
• 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.
• 11026043Jun 7, 2025Electrical system. This technical bulletin provides repair information to correct a customer concern of Radio Software Update W23E-178.1.2-M174-SQBR6-93.3.
• 11019528Jun 5, 2025Other or unknown. 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.
• 11019531Jun 3, 2025Other or unknown. This Preliminary information communicates to the dealer the direction needed to address discoloration with the threads/ stitching for the seats in their new vehicle.
• 11019530Jun 2, 2025Other or unknown. This Preliminary information communicates to the dealer the direction needed to address discoloration with the threads/ stitching for the seats in their new vehicle.
• 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.
• 11019066May 30, 2025Other or unknown. This Preliminary information communicates to the dealer a possible location for an engine harness chafe that may cause a Service High Voltage system with charge limited to 26% message with DTC P1C01 or U016B.
• 11019071May 27, 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.
• 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.
• 11018647May 20, 2025Other or unknown. 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.
• 11023367May 17, 2025Fuel system, Electrical system. This service bulletin provides Requirements for Replacement of the Dual Mode Cord Set Under Warranty.
• 11023484May 16, 2025Electrical system, Fuel system. This service bulletin and criteria within are to determine the internal state of the High Voltage Battery and core return shipping method.
• 11018492May 16, 2025Other or unknown. 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.
• 11023388May 15, 2025Electrical system, Fuel system. 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.
• 11024498May 14, 2025Electrical system, Fuel system. This service bulletin provides information for dealers/technicians on SPS2 Hybrid/EV Battery Data Retrieval for Service High Voltage DTCs.
• 11024496May 14, 2025Electrical system, Fuel system. This service bulletin provides dealers with Warranty Administration information on North American Charging Standard (NACS) DC Adapter Warranty Claim Information.
• 11023365May 14, 2025Electrical system, Fuel system. This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.
• 11018481May 13, 2025Other or unknown. 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.
• 11018478May 13, 2025Other or unknown. This Preliminary information communicates to the technician the possible cause for creak, rattle or tick noise coming from the LH side of the dash.
• 11018476May 13, 2025Other or unknown. This Preliminary information communicates That the active safety systems maybe inoperable and to perform a module reset to correct.
• 11018713May 12, 2025Other or unknown. 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…
• 11020461May 9, 2025Electrical system. This service bulletin provides information on software related issues and provides technicians information to update the radio software to the latest version.
• 11018441May 9, 2025Other or unknown. This Preliminary information communicates to the dealer how to address a customer concern of a scrapping noise coming from the steering wheel/column area.
• 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.
• 11020459May 6, 2025Visibility (wipers, defrost, mirrors). This service bulletin provides a procedure to correct the condition of Wiper Arm Chatter Concerns.
• 11018430May 6, 2025Other or unknown. 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.
• 11018420May 5, 2025Other or unknown. This Preliminary Information communicates the steps on diagnosing certain EV vehicles with a blank IPC screen, no charge or start concerns. Information includes steps to resolve for various symptoms are provided to the dealership technician.
• 11018415May 2, 2025Other or unknown. This Preliminary information communicates to the dealer/technician the steps needed to address a customer's concern of a Collision Alert or Driver Assist unavailable message and a U0235 DTC.
• 11019744Apr 30, 2025Body and structure. This service bulletin provides information and a procedure to correct the Dealer Installed Accessory Trailer Hitch Installation Concern.
• 11017786Apr 29, 2025Other or unknown. This Preliminary information communicates to the technician the direction needed to address a Service headlamp message with DTC C103D sym28.
• 11017782Apr 29, 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. In these instances, it is advised to perform BECM (Battery Energy Control Module) programming and execute the Manual Reset Shunt process.
• 11019628Apr 25, 2025Electrical system. This service bulletin provides customers and technicians on a detailed description of navigating the Dolby Atmos after installing the radio software W36E-179.1.2-M174-SQBR6-151.2.
• 11019624Apr 25, 2025Electrical system, Fuel system. This service bulletin provides information for dealers/technicians on Software Updates on Ultium Vehicles.
• 11019545Apr 24, 2025Electrical system. This warranty administration bulletin provides information for dealers/technicians on System Reset and Connector Reconnect Labor Code Numbers.
• 11019548Apr 23, 2025Electrical system. This service bulletin provides information for dealers/technicians on Vehicle Wide Programming Instructions.
• 11017775Apr 22, 2025Other or unknown. This Preliminary information communicates That the active safety systems maybe inoperable and to perform a module reset to correct.
• 11019516Apr 17, 2025Suspension, Steering, Transmission and drivetrain. This preliminary informational (PI) bulletin provides information to dealership personnel that may be helpful when addressing underbody component corrosion with customers.

← All problems reported for the 2025 Cadillac Optiq