2023 Cadillac Lyriq Technical Service Bulletins

802 technical service bulletins (TSBs) are on record for the 2023 Cadillac Lyriq. 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.

• 11008898Aug 27, 2024Other or unknown. The bulletin provides direction on how to locate the Temporary Service Part (TSP) form in GlobalConnect.
• 11006621Aug 26, 2024Electrical system. Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles. It provides the ability via a single selection within Techline Connect to first identify which modules need updating and then proceed to updating affected modules (with some exceptions). The updating of modules is completed in parallel instead of the technician needing to update one module at a time. This allows a more streamlined…
• 11007938Aug 24, 2024Electrical system, Fuel system. This service bulletin provides Requirements for Replacement of the Dual Mode Cord Set Under Warranty.
• 11007998Aug 23, 2024Electrical system, Fuel system. This bulletin provides a procedure to replace the FPDCM if found to cause customers concerns of Crank No Start, Stalling, Loss of Power, Fuel Gauge Inoperative/Erratic, MIL Illuminated - DTC P023F and/or P129F Set.
• 11008000Aug 22, 2024Visibility (wipers, defrost, mirrors). This bulletin provides information on Wiper Blade Maintenance Tips.
• 11007936Aug 22, 2024Suspension. This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak.
• 11007935Aug 22, 2024Suspension. This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak.
• 11008893Aug 20, 2024Fuel system. This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.
• 11007721Aug 16, 2024Electrical system, Engine. This service bulletin provides information on AGM batteries that require less frequent charging in storage.
• 11006493Aug 16, 2024Electrical system, Other or unknown. This Preliminary information communicates that U3000 SYM49 may be found setting in the Drivers Monitoring Control Module.
• 11006490Aug 16, 2024Electrical system. This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power up after a can bus 2 issue, lightning strike, or a failed over the air update.
• 11006483Aug 16, 2024Other or unknown. This Preliminary information communicates to technicians to perform the programming to the vehicles module to correct customer concerns.
• 11006482Aug 16, 2024Other or unknown. This Preliminary information communicates to check the drivers monitoring camera for a B1DD0 SYM57 or B0126 SYM82 setting with no other DTCs.
• 11006450Aug 16, 2024Other or unknown. This Preliminary information communicates that the Auto Guide Lighting maybe inoperative and Engineering is working on a resolution.
• 11006449Aug 16, 2024Other 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.
• 11006436Aug 16, 2024Other or unknown, Electrical system. This Preliminary information communicates how to recover the Image Processing Module.
• 11006435Aug 16, 2024Electrical system, Other or unknown. This Preliminary information communicates to check the drivers monitoring camera for a B1DD0 setting with no other DTCs.
• 11007818Aug 15, 2024Electrical system, Fuel system. This informational bulletin provides information for dealers/technicians on Software Updates on Ultium Vehicles.
• 11006403Aug 15, 2024Electrical system, Other or unknown. This Preliminary information communicates to check the drivers monitoring camera for a B1DD0 setting with no other DTCs.
• 11008903Aug 14, 2024Fuel system. This service bulletin and criteria within are to determine the internal state of the High Voltage Battery and core return shipping method.
• 11007914Aug 14, 2024Transmission and drivetrain, Electrical 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.
• 11006357Aug 14, 2024Electrical system, Other or unknown. This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
• 11006352Aug 14, 2024Other or unknown. Certain vehicles may require software updates that improve the customer experience and optimize future over-the-air updates. Dealers will perform a comprehensive software update.
• 11006336Aug 13, 2024Electrical system. This Preliminary information communicates that a Software update is in the works and to disconnect the 12 volt battery to clear the codes.
• 11006330Aug 13, 2024Other or unknown. This Preliminary information communicates how to recover the Image Processing Module.
• 11006325Aug 13, 2024Fuel system. This Preliminary information communicates ordering process for the front and rear drive units are on restriction for all listed EV vehicles for engineering review.
• 11006318Aug 13, 2024Electrical system. This Preliminary information communicates how to recover the Image Processing Module.
• 11006315Aug 13, 2024Other or unknown. This Preliminary information communicates to technicians to perform the programming to the vehicles module to correct customer concerns.
• 11006313Aug 13, 2024Other or unknown. This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
• 11006294Aug 13, 2024Electrical system. This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
• 11006682Aug 9, 2024Other or unknown. This service bulletin provides information on a guide to help reduce repeat visits for the same customer concern.
• 11006641Aug 8, 2024Other or unknown. This update corrects a false wheel slippage detection in the anti-lock braking system (ABS) while traveling on a dry surface at speeds below 25 mph. When combined with other factors, this false detection can cause the vehicle’s brakes to have reduced stopping performance or become inoperable.
• 11006644Aug 1, 2024Other or unknown. This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA).
• 11006511Jul 31, 2024Visibility (wipers, defrost, mirrors). This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic.
• 11006509Jul 31, 2024Other or unknown, Electrical system. This informational bulletin provides information for dealers/technicians on Software Updates on Ultium Vehicles.
• 11006507Jul 31, 2024Other or unknown, Electrical system. Warranty Administration - Claim Submission for Field Actions using Vehicle Wide Programming.
• 11005324Jul 30, 2024Electrical system. Certain vehicles may require software updates that improve the customer experience and optimize future over-the-air updates. Dealers will perform a comprehensive software update.
• 11006499Jul 29, 2024Electrical system, Other or unknown. This service bulletin provides information for dealers/technicians on Vehicle Wide Programming Instructions.
• 11006371Jul 26, 2024Electrical system, Other or unknown. This service bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking.
• 11006278Jul 26, 2024Other or unknown. This service bulletin describes the U.S. Dealer Special Tool Loan Program process.
• 11006425Jul 25, 2024Visibility (wipers, defrost, mirrors). This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to the door windows that will not roll all the way up.
• 11006421Jul 24, 2024Transmission and drivetrain. GM is receiving damaged (cracked or broken) transmission cores returned to the reman facilities. The damage is being caused either in the removal process by the technician, or inadequate packaging or shipping. This bulletin advises the dealers to be more careful not to damage the transmissions during removal and to package the core properly for return.
• 11006290Jul 24, 2024Engine, Electrical system. This service bulletin provides information to dealership personnel on a new refrigerant (R1234yf) for A/C service.
• 11006282Jul 22, 2024Wheels. This service bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels.
• 11005378Jul 20, 2024Other or unknown, Electrical system. This service bulletin provides information for dealers/technicians on Vehicle Wide Programming Instructions.
• 11005376Jul 20, 2024Brakes, Forward collision avoidance. This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the rear automatic braking may brake unwantedly, usually when reversing out of a garage or driveway.
• 11005396Jul 18, 2024Other or unknown, Electrical system. Warranty Administration - Claim Submission for Field Actions using Vehicle Wide Programming.
• 11005311Jul 9, 2024Transmission and drivetrain. This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operation.
• 11004998Jul 9, 2024Other or unknown, Electrical system. This service bulletin provides Radio Software update Version W27E-172.5.1-M169-SQBR4-126.3 repair information to correct customer concerns of radio software issues.
• 11004943Jun 28, 2024Fuel system, Electrical system. This engineering information (EI) closure ends the need for gathering further information from technicians in regard to MIL illuminated on DIC to correct BET and BEV3 Ultium Packs Setting Moving Average Voltage Detection (MAVD) and Delta Voltage Rest Period (DVRP) Fault Codes.

← All problems reported for the 2023 Cadillac Lyriq