2025 Cadillac Lyriq Technical Service Bulletins

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

• 11023266May 9, 2025Fuel system, Electrical system. This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Malfunction Indicator Lamp (MIL) illuminated on the Driver Information Center (DIC) and/or a no-start condition following a recent vehicle update.
• 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.
• 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.
• 11018419May 5, 2025Other or unknown. This Preliminary information communicates how to move U018B from Current to History.
• 11017784Apr 29, 2025Other or unknown. This Preliminary information communicates to dealership technicians that if they encounter a customer vehicle with these concerns that engineering is aware and this PI will turn into a bulletin once a repair is available.
• 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.
• 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.
• 11017216Apr 22, 2025Other or unknown. Your Vehicle keeps getting better. A vehicle software update is ready for you to install. This update includes the following if your vehicle is equipped: Refinements •This software update improves the performance of key card recognition. •The key card is the size and shape of a credit card, and is a convenient alternative to a key fob. •The vehicle can be locked, unlocked, and started using the key card. •For more…
• 11017311Apr 18, 2025Other or unknown. This Preliminary information communicates to GM technicians to not replace any parts at this time if they come across this concern to reset the radio at this time. The PI will be updated or replaced with TSB once a determination has been made.
• 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.
• 11017274Apr 16, 2025Other or unknown. This Preliminary information communicates to GM technicians to not replace any parts at this time if they come across this concern. It is due to software and will need to reprogram the A11 radio module to correct this.
• 11017271Apr 16, 2025Other or unknown. This Preliminary information communicates to the technician that GM is aware of this concern and to update the Google maps application through the playstore.
• 11017270Apr 16, 2025Other or unknown. This Preliminary information communicates to dealership technicians that they will need to perform this step prior to performing any programming on replacement radios.
• 11017257Apr 16, 2025Other or unknown. This Preliminary information communicates how to recover the Image Processing Module.
• 11016990Apr 12, 2025Other or unknown. This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert".
• 11016989Apr 12, 2025Other or unknown. This Preliminary information communicates how to move U018B from Current to History.
• 11017886Apr 9, 2025Fuel system, Electrical system. This service bulletin and criteria within are to determine the internal state of the High Voltage Battery and core return shipping method.
• 11016982Apr 9, 2025Other or unknown. This Preliminary information communicates to dealership technicians that if they encounter a customer vehicle with this concern, it is normal operation and nothing should be replaced.
• 11017839Apr 8, 2025Other or unknown. This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
• 11016674Apr 4, 2025Other or unknown. This Preliminary information communicates an issues with the odometer being incorrect after a programming event and how the dealership can resolve the issue.
• 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.
• 11016667Apr 2, 2025Other or unknown. This preliminary information communicates to dealership technicians various radio concerns are all related to software and Engineering is currently working on a design improvement.
• 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.
• 11017246Mar 29, 2025Other or unknown. This informational bulletin provides information for dealers/technicians on Customer Education Bulletin for Google Built In Radio.
• 11017322Mar 28, 2025Other or unknown, Electrical system. This service bulletin provides information on Missing Universal Garage Door Opener (UGDO) Learn Button from Virtual Controls in Lux1, Sport1 trim levels.
• 11017247Mar 28, 2025Electrical system. This warranty administration bulletin provides information for dealers/technicians on System Reset and Connector Reconnect Labor Code Numbers.
• 11016170Mar 27, 2025Other or unknown. 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.
• 11017260Mar 26, 2025Fuel system, Electrical system. This service bulletin provides information for dealers/technicians on Software Updates on Ultium Vehicles.
• 11016160Mar 24, 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.
• 11016156Mar 24, 2025Other or unknown. This Preliminary information communicates how to move U018B from Current to History.
• 11016155Mar 24, 2025Other or unknown. This Preliminary information communicates Proper NACS charging adaptor usage.
• 11017207Mar 21, 2025Other or unknown, Electrical system. 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.
• 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.
• 11015945Mar 21, 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.
• 11017050Mar 20, 2025Visibility (wipers, defrost, mirrors). This bulletin provides information on Wiper Blade Maintenance Tips.
• 11016073Mar 19, 2025Other or unknown. Your Vehicle keeps getting better. A vehicle software update is Ready for you to install. This update includes the following if your vehicle is equipped: Refinements • A variety of software improvements were made to make your in-vehicle driving experience better. Enjoy this update. Better Never Stops™ During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected…
• 11016072Mar 19, 2025Other or unknown. Update Title: Important Update N24-248269b Release Notes: • Improves performance during transitions for One-Pedal Driving. • Enhances the functionality of the rear pedestrian alert system. • Additional improvements and fixes implemented. 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…
• 11016031Mar 18, 2025Other or unknown. Update Title: Important Update N24-248269b Release Notes: • Increases the availability of Super Cruise functionality. • Additional improvements and fixes implemented. 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.
• 11017016Mar 14, 2025Wheels. 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.
• 11016027Mar 13, 2025Other or unknown. Update Title: Important Update GM N25-2494560 Release Notes: •Improves accuracy of service messages for high voltage charging system. •Reduces drain on 12V battery. •Improves performance of charging. 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.
• 11017031Mar 12, 2025Electrical system. 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.
• 11015646Mar 12, 2025Other or unknown. 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.
• 11017004Mar 11, 2025Forward collision avoidance. This service bulletin provides information for dealers/technicians on Diagnostic Aid - Super Cruise Unavailable.
• 11015641Mar 10, 2025Other or unknown. 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.
• 11015572Mar 7, 2025Electrical system, Fuel system. This service bulletin provides Requirements for Replacement of the Dual Mode Cord Set Under Warranty.
• 11016032Mar 5, 2025Other or unknown, Electrical system. This informational bulletin provides information for dealers/technicians on Service High Voltage Message Setting DTC P0CCD.
• 11015620Mar 5, 2025Electrical system, Fuel system. This service bulletin provides information for dealers/technicians on Software Updates on Ultium Vehicles.

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