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Service bulletins for the 2024 Cadillac Lyriq

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

625 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Bulletins, newest first
PIT6356A2025-05-20. Service bulletin. UNKNOWN OR OTHER. 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.
PIT6362B2025-05-20. Service bulletin. UNKNOWN OR OTHER. This preliminary information communicates to dealership technicians various radio concerns are all related to software and Engineering is currently working on a design improvement.
PIT63782025-05-20. Service bulletin. UNKNOWN OR OTHER. This Preliminary Information communicates to dealership technicians to not replace any parts at this time for the error 302. They can communicate to the customer for the work around at this time.
PIT6215B2025-05-19. Service bulletin. UNKNOWN OR OTHER. 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.
PIT6018J2025-05-19. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates the possibility of a resetting of some information modules prior to delivery.
PIP6043A2025-05-19. Service bulletin. UNKNOWN OR OTHER. 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.
PIC6583D2025-05-19. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates how to move U018B from Current to History.
N232427510-022025-05-15. Service campaign. UNKNOWN OR OTHER. Certain 2018-2024 model year vehicles are receiving a software enhancement for SuperCruise. Dealers will update the Engine Control Module, Powertrain Control Module, Hybrid Powertrain Control Module 2 (HPCM2) or Drive Motor Control Module.
23-NA-2222025-05-07. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM. This service bulletin provides repair information to correct a customer concern of Radio Software issues and provide software (Version W26E-172.4.2-M169-SQBR4-123.4) Updates for IVD.
23-NA-1602025-05-07. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. This service bulletin provides repair information to correct a customer concern of IVD Radio Software issues.
23-NA-1512025-05-06. Service bulletin. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This service bulletin and criteria within are to determine the internal state of the High Voltage Battery and core return shipping method.
07-00-89-037W2025-05-05. Service bulletin. UNKNOWN OR OTHER. This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
PIC6565A2025-05-05. Service bulletin. UNKNOWN OR OTHER. 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.
PIP6021A2025-05-05. Service bulletin. UNKNOWN OR OTHER. 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. This applies when ALL of the following DTCs are set as current or history: P2C8A, P2C8B, U3577, U3578, U3579, U357A, U357B, U357C, U357D, U357E, U357F, U3580, and U35AF.
25-NA-0872025-05-02. Service bulletin. ELECTRICAL 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.
N232427510-012025-05-01. Service campaign. UNKNOWN OR OTHER. Certain 2018-2024 model year vehicles are receiving a software enhancement for SuperCruise. Dealers will update the Engine Control Module, Powertrain Control Module, Hybrid Powertrain Control Module 2 (HPCM2) or Drive Motor Control Module.
N2324275102025-04-29. Service campaign. UNKNOWN OR OTHER. Certain 2018-2024 model year vehicles are receiving a software enhancement for SuperCruise. Dealers will update the Engine Control Module, Hybrid Powertrain Control Module 2 (HPCM2) or Drive Motor Control Module.
PIT6248A2025-04-29. Service bulletin. UNKNOWN OR OTHER. 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.
PIT6317B2025-04-29. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates if a customer and service tech encounter a gear display after a radio update, to replace the A11 radio for this concern.
PIT6335A2025-04-28. Service bulletin. UNKNOWN OR OTHER. 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.
PIT6151B2025-04-28. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to the technician that GM is aware of this concern and to update the Google maps application through the playstore.
PIT6105D2025-04-28. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealership technicians that they will need to perform this step prior to performing any programming on replacement radios.
PIT6098C2025-04-28. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to the technicians that GM is aware of this issue and are root causing the concern. Once a solution is available, the PI will be updated to reflect the new direction.
24-NA-1432025-04-28. Service bulletin. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This service bulletin provides information for dealers/technicians on Software Updates on Ultium Vehicles.
PIT6362A2025-04-28. Service bulletin. UNKNOWN OR OTHER. This preliminary information communicates to dealership technicians various radio concerns are all related to software and Engineering is currently working on a design improvement.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.