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Service bulletins for the 2023 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.

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

By type

By component

By trouble code

By topic

Bulletins, newest first
PIC6552D2024-12-09. Service bulletin. LANE DEPARTURE: ASSIST; UNKNOWN OR OTHER; LANE DEPARTURE: WARNING. This Preliminary information communicates how to recover the Image Processing Module.
PIT6098B2024-12-09. 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.
PIT6018H2024-12-05. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates the possibility of a resetting of some information modules prior to delivery.
PIC6556F2024-12-05. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to check the drivers monitoring camera for a B1DD0 SYM57 or B0126 SYM82 setting with no other DTCs.
PIT5985F2024-12-05. Service bulletin. ELECTRICAL 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.
PIT5832R2024-12-05. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
PIC65832024-12-05. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates how to move U018B from Current to History.
PIT62652024-12-05. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealership technicians that if they encounter a vehicle with this issue, they can contact TCSC to have the software for the MDI backdated to communicate properly.
PIT6236A2024-12-05. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates the 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.
PIP6009A2024-12-05. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates the request that engineering it looking to get data from these vehicles before any work is being performed.
PIC65802024-12-05. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates that a Service Theft Alarm message may display and to check the P18 Door Lock Status Indicator operation.
PIC65782024-12-05. Service bulletin. STRUCTURE:BODY. This Preliminary information communicates procedure to relearn window motor when it reverses when expressing up.
PIT6215A2024-12-05. Service bulletin. ELECTRICAL SYSTEM. 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.
PIT62482024-12-05. Service bulletin. ELECTRICAL SYSTEM. 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. This PI will be updated for the service fix once available.
PIT5551P2024-12-05. Service bulletin. FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING. 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".
PIP5981B2024-12-05. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates ordering process for the front and rear drive units are on restriction for all listed EV vehicles for engineering review.
PIT6112B2024-12-04. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates dignostics tips for P0534 codes on 2024 Blazer EV and 2023 and 2024 Lyriq as well as 2024 Equinox EV
PIT6112A2024-12-04. Service bulletin. FUEL/PROPULSION SYSTEM. This Preliminary information communicates dignostics tips for P0534 codes on 2024 Blazer EV and 2023 and 2024 Lyriq as well as 2024 Equinox EV
PIC65862024-12-04. Service bulletin. FUEL/PROPULSION SYSTEM. This Preliminary information communicates that the Charge Port Door auto close after unplugging the charger feature was turned off to prevent the dust cover breaking the charge port door.
PIT6265A2024-12-04. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealership technicians that if they encounter a vehicle with this communication issue, they can contact TCSC to have the software for the MDI backdated to communicate properly.
N2424521102024-12-04. Service campaign. STEERING. Service Update. On certain vehicles, while Super Cruise is engaged, DTC B19F2 (steering wheel touch sensor fault) could occur. Dealers will replace the steering wheel.
PIP60212024-12-04. Service bulletin. FUEL/PROPULSION SYSTEM. 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.
PIE0753E2024-12-04. Service bulletin. FUEL/PROPULSION SYSTEM; ELECTRICAL 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.
23-NA-2172024-12-04. Service bulletin. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This service bulletin provides information on Lithium-Ion Battery - TAC Approval and Exchange Program for Cadillac LYRIQ, Chevrolet Blazer EV, Equinox EV and Corvette E-Ray.
24-NA-1432024-11-21. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM. This service bulletin provides information for dealers/technicians on Software Updates on Ultium Vehicles.

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