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Service bulletins for the 2025 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.

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

By type

By component

By trouble code

Bulletins, newest first
PIT5551R2025-04-15. Service bulletin. UNKNOWN OR OTHER. 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".
PIC6583C2025-04-15. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates how to move U018B from Current to History.
PIT6157C2025-04-15. Service bulletin. UNKNOWN OR OTHER. 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.
PIT5851F2025-04-07. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates an issues with the odometer being incorrect after a programming event and how the dealership can resolve the issue.
PIT63622025-04-07. 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.
PIT6352A2025-04-01. Service bulletin. UNKNOWN OR OTHER. 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.
PIP5981E2025-04-01. 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.
PIC6583B2025-04-01. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates how to move U018B from Current to History.
PIT63532025-04-01. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates Proper NACS charging adaptor usage.
N24-2482692025-03-29. Over-the-air update. UNKNOWN OR OTHER. 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 behavior when an update package is onboard the vehicle. Do not service your vehicle during installation.
N24-2482692025-03-29. Over-the-air update. UNKNOWN OR OTHER. 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 service your vehicle during installation.
25-NA-0492025-03-27. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. This informational bulletin provides information for dealers/technicians on Service High Voltage Message Setting DTC P0CCD.
N24-2482692025-03-27. Over-the-air update. UNKNOWN OR OTHER. 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.
N25-2494562025-03-27. Over-the-air update. UNKNOWN OR OTHER. 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.
N25-172AE2025-03-27. Over-the-air update. UNKNOWN OR OTHER. Great News! Your vehicle keeps getting better. This update contains a required software change to help improve the overall software update and diagnostics process. Be sure to install this update to be able to receive future software updates. Better Never Stops™ 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.
PIT63562025-03-26. 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.
PIT63522025-03-17. Service bulletin. UNKNOWN OR OTHER. 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.
PIT63512025-03-17. Service bulletin. UNKNOWN OR OTHER. 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.
24-NA-1432025-03-14. Service bulletin. FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. This service bulletin provides information for dealers/technicians on Software Updates on Ultium Vehicles.
22-NA-0832025-03-12. Service bulletin. FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. This service bulletin provides Requirements for Replacement of the Dual Mode Cord Set Under Warranty.
17-NA-0732025-03-12. Service bulletin. UNKNOWN OR OTHER. This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
05-03-07-009L2025-03-08. Service bulletin. SUSPENSION; WHEELS. This service bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles.
11-00-89-005Y2025-03-08. Service bulletin. UNKNOWN OR OTHER. This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
05-08-51-001L2025-03-08. Service bulletin. STRUCTURE:BODY. This informational bulletin provides a procedure on how to remove the paint stain that may present itself under the shipping film.
PIE0753H2025-03-07. Service bulletin. ELECTRICAL SYSTEM; FUEL/PROPULSION 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.

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