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
| 24-NA-259 | 2024-12-20. Service bulletin. UNKNOWN OR OTHER; VISIBILITY/WIPER. This service bulletin provides a service procedure to correct customer concerns of Air Conditioning (A/C) Not Working and/or Blows Warm Air. |
|---|---|
| PIT6265B | 2024-12-20. 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. |
| 22-NA-238 | 2024-12-19. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM. This service bulletin provides diagnostic/repair information to correct a customer concern of Cellphone not Charging or USB Receptacle Inoperative. |
| 24-NA-202 | 2024-12-19. Service bulletin. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This service bulletin provides dealers with Warranty Administration information on North American Charging Standard (NACS) DC Adapter Warranty Claim Information. |
| 23-NA-151 | 2024-12-18. Service bulletin. FUEL/PROPULSION 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. |
| 18-NA-180 | 2024-12-17. Service bulletin. FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information. |
| PIT5985G | 2024-12-17. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER; FUEL/PROPULSION 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. |
| PIT5832S | 2024-12-16. Service bulletin. ENGINE; UNKNOWN OR OTHER; ELECTRICAL SYSTEM. This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly. |
| 24-NA-143 | 2024-12-16. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM. This service bulletin provides information for dealers/technicians on Software Updates on Ultium Vehicles. |
| PIT6015C | 2024-12-16. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM. This Preliminary information communicates Diagnostic Tips When Having Difficulties Programming Or Adding Key Fobs / Transmitters. |
| PIT6299 | 2024-12-16. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. This Preliminary information communicates to the field on how to resolve a current issue on 2025 models that have a issue with learning new key fob transmitters to the vehicle. |
| PIT5962B | 2024-12-12. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses. |
| 21-NA-043 | 2024-12-10. Service bulletin. STRUCTURE:BODY; WHEELS; ENGINE; SERVICE BRAKES; UNKNOWN OR OTHER. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer. |
| PIC6587 | 2024-12-09. Service bulletin. UNKNOWN OR OTHER; LANE DEPARTURE: ASSIST; LANE DEPARTURE: WARNING. This Preliminary information communicates Thus the active safety systems maybe inoperable and to perform a module reset to correct. |
| PIC6552D | 2024-12-09. Service bulletin. LANE DEPARTURE: ASSIST; UNKNOWN OR OTHER; LANE DEPARTURE: WARNING. This Preliminary information communicates how to recover the Image Processing Module. |
| PIC6556F | 2024-12-05. 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. |
| PIT5985F | 2024-12-05. 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. |
| PIT5832R | 2024-12-05. 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. |
| PIC6583 | 2024-12-05. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates how to move U018B from Current to History. |
| PIT6068C | 2024-12-05. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates a vehicle may exhibit a service driver assist message. On inspection the tech will find B1A05 set in the Front View Camera Module (FVCM). The tech is directed to perform programming and learn on the FVCM. |
| PIT6265 | 2024-12-05. 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. |
| PIP6009A | 2024-12-05. 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. |
| PIC6580 | 2024-12-05. 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. |
| PIT6068B | 2024-12-05. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates a vehicle may exhibit a service driver assist message. On inspection the tech will find B1A05 set in the Front View Camera Module (FVCM). The tech is directed to perform programming on the FVCM. |
| PIC6578 | 2024-12-05. Service bulletin. STRUCTURE:BODY. This Preliminary information communicates procedure to relearn window motor when it reverses when expressing up. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.