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
| PIT6044G | 2024-03-18. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates that a Software update is in the works and to disconnect the 12 volt battery to clear the codes. |
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| PIC6498A | 2024-03-18. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This concise summary was created to advise of engineering investigation to address Error 302 when accessing the Energy APP. |
| PIT6065D | 2024-03-18. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates to technicians to perform the programming to the vehicles module to correct customer concerns. |
| PIC6483A | 2024-03-18. Service bulletin. ELECTRICAL SYSTEM; SERVICE BRAKES. This Preliminary information communicates that a loss of communication with the Brake System Control Module may occur and to contact GMTAC. |
| PIE0779A | 2024-03-15. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This engineering information (EI) provides special update instructions for A11 Radio. |
| 24-NA-040 | 2024-03-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This service bulletin provides information on All hazmat parts being returned to the Warranty Parts Center (WPC) must be shipped using Central Transport. Hazardous materials should never be sent by air transportation to the WPC. |
| 22-NA-083 | 2024-03-15. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This service bulletin provides Requirements for Replacement of the Dual Mode Cord Set Under Warranty. |
| N232428540 | 2024-03-14. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM. Customer Satisfaction Program: Certain vehicles may require software updates that improve the customer experience and optimize future over-the-air updates. Dealers will perform a comprehensive software update. |
| 17-NA-073 | 2024-03-07. Service bulletin. UNKNOWN OR OTHER. This warranty administration bulletin provides information regarding the field action courtesy transportation policy. |
| PIE0769C | 2024-03-06. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY:POWER WINDOW DEVICES AND CONTROLS. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard the door windows will not roll all the way up. |
| 24-NA-038 | 2024-03-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This service bulletin provides Radio Software update Version W27E-172.5.1-M169-SQBR4-126.3 repair information to correct customer concerns of radio software issues. |
| PIE0779 | 2024-02-29. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This engineering information (EI) provides special update instructions for A11 Radio. |
| 22-NA-114 | 2024-02-29. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This service bulletin provides information on Forklift and Vehicle Hoist Requirements to Support Electric Vehicle (EV) High Voltage Battery Handling. |
| PIE0778 | 2024-02-28. Service bulletin. STEERING; ELECTRICAL SYSTEM. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to steering loss of assist while driving. |
| 23-NA-217 | 2024-02-27. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This service bulletin provides information on Lithium-Ion Battery - TAC Approval and Exchange Program for Cadillac Lyriq, Chevrolet Blazer EV, and Chevrolet Corvette E-Ray. |
| 20-NA-018 | 2024-02-23. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This service bulletin provides information for dealers/technicians on MDI 2 Required When Programming Vehicles with Vehicle Intelligence Platform (VIP). |
| 18-NA-180 | 2024-02-23. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information. |
| 18-NA-180 | 2024-02-17. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information. |
| 23-NA-189 | 2024-02-14. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This service bulletin assists technicians in setting up PicoScope hardware/software to monitor CAN bus traffic (voltage patterns) to aid Technical Assistance (TAC) and Field Service Engineers (FSEs) in diagnosing electrical issues present on network communication circuits. |
| 23-NA-055 | 2024-02-14. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) – FAQs. |
| 22-NA-114 | 2024-02-14. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This service bulletin provides information on Forklift and Vehicle Hoist Requirements to Support Electric Vehicle (EV) High Voltage Battery Handling. |
| PIE0753C | 2024-02-14. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. 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. |
| PIE0769B | 2024-02-14. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard the door windows will not roll all the way up. |
| PI0281K | 2024-02-14. Service bulletin. STRUCTURE. This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers. |
| PIT6097C | 2024-02-12. Service bulletin. EQUIPMENT:ELECTRICAL. This Preliminary information communicates an issue where the vehicles wireless charger no longer works with certain ISO updates on Apple 15 phones and advises customer to update their phone to the lastest ISO update. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.