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
| PIT5832H | 2023-06-13. Service bulletin. BACK OVER PREVENTION. This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly. |
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| PIC6488B | 2023-06-13. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This Preliminary information communicates that Serial Data Authentication is required prior to programming a replacement Radio. |
| PIE0753 | 2023-06-06. Service bulletin. EQUIPMENT; 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. |
| PIE0752 | 2023-06-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY; STEERING. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to the steering wheel button for the cruise control and/or radio control are not responding when pressed. |
| 22-NA-244 | 2023-06-05. Service bulletin. EQUIPMENT. This service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period. |
| 12-03-10-001E | 2023-06-05. Service bulletin. WHEELS. This service bulletin provides information for dealers/technicians on Vibration Shortly After Tires are Mounted/Preventing Vibration from Wheel Slip (Tire Sliding on Wheel). |
| N222385700 | 2023-05-23. Service bulletin. ELECTRICAL SYSTEM. Service Update. Certain vehicles may have a condition where the main body wiring harness (MBWH) could be abraded by a mounting stud. Dealers will install a clip to the MBWH to prevent damage from the mounting stud. |
| N222382520 | 2023-05-18. Service bulletin. STEERING. Service Update - certain vehicles may experience a vibration in the steering wheel while turning. Dealers will inspect for proper clip orientation and if necessary, replace the intermediate shaft bolt. |
| PIC6501A | 2023-05-15. Service bulletin. SEAT BELTS. This Preliminary information communicates Instructions to properly open the upper IP bin door and reset the Inertia Lock if needed. |
| PIT5878D | 2023-05-15. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This Preliminary information communicates to the field engineering contacts to assist in the diagnosis of HVAC concerns on the new 2022-2024 HUMMER EV and the 2023 LYRIQ. |
| PIC6501 | 2023-05-15. Service bulletin. EQUIPMENT. This Preliminary information communicates Instructions to properly open the upper IP bin door and reset the Inertia Lock if needed. |
| PIC6489D | 2023-05-15. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This Preliminary information communicates to the technicians that if they have a Lyriq that comes in for this concern to Double USB Update the A11 radio receiver while GM is working on a solution. |
| PIC6500 | 2023-05-15. Service bulletin. VEHICLE SPEED CONTROL:CRUISE CONTROL. This Preliminary information communicates that a customer may see a Super Cruise Unavailable message with U053C setting and Engineering is working on a resolution. |
| N222390690 | 2023-05-11. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. Service Update. Certain vehicles may have a condition in which the high voltage harness contacts a sharp edge on the high voltage battery case. Dealers will install anti-abrasion tape and secure the high voltage harness. |
| 01-08-42-001P | 2023-05-09. Service bulletin. EXTERIOR LIGHTING. This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement Guidelines. |
| N222392961 | 2023-05-08. Service bulletin. ELECTRICAL SYSTEM. Customer Satisfaction Program - vehicles may have a condition where the Super Cruise and Surround Vision features are not activated. Dealers are to replace the image processing module. |
| 17-NA-170 | 2023-05-06. Service bulletin. WHEELS. This service bulletin provides information about the Hunter wheel Road Force balancers that should be utilized for all repairs requiring balance and Road Force measurement. |
| 11-00-89-005W | 2023-05-06. Service bulletin. UNKNOWN OR OTHER. This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only). |
| 22-NA-235 | 2023-05-06. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This service bulletin provides repair information to correct a customer concern of Wireless Charging Intermittent When Using iPhone and Samsung Phones at Offset Positions. |
| 12-03-10-001D | 2023-05-05. Service bulletin. WHEELS. This service bulletin provides information for dealers/technicians on Vibration Shortly After Tires are Mounted/Preventing Vibration from Wheel Slip (Tire Sliding on Wheel). |
| 04-00-89-015Z | 2023-05-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin provides information on Warranty Administration – Required Operating Procedures - 8 Points (U.S. Only). |
| PI0281J | 2023-05-04. Service bulletin. POWER TRAIN; STEERING; STRUCTURE; SUSPENSION; ENGINE AND ENGINE COOLING. This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers. |
| 23-NA-064 | 2023-05-03. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships. |
| 20-NA-132 | 2023-05-03. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements. |
| 11-00-89-005V | 2023-04-22. Service bulletin. UNKNOWN OR OTHER; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only). |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.