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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.

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By component

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Only bulletins with component: Equipment and accessories are shown. Show all

Bulletins, newest first
22-NA-2152023-07-26. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This warranty administration bulletin provides policy information for chargers that are covered under the terms of a 3-year Limited Parts Warranty from the date of purchase.
21-NA-0262023-07-25. Service bulletin. EQUIPMENT. This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats warped or misshapen.
N23-2412082023-07-25. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:INFOTAINMENT. (There may be future updates under this same release number.) Your Cadillac LYRIQ keeps getting better. A vehicle software update is ready for you to install which includes the following: Refinements: •Updates made to the Super Cruise driver assistance technology to expedite all future updates and for a more seamless experience while operating. •A variety of other minor software updates to make your driving and in-vehicle experience better. 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.
23-NA-1252023-07-25. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This service bulletin provides information for dealers/technicians on Over the Air (OTA) and In Market Enhancement (IME) FAQs.
23-NA-1242023-07-25. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This service bulletin provides repair information to correct a customer concern of Dead battery Resulting from Communication Gateway Module Activity.
23-NA-0552023-07-25. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) – FAQs.
PIC6458B2023-07-17. Service bulletin. EQUIPMENT. This Preliminary information communicates that Parts that the ECS are on Restriction
PIP5859B2023-07-17. Service bulletin. EQUIPMENT:ELECTRICAL. This Preliminary information communicates that the High Voltage Battery pack is on TAC restriction where TAC will Authorize the full HV Battery pack Exchange with Engineering Review needed.
23-NA-1112023-07-14. Service bulletin. EQUIPMENT; VISIBILITY/WIPER. This technical bulletin provides a procedure to correct the condition of Poor Wipe Quality, Noise, Skipping, Chatter, and/or Scratched Glass Due to Driver Side Wiper.
23-NA-0642023-07-14. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. 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.
22-NA-0532023-07-14. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING; EXTERIOR LIGHTING. This service bulletin provides information for dealers/technicians on New Labor Operations for Limited Production Option (LPO) Calibrated Accessories.
PIE0752A2023-07-12. Service bulletin. ELECTRICAL SYSTEM; STEERING; EQUIPMENT. This engineering information (EI) closure ends the need for gathering further information from technicians in regard to the steering wheel button for the cruise control and/or radio control are not responding when pressed.
21-NA-0612023-07-11. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM. This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs.
16-NA-1582023-06-27. Service bulletin. EQUIPMENT. This service bulletin describes the U.S. Dealer Special Tool Loan Program process.
23-NA-1032023-06-21. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This service bulletin provides information on submitting quality Photos of Various Vehicle Concerns to the GM Technical Assistance Center (TAC).
22-NA-2352023-06-21. 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.
02-00-89-002V2023-06-19. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only).
PIC65072023-06-13. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT. This Preliminary information communicates to the technicians that if they have this customer concern with the SVS present due to the U164E setting in the BECM, engineering is aware and working on a solution.
PIC65062023-06-13. 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 disconnect the battery for 15 minutes and retest operation. This could also take a few battery disconnects for the radio to restore functionality. Once restored, technicians are to update the radio and retest.
PIC65032023-06-13. 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.
PIC6488B2023-06-13. 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.
PIE07532023-06-06. 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.
PIE07522023-06-06. 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-2442023-06-05. Service bulletin. EQUIPMENT. This service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
PIC65012023-05-15. Service bulletin. EQUIPMENT. This Preliminary information communicates Instructions to properly open the upper IP bin door and reset the Inertia Lock if needed.

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