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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.

By type

By component

By trouble code

By topic

Bulletins, newest first
09-00-89-016H2023-09-13. Service bulletin. EQUIPMENT. This Warranty Administration bulletin provides information on the proper use of the labor operation 0600014.
23-NA-1242023-09-12. 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.
N23-2404302023-09-08. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM. '(There may be future updates under this same release number.) Your Cadillac LYRIQ keeps getting better. This vehicle software update includes the following: Refinements: •Updates made to the rear camera functionality to help improve accuracy and functionality. •A variety of other minor software updates to help make your driving and in-vehicle experience better. Better Never Stops™
N23-2417652023-09-08. Service bulletin. BACK OVER PREVENTION:SOFTWARE; ELECTRICAL SYSTEM:ADAS:AUTONOMOUS/SELF DRIVING:SOFTWARE; UNKNOWN OR OTHER. '(There may be future updates under this same release number.) Your Cadillac LYRIQ keeps getting better. This vehicle software update includes the following: Refinements: •Updates made to the HVAC functionality to help improve air conditioning performance in warmer weather conditions. •Updates made to the electric vehicle charging functionality to help provide a quicker charging experience. •Updates made to the Long Range Radar functionality to help improve the driving experience in wet conditions. •A variety of other minor software updates to help make your driving and in-vehicle experience better. Better Never Stops™
15-00-89-004F2023-09-08. Service bulletin. STEERING; SUSPENSION; ENGINE AND ENGINE COOLING; POWER TRAIN. This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.
01-00-89-010R2023-08-28. Service bulletin. EQUIPMENT. This service bulletin provides information on a guide to help reduce repeat visits for the same customer concern.
N2324096802023-08-28. Service bulletin. FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY; UNKNOWN OR OTHER; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Service Update. Certain vehicles may have a condition in which the charge port door could be damaged from manual operation. Dealers are to replace the Charge Port Housing.
N222392960-042023-08-24. Service bulletin. ELECTRICAL SYSTEM. Customer Satisfaction Program - certain vehicles may have a condition where the Super Cruise and Surround Vision features are not activated. Dealers are to reprogram the image processing module and if necessary, reprogram the short range radar sensors.
N2324095502023-08-22. Service bulletin. EQUIPMENT; EQUIPMENT:OTHER:LABELS. Customer Satisfaction Program - Certain vehicles may have an incorrect refrigerant label. Dealers are to replace the refrigerant label.
PIC6491A2023-08-21. Service bulletin. LATCHES/LOCKS/LINKAGES. This Preliminary information communicates That a service door latch system message maybe displayed with no related DTC's.
PIC65112023-08-21. Service bulletin. ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SENSORS; STRUCTURE. This Preliminary information communicates that a front license plate frame may cause interference with the park assist sensors.
PIT5878E2023-08-21. 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 2023-2024 LYRIQ.
N2324169802023-08-15. Service bulletin. ELECTRICAL SYSTEM. Customer Satisfaction Program - certain 2023 and 2024 model year vehicles, may have a condition where the 12 volt battery has almost discharged or is at an increased risk of accelerated discharge. Dealers are to disconnect, then reconnect the 12 volt battery and reprogram the serial data gateway module.
22-NA-1142023-08-03. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This service bulletin provides information on Forklift and Vehicle Hoist Requirements to Support Electric Vehicle (EV) High Voltage Battery Handling.
99-09-40-005I2023-07-28. Service bulletin. SEAT BELTS. This service bulletin provides information on availability for a seat belt extender.
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.
N23-2412082023-07-25. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:SOFTWARE. (There may be future updates under this same release number.) Your Cadillac LYRIQ keeps getting better. This software update includes the following if your vehicle is equipped: Refinements: Updates made to the Super Cruise driver assistance technology and the Adaptive Cruise Control functionality for improved performance and a smoother driving experience. Updates to vehicle charging software. Updates made to improve the One Pedal Drive functionality. Updates made to help improve the speed limiting functionality. Updates made to the overall vehicle software update process. Updates made to the front and rear headlamp functionality. A variety of other minor software updates to make your driving and in-vehicle experience better. Better Never Stops™
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-1202023-07-25. Service bulletin. ELECTRICAL SYSTEM; STEERING. This service bulletin provides a procedure to correct a condition of Lower Steering Wheel Controls Inoperative, DTC B1A37.
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.

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