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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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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
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™
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.
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.
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.
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.
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.
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.
13-08-116-001I2023-07-13. Service bulletin. ELECTRICAL SYSTEM. The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
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.
22-NA-2422023-07-11. Service bulletin. ELECTRICAL SYSTEM. This warranty administration bulletin provides information for dealers/technicians on System Reset and Connector Reconnect Labor Code Numbers.
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.
N222392960-032023-06-30. 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
N222392960-022023-06-29. 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.
23-2412082023-06-28. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:SOFTWARE. (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 prevent unwanted power consumption while undergoing a vehicle software update •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-0962023-06-21. Service bulletin. ELECTRICAL SYSTEM. This service bulletin provides repair information to correct a customer concern of Service High Voltage System Lamp Illuminated with DTCs P0D08 and P0D0F Setting in Battery Energy Control Module.

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