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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: Backup camera are shown. Show all

Bulletins, newest first
N2324285402024-05-01. Service bulletin. BACK OVER PREVENTION:SOFTWARE. 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.
PIT6105B2024-04-15. Service bulletin. BACK OVER PREVENTION:DISPLAY FUNCTION; EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS. This Preliminary information communicates to dealership technicians that they will need to perform this step prior to performing any programming on replacement radios.
24-NA-0482024-03-19. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; BACK OVER PREVENTION; SERVICE BRAKES, HYDRAULIC. This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to the rear automatic braking may brake unwantedly, usually when reversing out of a garage or driveway.
PIT6044F2024-01-29. Service bulletin. BACK OVER PREVENTION:SOFTWARE; EQUIPMENT:ELECTRICAL. This Preliminary information communicates that a Software update is in the works and to disconnect the 12 volt battery to clear the codes.
PIT6044E2023-12-04. Service bulletin. BACK OVER PREVENTION:SOFTWARE; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This Preliminary information communicates that a Software update is in the works and to disconnect the 12 volt battery to clear the codes.
PIT6047B2023-09-18. Service bulletin. BACK OVER PREVENTION:SOFTWARE; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This Preliminary information communicates to dealership technicians to create a USB file that will have the radio ignore the BCM message for the 12v battery state of charge being to low that will cause the radio to not USB update.
PIT6044A2023-09-18. Service bulletin. BACK OVER PREVENTION:SOFTWARE. This Preliminary information communicates that a Software update is in the works and to disconnect the 12 volt battery to clear the codes.
PIT60442023-09-18. Service bulletin. BACK OVER PREVENTION:SOFTWARE. This Preliminary information communicates that a Software update is in the works and to disconnect the 12 volt battery to clear the codes.
PIC65152023-09-18. Service bulletin. BACK OVER PREVENTION:DISPLAY FUNCTION. This Preliminary information communicates that a service drivers assist message may be displayed with U197A found setting current or history.
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™
PIT5832H2023-06-13. 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.
PIC64982023-04-17. Service bulletin. BACK OVER PREVENTION. This consise summary was created to advise of engineering investigation to address Error 302 when accessing the Energy APP.
PIC64972023-04-17. Service bulletin. BACK OVER PREVENTION. This Preliminary information communicates that a click or tick noise may be heard when adjusting HVAC temperatures.
PIT5832G2023-04-17. Service bulletin. BACK OVER PREVENTION; ELECTRICAL SYSTEM:STARTER ASSEMBLY. This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.

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