2023 Cadillac LYRIQ Service and Repair Manual
2023 Cadillac LYRIQ service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.
Built for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and use wiring diagrams and system sections to diagnose problems faster.
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General Motors, LLC (GM) is recalling certain 2022 GMC Hummer EV and 2023 Cadillac Lyriq vehicles. Certain connections within the high-voltage battery pack may be out of position or incorrectly welde
A loss of drive power can increase the risk of a crash.
Dealers will inspect and, if necessary, replace the high-voltage battery pack, free of charge. Lett
General Motors, LLC (GM) is recalling certain 2023-2024 LYRIQ vehicles. The bracket that anchors the left-rear and center-rear seat belts may have been improperly welded to the seat frame.
An improperly welded seat belt bracket may not restrain an occupant as intended, increasing their ri
Owners are advised not to use the left-rear and center-rear seating positions until the recall repai
General Motors, LLC (GM) is recalling certain 2023 Cadillac LYRIQ vehicles. A software error in the driver video display control module may cause the instrument panel to go blank.
A blank instrument panel will not show critical information, such as vehicle speed and warning light
GM will update the video display control module software, free of charge. Owner notification letter
General Motors, LLC (GM) is recalling certain 2023 Cadillac LYRIQ vehicles. The body control module (BCM) may have been updated with incorrectly calibrated software and fail to make the pedestrian wa
Without external warning sounds, pedestrians may be unaware of an approaching vehicle, increasing th
Dealers will reprogram the BCM, free of charge. Owner notification letters were mailed November 14,
This Preliminary information communicates to dealers a procedure to reset the radio.
This PI states that if SDGM DTC P0604/P0607 is set and no other SDGM DTCs are present, clear DTCs and reset the SDGM. Advises of how to contact PQC to authorize SDGM replacement.
This Preliminary information communicates to dealers a procedure to reset the radio.
Pi created to provide GM dealers with information on gathering information for projection issue
This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
This Preliminary information communicates to GM technicians to not replace any parts at this time if they come across this concern to reset the radio at this time. The PI will be updated or replaced with TSB once a determination has been ma
This Preliminary information communicates a condition my exist causing a service theft alarm message.
This Preliminary information communicates to dealers a procedure to reset the radio.
Showing the 8 most recent of 776 technical service bulletins on file with NHTSA.
Driving on connecter road between 2 freeways at 35-40 mph because of traffic. Suddenly the car veers to left on its own and hits concrete lane guiding wall damaging the left front of the car. Next
Driving on connecter road between 2 freeways at 35-40 mph because of traffic. Suddenly the car veers to left on its own and hits concrete lane guiding wall damaging the left front of the car. Next
Driving on connecter road between 2 freeways at 35-40 mph because of traffic. Suddenly the car veers to left on its own and hits concrete lane guiding wall damaging the left front of the car. Next
Backing out of driveway and screen went black and a collision occurred a second or two later. We have had the Lyriq in the shop multiple times for glitchy screens and screen going black but never has
Backing out of driveway and screen went black and a collision occurred a second or two later. We have had the Lyriq in the shop multiple times for glitchy screens and screen going black but never has
Showing the 5 most serious of 38 complaints filed with NHTSA.
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