Cadillac Lyriq: problems, complaints, bulletins
Summary for the Cadillac Lyriq across 5 model years: 157 owner complaints and 948 NHTSA service bulletins, plus repair videos. Pick a year for details.
Model years
What fails most often
- 1 Electrical system 32% of all complaints
- 2 Forward collision avoidance 29% of all complaints
- 3 Service brakes 21% of all complaints
- 4 Exterior lighting 18% of all complaints
- 5 Backover prevention 13% of all complaints
- 6 Vehicle speed control 7% of all complaints
- 7 Powertrain 6% of all complaints
- 8 Fuel/propulsion system 5% of all complaints
- Electrical system: 50 complaints (32% of all), 3 of them with a crash reported by the owner; manufacturer bulletins for this component: 540.
- Forward collision avoidance: 46 complaints (29% of all), 11 of them with a crash reported by the owner; manufacturer bulletins for this component: 13.
- Service brakes: 33 complaints (21% of all), 12 of them with a crash reported by the owner; manufacturer bulletins for this component: 29.
- Exterior lighting: 29 complaints (18% of all); manufacturer bulletins for this component: 17.
- Backover prevention: 21 complaints (13% of all), 4 of them with a crash reported by the owner; manufacturer bulletins for this component: 16.
Engines and transmissions
US-market versions per EPA. On the right: how many NHTSA complaints name this engine or transmission type.
- electric 2023–2027
- automatic, 1-speed 2023–2027
Drive: RWD, AWD
Symptoms owners describe
How many of the 157 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Electrical system | 50 | 3 | 540 |
| Forward collision avoidance | 46 | 11 | 13 |
| Service brakes | 33 | 12 | 29 |
| Exterior lighting | 29 | 0 | 17 |
| Backover prevention | 21 | 4 | 16 |
| Vehicle speed control | 11 | 3 | 8 |
| Powertrain | 10 | 2 | 39 |
| Fuel/propulsion system | 8 | 0 | 161 |
| Steering | 7 | 2 | 26 |
| Air bags | 5 | 5 | 0 |
| Visibility | 4 | 0 | 39 |
| Engine | 3 | 0 | 26 |
| Structure | 2 | 0 | 70 |
| Parking brake | 2 | 0 | 0 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
There were no warning lights or dashboard indicators prior to the collision suggesting any system malfunction. During the collision, the front airbags did not deploy despite multiple significant impacts.
The car surged forward into some small bushes and a small causing damage to the front bumper, grill cover, and several other pieces. No one was hurt, but the risk is obvious.
I put the car in reverse and released the parking brake. The car started to move backwards. However, the back passenger door was wide open, and the passenger was standing outside the car in the path of the open door. The door hit a guide wire running from the top of a power pole to the sidewalk beside the car.
This all happened within a few seconds and there were no warning lights or messages before or during the accident. I was not injured and there were no other people present. The police were called and inspected the damages. The insurance company was contacted due to damages. No one was in the parking lot at the time.
However, when brake pressure was increased to its peak at -0.5s, deceleration effectively stalled. Electronic Anomaly: The Traction Control System (TCS) was reported as "Active" throughout the braking event, indicating potential improper electronic intervention.
I was in a public parking lot and slowly approached a parking space in front of a store. When I applied the brakes to stop in the space, the car did not respond, it continued to drive forward, up the curb, crashed through the store front, and eventually came to rest mid-way in the store, amidst the furniture and store…
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
What to check before buying
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Forward collision avoidance. Radar and camera: calibration after bumper or windshield replacement.
- Service brakes. Pedal feel, ABS operation, leaks, discs and hoses.
- Exterior lighting. Headlamps, leveling, sensors and mounts after a frontal hit.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- This PI communicates the possibility of a B1599 and/or B0126 setting and directs to contact TCSC
- This preliminary information is for technicians that may see DTCs that are history and should not perform…
- This Preliminary information communicates to dealers a procedure to reset the radio
- This Preliminary information communicates an issue with the virtual garage door opener not programming to…
- • Digital key will be available in the myCadillac mobile app a few minutes after the update completes
- • Improved reliability of connected services, including OnStar, Wi-Fi hotspot, and navigation • Enhanced…
- This PI provides Diagnostics tips on how the LIN bus works and how to diagnosis it
- This PI communicates the possibility of a B1599 setting and directs to contact TCSC
- If a vehicle has an issue with super cruise inoperative tech is directed to follow a diagnostic path…
- This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a…
- This preliminary information is to inform technicians and customers that GM is aware of the issue and the…
- This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance
Repair videos
We do not copy videos: these are YouTube links credited to their authors. Amounts are as stated by the author and not verified by us.
Other models of this make
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-04.