2020 Cadillac CT4 problems and complaints
Owners have filed 8 complaints with NHTSA about the 2020 Cadillac CT4. The most-reported areas: Engine (3), Service Brakes (2), Power Train (2).
Key takeaways
- 8 owner complaints on file with NHTSA.
- 0 involve a crash, 0 a fire, 0 reported injuries.
- Complaints are unverified owner reports; recalls are confirmed defects.
| Component | Complaints | Share |
|---|---|---|
| Engine | 3 | 38% |
| Service Brakes | 2 | 25% |
| Power Train | 2 | 25% |
| Fuel/Propulsion System | 1 | 13% |
| Unknown Or Other | 1 | 13% |
| Air Bags | 1 | 13% |
One complaint can name several components, so shares add up to more than 100%.
| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2020 Cadillac CT4 4 DR AWD | Not rated | Not rated | Not rated | Not rated |
| 2020 Cadillac CT4 4 DR RWD | Not rated | Not rated | Not rated | Not rated |
Latest complaints, as filed
Owner-written and unverified by NHTSA.
Service Brakes - filed 2026-08-26
Total brake system failure. Lost almost all brake function nearly causing an accident. June 17, 2026 car was taken to dealership. Electronic Brake Control Module (EBCM), Brake Master Cylinder, Brake Pedal Retainer replacement required. August 7, 2026 received a call from dealer stating that EBCM replacement was faulty ...
Engine - filed 2026-08-25
69,000 mile oil change I was told i needed to spend thousands of dollars on repairing an oil leak b/c my Cam carrier is leaking. Cadillac has a know issue with this repair and refuses to stand behind it's product. Numerous complaints already on forums and yet they charge thousands to fix. A top name brand that can't ...
Power Train - filed 2026-07-23
I had two incidents with the Cadillac CT-4 in February and then again in April of 2026 of driving on I-75 at a highway speed of about 70 MPH when the vehicle suddenly downshifted and the engine revving at at very high RPM. The vehicle slowed down suddenly and it felt for a moment that I could not control the speed. T...
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More for the 2020 Cadillac CT4
Complaints are reports filed by owners with the National Highway Traffic Safety Administration. NHTSA publishes them without verifying them, and counts rise with how many cars were sold, so compare years of the same model rather than different models. Crash ratings are NHTSA's own 5-Star Safety Ratings results.