2020 Cadillac CT5 power train problems
14 owner complaints filed with NHTSA name the power train on the 2020 Cadillac CT5 — 37% of all complaints for this model year.
What owners report
“Lockhart Cadillac Service Department committed warranty fraud by charging me on multiple occasions for repairs that should have been covered under GM/Cadillac 2025 Transmission Recall & Special Extended Warranties. The transmission has continued to deteriorate. I took the vehicle in on July 1, 2026…”
filed Jul 16, 2026
“While driving my 2020 Cadillac CT5 at highway speeds, the vehicle suffered a sudden and dangerous total loss of motive power. The transmission completely failed without warning, creating an immediate, severe safety hazard as I was forced to navigate across multiple active lanes of high-speed…”
filed May 26, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- Transmission may become damaged internally and cause the wheels to lock-upCampaign 25V148000 · Mar 6, 2025
Power Train problems in other CT5 years
| Year | Reports | Share |
|---|---|---|
| 2021 CT5 | 2 | 10% |
Other reported problem areas on the 2020 Cadillac CT5
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.