Cadillac CT5 transmission problems
23 complaint narratives mention transmission terms.
Key facts
97 owner complaints analyzed
6 distinct recall campaigns
13,233 mi median reported failure mileage
Scope: 2020 to 2026 model years. Data snapshot: . 18 complaints include usable failure mileage.
Transmission and shifting evidence
23 of 97 complaints match this topic (23.7%). The keyword filter can include complaints that mention a transmission without reporting its failure. View matching rules.
Owner report 11654080 · 2025-04-11 (April 11, 2025)
Safety Concerns and Defects: I am reporting several safety-related defects in my 2020 Cadillac CT5, which have posed serious risks to me and my family: ⸻ 1. Transmission Pump Failure: •The transmission pump failed, causing loss of power and jerking while driving at highway speeds. This occurred on[XXX] in Georgia with my two small children in the car, putting us at high risk of a crash. •No warning lights appeared, and the failure was diagnosed by the dealer (Hennessey Cadillac). 2. EVAP System Failure (P0451): •A fuel tank pressure sensor …
Owner-reported narrative. Look up ODI 11654080 at NHTSA ↗
Owner report 11664417 · 2025-06-02 (June 2, 2025)
The contact's sister owns a 2020 Cadillac CT5. The contact stated that while his sister was driving at an undisclosed speed, the rear wheels locked up. The driver was able to pull over to the side of the road. The vehicle was towed to the dealer, where it was diagnosed and determined that the rear wheels had locked up, causing damages to the transmission. The dealer determined that the transmission needed to be replaced but at the vehicle owner's expense. The vehicle was not repaired. The contact became aware that the VIN was included in NHTSA …
Owner-reported narrative. Look up ODI 11664417 at NHTSA ↗
Owner report 11665068 · 2025-06-05 (June 5, 2025)
Regarding NHTSA Campaign ID 25V148, GM recall N242480630. The recall was for a potential transmission control valve issue where some vehicles may be susceptible to excess wear over time, resulting in gradual loss of pressure within the valve that can cause harsh shifting. With the recall we finally knew what was wrong with the vehicle. We have a defective transmission control valve. The transmission was replaced in 2022 and now needs to be replaced again. At the appointment for the recall we expressed that the transmission control valve has alr…
Owner-reported narrative. Look up ODI 11665068 at NHTSA ↗
Owner report 11671918 · 2025-07-08 (July 8, 2025)
The contact owns a 2020 Cadillac CT5. The contact stated that while driving at various speeds, the transmission was slipping while shifting gear. Additionally, the contact stated that there was a delay while shifting gear. The check engine warning light remained illuminated intermittently. The vehicle was taken to a local dealer where the vehicle was diagnosed, and the contact was advised that there was no failure found with the vehicle. The vehicle was not repaired. The manufacturer was notified of the failure. The approximate failure mileage …
Owner-reported narrative. 12,000 miles reported. Look up ODI 11671918 at NHTSA ↗
Owner report 11681128 · 2025-08-17 (August 17, 2025)
Major safety Concern Faulty valve body and transmission dealership failed to disclose. Service manager drove vehicle with bent wheels. That is how the bent wheels were discovered. Not from inspection. Wheels evidently bent under dealership possession. 2020 Cadillac CT5 Vehicle financed at 12K Miles with certified pre owned, bumper to bumper, and powertrain warranties in February 2024 showed poor driving, shifting, acceleration and abnormal behaviors such as slow and delayed shifting/acceleration, loud shifting, jerking, and strange noises from …
Owner-reported narrative. Look up ODI 11681128 at NHTSA ↗