2020 Ford Mustang power train problems
25 owner complaints filed with NHTSA name the power train on the 2020 Ford Mustang — 21% of all complaints for this model year.
What owners report
“Ford has several technical service bulletins on their 10 speed transmission. I have 28,000 miles on my vehicle and need a new transmission. My service manager says that the earlier 10 speeds have issues with some components that are not strong enough, and that current transmissions have been…”
filed Sep 15, 2026
“2020 Ford Mustang with the 2.3L EcoBoost engine. The vehicle has a documented history of coolant loss with no visible external leak, consistent with the known coolant-intrusion defect in Ford's 2.3L EcoBoost engines where coolant leaks internally into the cylinders. The vehicle previously threw a…”
filed Aug 20, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- Powertrain Control Module (PCM) may broadcast an unintended faulted signal to the modules…Campaign 22V382000 · May 27, 2022
Power Train problems in other Mustang years
| Year | Reports | Share |
|---|---|---|
| 2024 Mustang | 7 | 9% |
| 2022 Mustang | 4 | 8% |
| 2021 Mustang | 9 | 16% |
| 2019 Mustang | 28 | 19% |
| 2018 Mustang | 45 | 24% |
| 2017 Mustang | 22 | 8% |
| 2016 Mustang | 29 | 8% |
| 2015 Mustang | 42 | 10% |
| 2014 Mustang | 30 | 8% |
| 2013 Mustang | 48 | 18% |
| 2012 Mustang | 177 | 38% |
| 2011 Mustang | 200 | 43% |
Other reported problem areas on the 2020 Ford Mustang
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.