2014 Ford Mustang power train problems
30 owner complaints filed with NHTSA name the power train on the 2014 Ford Mustang — 8% of all complaints for this model year.
What owners report
“The contact owns a 2014 Ford Mustang. The contact stated that on several occasions while driving at various speeds, the transmission unexpectedly downshifted to a low gear. The check engine warning light illuminated and remained illuminated after the first failure. The vehicle was pulled over to…”
filed Aug 3, 2026
“The contact owns a 2014 Ford Mustang. The contact stated while driving at 65 MPH, the transmission unexpectedly downshifted to first gear. The check engine warning light illuminated, and the instrument cluster was red. The vehicle was taken to an independent mechanic where it was diagnosed with a…”
filed Mar 13, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Power Train problems in other Mustang years
| Year | Reports | Share |
|---|---|---|
| 2024 Mustang | 7 | 10% |
| 2022 Mustang | 4 | 8% |
| 2021 Mustang | 9 | 16% |
| 2020 Mustang | 23 | 20% |
| 2019 Mustang | 26 | 18% |
| 2018 Mustang | 45 | 24% |
| 2017 Mustang | 22 | 8% |
| 2016 Mustang | 29 | 8% |
| 2015 Mustang | 42 | 10% |
| 2013 Mustang | 48 | 18% |
| 2012 Mustang | 177 | 38% |
| 2011 Mustang | 200 | 43% |
Other reported problem areas on the 2014 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.