2020 Ford Mustang electrical system problems
25 owner complaints filed with NHTSA name the electrical system on the 2020 Ford Mustang — 21% of all complaints for this model year.
What owners report
“I suspect an electrical problem/short is causing my passenger side window to open and close about half an inch uncontrollably. This has been a minor inconvenience but last time it happened, it triggered the passenger door to open when driving. I had to pull over to manually secure the door. Very…”
filed Aug 10, 2026
“The contact owns a 2020 Ford Mustang. The contact stated while the vehicle was parked, the contact noticed smoke coming from underneath the hood. The vehicle was unoccupied. The contact inspected the vehicle. The contact stated that the fire was about three inches from the back of the engine, close…”
filed Jul 8, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- Brake fluid level sensor may not activate the visual warning indicator when the brake…Campaign 23V727000 · Oct 27, 2023
- "Transmission Not In Park" warning message and associated chime duration are shorter than…Campaign 20V263000 · May 8, 2020
Related service bulletins
Harvest Program 25H05 – Supplement #1 Certain 2011-2021 Model Year Vehicles Software Verification Harvest Program
25H05 S1 · Other · issued Apr 29, 2026Various 2020-2026 Ford and Lincoln vehicles equipped with blind spot information system (BLIS) may experience an inoperative blind spot monitoring with a "Blind Spot System Fault" message displayed in the instrument…
SSM 54720 · Service Bulletin/Repair Instructions · issued Apr 2, 2026Ford and Lincoln vehicles equipped with wired keyless entry keypad systems and accessory wireless keyless entry keypad systems may or may not come with a wallet card containing the master code. Unlike the integrated…
SSM 54601 · Service Bulletin/Repair Instructions · issued Feb 24, 2026Some 2019-2024 Ford and Lincoln vehicles equipped with SYNC3 may experience various connectivity concerns with The Ford App Lincoln App including but not limited to: missing activation prompt pop-upon the vehicle's…
SSM 54589 · Other · issued Feb 17, 2026Some 2015-2021 Ford and Lincoln vehicles may exhibit an illuminated MIL with diagnostic trouble codes (DTCs) P0011, P0012, P0014, P0015, P0016, P0017, P0018, P0019, P0021, P0022, P0024 and/or P0025. Pinpoint test HK in…
SSM 54366 · Service Bulletin/Repair Instructions · issued Nov 12, 2025
Electrical System problems in other Mustang years
| Year | Reports | Share |
|---|---|---|
| 2024 Mustang | 34 | 44% |
| 2022 Mustang | 7 | 14% |
| 2021 Mustang | 6 | 11% |
| 2019 Mustang | 32 | 22% |
| 2018 Mustang | 30 | 16% |
| 2017 Mustang | 34 | 13% |
| 2016 Mustang | 72 | 19% |
| 2015 Mustang | 66 | 15% |
| 2014 Mustang | 11 | 3% |
| 2013 Mustang | 18 | 7% |
| 2012 Mustang | 21 | 4% |
| 2011 Mustang | 24 | 5% |
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.