2017 Ford Mustang electrical system problems
34 owner complaints filed with NHTSA name the electrical system on the 2017 Ford Mustang — 13% of all complaints for this model year.
What owners report
“Was driving, all the sudden I heard a pop and a little bit of smoke and the smell of burning plastic came from under passenger seat. Pulled over, noticed it was coming from electrical harness under seat that controls the heated and cooled seats. Disconnected plug and saw that it had burnt out &…”
filed Jul 24, 2026
“The contact owns a 2017 Ford Mustang. The contact stated that while driving at an undisclosed speed, the contact noticed smoke on the interior of the vehicle. The contact stated that the smoke became heavy on the interior of the vehicle. The contact stopped the vehicle and became aware that the…”
filed Jul 22, 2026
“Horn when first pushed does not work....Push it 3-4 times rapidly and it works fine...Intermittent....Yesterday a kid not paying attn pulled out in front of me on a bicycle....I hit the horn, horn did not work, came sooooo close to hitting him......With a horn operating properly it would not have been as nearly deadly…”
filed Jul 15, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Customer Satisfaction Program 25N15 - Supplement #1 Certain 2015-2019 Model Year Multiple Vehicle Lines Rear View Camera Inspection For One-Time Replacement
25N15 S1 · Other · issued Apr 20, 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, 2026This article supersedes TSB 24-2165 to update the TSB Service Procedure. Some vehicles listed in the Model statement above may exhibit various SYNC performance related concerns including but not limited to: Display…
TSB 25-2570 · Service Bulletin/Repair Instructions · issued Nov 26, 2025Some 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 | 32 | 44% |
| 2022 Mustang | 7 | 14% |
| 2021 Mustang | 6 | 11% |
| 2020 Mustang | 24 | 21% |
| 2019 Mustang | 31 | 22% |
| 2018 Mustang | 30 | 16% |
| 2016 Mustang | 71 | 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 2017 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.