2021 Ford Bronco Sport electrical system problems
209 owner complaints filed with NHTSA name the electrical system on the 2021 Ford Bronco Sport — 30% of all complaints for this model year.
What owners report
“On 9/15/26, while actively driving with my child, the monitor screen suddenly turned black and an error message of "Vehicle Network Communication Error", a few seconds later my dashboard turned black, no display messages, speed limit, or manual gauges were working and that too went blank; blinkers…”
filed Sep 16, 2026
“The vehicle's entire powertrain and transmission system failed completely. The vehicle will not turn on, will not start, and the electronic rotary gear shifter is physically locked out, refusing to shift into Park or Neutral. The transmission assembly component is currently available for physical…”
filed Sep 15, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- 12-volt battery may experience degradation and suddenly failCampaign 25V019000 · Jan 17, 2025
- Body and power train control modules may fail to detect a change in the 12-volt battery…Campaign 24V267000 · Apr 12, 2024
Related service bulletins
Some 2021-2024 Bronco Sport vehicles equipped with a 1.5L may exhibit a lack of air conditioning (A/C) cooling while at a stop and idling in ambient temperatures of 100°F (38°C) or higher. In addition, there are no…
SSM 55149 · Service Bulletin/Repair Instructions · issued Sep 4, 2026NEW VEHICLE DELIVERY HOLD - Emissions Recall 26E04 Certain 2021-2025 Model Year F-150, Maverick, Mustang, Ranger, Expedition, Bronco Sport, Explorer, Bronco, Navigator, and Aviator Vehicles Powertrain Control Module…
26E04 · Emissions · issued Jul 9, 2026
Electrical System problems in other Bronco Sport years
| Year | Reports | Share |
|---|---|---|
| 2025 Bronco Sport | 3 | 8% |
| 2024 Bronco Sport | 27 | 25% |
| 2023 Bronco Sport | 37 | 24% |
| 2022 Bronco Sport | 73 | 21% |
Other reported problem areas on the 2021 Ford Bronco Sport
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.