2021 Ford F-150 Hybrid electrical system problems
40 owner complaints filed with NHTSA name the electrical system on the 2021 Ford F-150 Hybrid — 16% of all complaints for this model year.
What owners report
“The vehicle is currently at Kayser Automotive Group located at 2303 West Beltline Hwy Madison, WI 53713, their direct line is [XXX], since the diagnoses of the corrosion of the DCN. SYSTEMS & COMPONENTS THAT FAILED: A faulty or clogged engine bay drain plug failed to divert water, causing…”
filed Jul 27, 2026
“Good Afternoon. The Pro Power Onboard high-voltage electrical system has experienced a permanent malfunction, locking out with a "Ground Fault Detected" warning. The vehicle is a 2021 Ford F-150 Rocky Ridge conversion. This failure stems directly from a defective or incomplete execution of Safety…”
filed Jul 6, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Electrical System problems in other F-150 Hybrid years
| Year | Reports | Share |
|---|---|---|
| 2024 F-150 Hybrid | 12 | 40% |
| 2023 F-150 Hybrid | 37 | 40% |
| 2022 F-150 Hybrid | 60 | 29% |
Other reported problem areas on the 2021 Ford F-150 Hybrid
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.