2021 Ford F-250 SD electrical system problems

18 owner complaints filed with NHTSA name the electrical system on the 2021 Ford F-250 SD — 11% of all complaints for this model year.

Electrical System complaints

11%

share of all complaints

—

median reported incident mileage

1 / 0

crash / fire reports

What owners report

“I took a functional vehicle to Swant Graber Ford in Barron, WI in on [XXX] for Recall 24S78 and since then I have had numerous vehicle issues involving the PCM that they flashed. I have up to 16 different codes when the check engine light comes on including numerous communication U-codes indicating…”
filed Jul 1, 2026
“Front camera malfunctions and goes black and stops working. Ford refuses to acknowledge this issues and prevents forward collision alert system from working. The refuse to fix the issue or look into a recall.”
filed Feb 16, 2026

Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.

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