2018 Ford F-350 SD electrical system problems

12 owner complaints filed with NHTSA name the electrical system on the 2018 Ford F-350 SD — 6% of all complaints for this model year.

Electrical System complaints

share of all complaints

—

median reported incident mileage

0 / 1

crash / fire reports

What owners report

“Truck went into limp mode wile driving on highway had to have trailer towed 980 miles egr cooler rubbing on wire harness on firewall staffing wires ro short out fuel injection this is a manufacturer defect.why would egr cooler and electrical wire harness be placed so close is a big safety and fire…”
filed Jul 14, 2025
“Unknown component that failed. Suspicion, the fuel system located at the back of the fire wall on drivers side. The fire started in that location and was extremely hot and fast moving. The truck was fully engulfed within 1.5 minutes then burnt the attached 5th wheel trailer and contents. It was a…”
filed Feb 15, 2025

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

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