2009 Ford F-150 electrical system problems

46 owner complaints filed with NHTSA name the electrical system on the 2009 Ford F-150 — 14% of all complaints for this model year.

Electrical System complaints

14%

share of all complaints

66,700 mi

median reported incident mileage

1 / 4

crash / fire reports

What owners report

“This vehicle has been a lemon ever since we purchased it new. To start the 3rd brake light would always leak during rain and ruined the headliner took it back to andy mohr ford were we purchased approx 25 times for this issue. Then we have had oil leaks about a year after purchase and it still…”
filed Jul 8, 2026
“AC electric wiring becomes hot and only blows at 1 speed, also with time has become corroded diplaying a live open wire under passanger area, seems it is the following Block Heater Cable Splice Connector May Corrode Prolonged corrosion of the connector may cause a resistive short, overheating or…”
filed Jul 18, 2023

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

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