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What 9 owners told NHTSA about the 2011 Ford F-450

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (9)Crash / fire / injury (2)Engine (3)Steering (2)Electrical system (1)Engine & cooling (1)Fuel system (1)Transmission & drivetrain (1)Wheels (1)

1 of 9 complaints match · Electrical system · clear filters

Jun 16, 2017Electrical system

I HAVE RUNNING LIGHTS BUT NO TURN SIGNALS, BRAKE, OR FOUR WAY/EMERGENCY LIGHTS ON MY FIFTH WHEEL WHEN TOWING. THIS IS AT ANY TIME HOOKED UP TO THE TRUCK. OTHERWISE ON THE TRUCK ITSELF ALL LIGHTS WORK PROPERLY.

NHTSA ODI 10995445

Working with the data? Download all 9 complaints as CSV · fetched from NHTSA July 19, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2011 Ford F-450 verdict →