2015 Ford F-150 power train problems

404 owner complaints filed with NHTSA name the power train on the 2015 Ford F-150 — 24% of all complaints for this model year.

404

Power Train complaints

24%

share of all complaints

86,500 mi

median reported incident mileage

10 / 1

crash / fire reports

What owners report

“The contact owns a 2015 Ford F-150. The contact stated that while driving 75 MPH and towing a trailer, the vehicle unexpectedly downshifted into second gear, causing the trailer to strike the rear end of the vehicle. The contact stated that the failure had occurred on several occasions, causing the…”
filed Sep 16, 2026
“While driving on the [XXX], close to [XXX], throttle response was lost on the vehicle. Immediately put the hazards on, turned them off momentarily to indicate a turn off to the shoulder, traffic was right behind me, with some fast movers. “Hill start assist not available” was displayed on the main…”
filed Sep 13, 2026

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

Customer Satisfaction Program 26N04 Certain 2015-2017 Model Year F-150 Vehicles Equipped with a 6R80 Transmission Transmission Molded Leadframe Replacement
26N04 · Other · issued Jul 9, 2026
Some 2015-2021 Ford and Lincoln vehicles may exhibit an illuminated MIL with diagnostic trouble codes (DTCs) P0011, P0012, P0014, P0015, P0016, P0017, P0018, P0019, P0021, P0022, P0024 and/or P0025. Pinpoint test HK in…
SSM 54366 · Service Bulletin/Repair Instructions · issued Nov 12, 2025