2015 Ford Flex power train problems

11 owner complaints filed with NHTSA name the power train on the 2015 Ford Flex — 11% of all complaints for this model year.

Power Train complaints

11%

share of all complaints

12,763 mi

median reported incident mileage

0 / 0

crash / fire reports

What owners report

“The contact owns a 2015 Ford Flex. The contact stated while driving at various speeds, the vehicle made abnormal grinding sounds. There was no warning light illuminated. The vehicle was taken to the dealer, where it was diagnosed but no issues were found. The dealer sprayed rust off the exhaust…”
filed May 2, 2023
“When vehicle in motion on major roadway, loss of power and goes into limp mode. Yellow wrench lights up. Vehicle does not respond to throttle. I have to shut off vehicle and turn it back on . There is no dtc code when checked. I was almost rear ended with my children in the vehicle at time of…”
filed Oct 19, 2020

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

During service and repair requiring removal and replacement of a crankshaft bolt and/or crankshaft damper, achieving proper torque of the crankshaft pulley bolt is critical. Incorrect torque may allow the bolt to loosen…
SSM 52314 · Service Bulletin/Repair Instructions · issued Mar 1, 2024
Some 2015-2016 vehicles equipped with 6F50/6F55 transmission and built on 2-Nov-2015 and through 1-Feb-2016 may exhibit no reverse, 3rd and 5th gear with diagnostic trouble codes (DTCs) P0715,P0717,P0756 and/or P2701…
SSM 50861 · Service Bulletin/Repair Instructions · issued Jun 16, 2022