Top score, low rating: Ford F-150 leads full-size truck reliability rankings with 43/100, the highest in its class despite being less than half the maximum score. Costly post-warranty issues: Owners ...

The National Highway Traffic Safety Administration has opened an investigation into certain Ford F-150 trucks over customer complaints of the trucks downshifting without warning while being driven.

Ford said the trucks have a transmission issue that may lead to an unexpected downshift into second gear, causing drivers to lose control of the car.

Ford’s recall of 1.4 million F-150s for a defect causing sudden downshifts has not ended reports of harsh shifting, shudder, and costly failures in its 10R80 transmissions. Technical service bulletins ...

Owners reported sudden deceleration, downshifting, and temporary rear wheel lockups in 2015-2017 models. The investigation by the National Highway Traffic Safety Administration could potentially lead ...