NHTSA Complaint #11437160 — 2013 FORD F-150

The contact owns a 2013 Ford F-150. The contact stated while driving at an undisclosed speed, the vehicle inadvertently downshifted without warning. The contact pulled over to the side of the road and restarted the vehicle and drove to his residence. The failure reoccurred several days later. The contact took the vehicle to an independent mechanic who diagnosed the failure with a defective output shaft speed sensor that needed to be replaced. The vehicle was not repaired. The manufacturer was not made aware of the failure. The mileage was unknown.