The contact owns a 2016 Ford F-150. The contact stated that while driving 60 MPH, the accelerator pedal was depressed; however, the transmission unexpectedly downshifted to first gear. The contact stated that there was a ten-second delay prior to the transmission downshifting. The vehicle was uncontrollable, and the vehicle crashed into a ditch before coming to a stop. The contact stated that the failure had occurred while the contact's wife and two minor grandchildren were inside the vehicle. The contact stated that the failure had occurred after an unknown recall repair was performed. The dealer was contacted by phone and made aware of the failure. The vehicle was taken to the dealer; however, the failure was not duplicated. The manufacturer was contacted by phone, and a case was filed. The failure mileage was approximately 123,000.