The contact owns a 2020 Ford Expedition. The contact stated while driving 65 MPH and depressing the accelerator pedal, the vehicle turned off and downshifted independently. The vehicle was not diagnosed by a dealer or independent mechanic. The vehicle was not repaired. The contact stated that the vehicle had experienced the failure listed in NHTSA Campaign Number: 20V197000 (Power Train); however, the VIN was not included. The manufacturer was notified of the failure but offered no assistance. The contact was referred to the NHTSA Hotline for assistance. The failure mileage was 88,000.