The contact owns a 2018 Ford F-150. The contact stated while driving 70 MPH, the brake pedal was depressed, and the vehicle failed to respond as needed. Additionally, the contact stated that the transmission failed to shift properly, and the vehicle stalled. The contact was able to coast to the side of the road. No warning lights were illuminated. The vehicle was towed to a dealer where it was diagnosed that the CDF drum had failed. The dealer determined that the transmission needed to be replaced. The vehicle was not repaired. The manufacturer was made aware of the failure and referred the contact to the NHSTA Hotline for assistance. The vehicle remained with the dealer and had not been driven since the failure. The failure mileage was approximately 70,300.