The contact owns a 2016 Ford F-150. The contact stated that while driving at 5 MPH, the contact approached a stop sign and depressed the brake pedal. However, the brake pedal was inoperable and the vehicle did not stop. Due to the brake pedal failure, the contact rear-ended the vehicle in front of him. No damage was done to either vehicle. The vehicle was not diagnosed or repaired by an independent mechanic or dealer. The manufacturer was made aware of the failure and advised the contact to contact NHTSA to report the failure. The failure mileage was approximately 104,000.