The contact owns a 2020 Ford Explorer. The contact’s husband stated while driving 60 MPH, the brake pedal was depressed, and the vehicle failed to respond. The Forward Collision Avoidance Automatic Emergency Braking warning light illuminated. The vehicle was taken to an independent mechanic and was diagnosed with a possible sensor failure or transmission failure. The vehicle was not taken to the dealer. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 37,000.