The contact owns a 2010 Ford Fusion Hybrid. The contact stated that while driving 15 MPH and depressing the brake pedal, the brake pedal went to the floorboard. The contact stated that the brake system, ABS, and traction control warning lights were illuminated. Additionally, the message ‘Brake System Failure’ was displayed. The contact drove with caution to the residence, and then had the vehicle towed to an independent mechanic to be diagnosed. The contact was informed that further diagnostic testing was needed to determine the cause of the failure. The vehicle was not repaired. The contact referenced NHTSA Campaign Number: 19V904000 (SERVICE BRAKES, HYDRAULIC) as a possible cause for the failure. The manufacturer was notified of the failure. The approximate failure mileage was 162,000.