The contact owns a 2010 Ford Fusion Hybrid. The contact stated that upon coming to a complete stop, the brake pedal suddenly depressed all the way to the floorboard. The contact became aware that the brakes were no longer functioning properly. The vehicle returned to normal functionality, but the failure became a regular occurrence. The ABS and traction control warning lights were illuminated. The vehicle was not taken to the dealer or an independent mechanic. The vehicle was not repaired. After investigating the failure, the contact related the failure to NHTSA Campaign Number: 19V904000 (Service Brakes, Hydraulic). The manufacturer was notified of the failure, and a case was opened. The failure mileage was 100,000.