The contact owns a 2013 Ford Edge. The contact stated that the brake pedal was depressed and went to the floorboard. There was no warning light illuminated. The vehicle was initially taken to a dealer where the hydro booster was replaced; however, the failure returned immediately after repair. The vehicle was then repaired with a different hydro booster by the same dealer; however, the failure persisted. The vehicle was taken back to the dealer and the contact was informed that both the HCU (Hydraulic Control Unit) and brake master cylinder needed to be replaced. The vehicle was taken to an independent mechanic where the HCU and brake master cylinder were replaced; however, the failure persisted. The vehicle was taken back to the independent mechanic however, the cause of the failure was undetermined. The vehicle was not repaired. The manufacturer was notified of the failure and the contact was informed that there were no recalls on the VIN for the failure. The contact was provided a case number. The failure mileage was 129,211.