TL* THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 10 MPH, THE CONTACT ABRUPTLY APPLIED THE BRAKES IN AN ATTEMPT TO AVOID CRASHING INTO A VEHICLE AHEAD OF HER YET THE BRAKES DID NOT RESPOND. INSTEAD, THE VEHICLE ABNORMALLY ACCELERATED AND THE CONTACT CRASHED INTO THE PRECEDING VEHICLE. THE VEHICLE WAS TAKEN TO THE DEALER WHOM PERFORMED A DIAGNOSED THAT WAS UNABLE TO LOCATE A FAILURE CODE. THE FAILURE MILEAGE WAS 5,800 AND THE CURRENT MILEAGE WAS 58,030.