TL*THE CONTACT OWNS A 2006 TOYOTA TACOMA. WHILE DRIVING 2 MPH THE VEHICLE ACCELERATED WITHOUT WARNING, WHICH CAUSED THE VEHICLE TO CRASH INTO A BUILDING. THE ROAD CONDITIONS WERE CLEAR. THE VEHICLE WAS TOWED TO THE DEALER. THE DEALER STATED THAT THEY WERE UNABLE TO DIAGNOSE THE FAILURE. THE FAILURE AND CURRENT MILEAGE WAS 5,500.