TL* THE CONTACT OWNS A 2003 CADILLAC DEVILLE. THE CONTACT INDICATED THAT THE ABS SENSOR, BRAKE SENSOR AND TRACTION CONTROL SENSOR ILLUMINATED INTERMITTENTLY. THE CONTACT STATED THAT WHILE REVERSING OUT OF THE DRIVEWAY, THE BRAKES FAILED AND THE PEDAL SANK INTO THE FLOOR. THE CONTACT MENTIONED THAT THE VEHICLE ROLLED AWAY IN REVERSE AND CRASHED INTO A FENCE. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 51,000.