TL* THE CONTACT OWNS A 2005 CHEVROLET IMPALA. WHILE DRIVING 30 MPH, THE VEHICLE STALLED WITHOUT WARNING AND CRASHED INTO A CEMENT BARRIER. THE VEHICLE WAS TOWED FROM THE SCENE TO A RESTAURANT PARKING LOT. A POLICE REPORT WAS NOT FILED AND THERE WERE NO INJURIES. THE CONTACT STATED THAT THE FAILURE RECURRED TWICE. THE VEHICLE WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER: 14V400000 (ELECTRICAL SYSTEM). THE VEHICLE WAS TAKEN TO THE DEALER, BUT WAS NOT DIAGNOSED NOR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 150,000.