TL* THE CONTACT OWNS A 2005 CHEVROLET IMPALA. THE CONTACT STATED THAT THE VEHICLE JERKED WHILE TURNING. THE CONTACT THEN LOST CONTROL OF THE STEERING AND COULD NOT CONTROL THE VEHICLE. AS A RESULT, THE CONTACT CRASHED INTO A MEDIAN. NO ONE WAS INJURED. THE VEHICLE WAS TAKEN TO A DEALER FOR A DIAGNOSIS. THE DEALER COULD NOT DIAGNOSE THE FAILURE. THE MANUFACTURER WAS NOT CONTACTED. THE FAILURE AND CURRENT MILEAGES WERE 70,000. THE VIN WAS NOT AVAILABLE.