TL*THE CONTACT OWNS A 2006 TOYOTA TUNDRA. WHILE DRIVING 20 MPH, THE VEHICLE BEGAN TO SWAY. THE CONTACT APPLIED THE BRAKES, BUT THE VEHICLE WOULD NOT STOP. SHE DROVE OVER THE EMBANKMENT AND THE VEHICLE ROLLED TWENTY FEET DOWNHILL. THE VEHICLE OVERTURNED. A POLICE REPORT WAS FILED AND THE CONTACT WAS INJURED. THE FAILURE WAS POSSIBLY DUE TO IMPROPER FINISHING OF THE FRONT SUSPENSION LOWER BALL JOINT, ACCORDING TO NHTSA CAMPAIGN ID NUMBER 07V013000 (SUSPENSION:FRONT:CONTROL ARM:LOWER BALL JOINT). THE CURRENT AND FAILURE MILEAGES WERE 2,500.