WHILE DRIVING AT APPROXIMATELY 65 MPH REAR BRAKES LOCKED, AND THE BRAKE LIGHT ON THE DASHBOARD ILLUMINATED AND BEGAN FLASHING. THE DRIVER HAD DIFFICULTY STEERING THE VEHICLE. IT WENT INTO A SPIN ,CAUSING THE REAR OF THE VEHICLE TO HIT THE CONCRETE DIVIDER. ALSO, THE STEERING COLUMN BROKE WHEN THE BRAKE MODULE BROKE. THE VEHICLE WAS TOWED TO THE DEALERSHIP. *AK THE ENGINEERS COULD NOT FIND A PROBLEM. *SC