2003 GMC 2500HD DURMAX TRUCK. WHEN YOU APPLY BRAKES HARD THE STEERING LOCKS UP AND YOU CAN'T TURN. GM SAYS THIS IS STANDARD OPERATING FOR THIS TRUCK. THIS TRUCK HAS ABS. ABS GIVES YOU THE ABILITY TO STEER WHILE BREAKING. THIS IS HARD TO DO WHEN STEERING LOCKS UP. GM HAS SAID THERE IS NO PROBLEM. THERE ARE 3 OTHER TRUCKS ALL GMC OR CHEVY IN MY TOWN WITH THE SAME PROBLEM. ALL OF US HAVE GOTTEN THE SAME RESPONCE FROM GM. CALL BBB DONT CALL US.*AK