2011 CHEVROLET SILVERADO 2500 Electronic Stability Control Esc Problems

TL* THE CONTACT OWNS A 2011 CHEVROLET SILVERADO 2500. THE CONTACT STATED THAT THE ELECTRONIC STABILITY CONTROL INDICATOR ILLUMINATED. THE LOCAL DEALER AND MANUFACTURER WERE NOT CONTACTED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE FAILURE MILEAGE WAS 125,000.

RANDOMLY WHILE DRIVING, WARNING BELLS & LIGHTS FLASH, MESSAGE IN DIC STATE SERVICE STABILITRAK/TRACTION CONTROL. INSTRUMENT CLUSTER GOES DEAD, A/C QUITS COOLING & RADIO QUITS. IF THE VEHICLE IS IN MOTION IT WILL CONTINUE TO BE DRIVABLE. AS SOON AS YOU STOP OR ARE STOPPED WHEN IT OCCURS, THE TRANSMISSION STOPS WORKING. THE ENGINE CONTINUES TO RUN, AND CAN BE REVVED HOWEVER THE VEHICLE WILL NOT MOVE. AFTER TURNING OFF THE IGNITION, OPENING THE DRIVER'S DOOR AND WAITING A COUPLE OF MINUTES, YOU CAN RESTART THE ENGINE, THE GAUGES AND TRANSMISSION WILL ONCE AGAIN OPERATE. IT HAS NOW STARTED TO PERIODICALLY CAUSE THE DRIVER SIDE LOW BEAM HEADLIGHT AND DRIVER'S DOOR LOCK TO NOT FUNCTION AS WELL.

NEW VEHICLE FRONT END SUSPENSION BEGAN TO RANDOMLY VIOLENTLY SHAKE AT DIFFERENT SPEEDS (ONCE @ 55 MPH & ONCE @ 70 MPH). THE SHAKING WAS SO BAD THAT THE DRIVER COULD BARLEY HOLD THE WHEEL STRAIGHT TO AVOID LOSING CONTROL & CRASHING. WHILE THIS WAS HAPPENING THE VEHICLE 4 WD LIGHT WAS BLINKING DESPITE THE FACT THAT THE VEHICLE WAS IN 2 WD. ONCE DRIVER WAS ABLE TO PULL OVER HE INSPECTED THE OUTSIDE OF THE VEHICLE TO FIND NO MECHANICAL ISSUES (NO FLAT TIRES, THINGS IN THE WHEELS, ETC...). DRIVER THEN BEGAN DRIVING AGAIN & THE VEHICLE WAS FINE AS IF NOTHING HAPPENED. DRIVER CALLED ONSTAR & THEY STATED THERE WERE NO FAULT CODES IN THE SYSTEM. SEVERAL DAYS LATER THE SAME THING HAPPENED WHILE DRIVING AT 70 MPH. THIS TIME THE DRIVER NEARLY GOT INTO A ROLL OVER ACCIDENT. HE WAS ABLE TO GET THE VEHICLE TO THE...