MY VEHICLES ETC LIGHT (CODE P2112) CAME ON WHILE GETTING ON THE EXPRESSWAY AT 65 MPH AND IT WENT INTO "LIMP MODE" CAUSING MY VEHICLE TO JERK SEVERELY AND MY SPEED TO DROP DOWN TO 30 MPH IMMEDIATELY. AFTER NEARLY BEING HIT BY A SEMI I WAS ABLE TO GET TO THE EMERGENCY LANE AND MY CHECK ENGINE LIGHT CAME ON AS WELL. THE VEHICLE WILL NOT GO FASTER THAN 10 MPH. *TR