START/STOP ON POWERTRAIN / MOTOR CONTROL. MOTOR STOPS ON BRAKE PEDAL PRESSURE AND STARTS UPON ? ? DECREASE IN PEDAL PRSSURE ? MOTOR STARTED AND RPM ACCELERATED BU ITSELF WHILE BRAKE PEDAL APPLIED, VEHICLE "SURGED" AND HIT POST. MOTOR ACCELERATES RPM / WORKS BY ITSELF. PROBLEM IS INTERMITTENT. DELAY IN "START / STOP" CAUSING SURGE. SOFTWARE PROGRAMMING PROBLEM ?