United States 92V029000
NEOPLAN USA CORPORATION
The problem
STRAY VOLTAGE INDUCED ON THE POWER TAKEOFF (PTO) SIGNAL CIRCUIT 510 MAY OCCUR WHEN THE ELECTRONIC CONTROL MODULE (ECM) CONNECTOR GETS WET, CAUSING UNINTENDED ENGINE ACCELERATION.
Risk
UNINTENDED ENGINE ACCELERATION WHILE THE BUS IS IN GEARMAY RESULT IN A LOSS OF VEHICLE CONTROL AND AN ACCIDENT.
What owners should do
INSTALL A GROUND INTERLOCK TO GROUND CIRCUIT 510 IN THE DDEC SYSTEM ANYTIME THE PTO IS DISABLED FOR ANY REASON. THE GROUND ELIMINATES THE STRAY VOLTAGE EFFECT BETWEEN THE ECM CONNECTOR AND CIRCUIT 510.
Units 1439