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.
Consequence & remedy
Consequence: UNINTENDED ENGINE ACCELERATION WHILE THE BUS IS IN GEARMAY RESULT IN A LOSS OF VEHICLE CONTROL AND AN ACCIDENT.
Remedy: 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.
CERTAIN BOLTS SUCH AS THE DRIVE SHAFT BOLTS, STEERING MOUNTING BOLTS, MOTOR MOUNT BOLTS, AND THE WHEEL CHAIR SUPPORT BOLTS MAY NOT MEET SAE SPECIFICATIONS.
Consequence & remedy
Consequence: BOLTS COULD BREAK OR FAIL AFFECTING THE SPECIFIC COMPONENT INVOLVED, RESULTING IN A POTENTIAL AN ACCIDENT AND/OR PERSONAL INJURY.
Remedy: REPLACE NON-SPECIFICATION BOLTS WITH BOLTS THAT MEET SAE SPECIFICATIONS.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
0
No exact-year investigations in this snapshot.
1987 Neoplan Transit Bus Problems, Complaints & Recalls | Skip That Year