OFFICIAL NHTSA RECALL

92V029000

Electrical System:ignition:module

Reported Mar 6, 1992 · NEOPLAN USA CORP.

Summary

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

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.

Notes

SYSTEM: ELECTRICAL SYSTEM.VEHICLE DESCRIPTION: TRANSIT BUSES AND INTER-CITY COACHES EQUIPPED WITH DETROITDIESEL EC-1 AND EC-II CONTROLLED 6V-92TA, 8V-92TA, AND SERIES 60 ENGINES.

This campaign page uses the representative official campaign record. Applicability-specific source variants appear on the linked vehicle pages. Recall counts refer to campaigns, not affected vehicles.

Vehicle entries in this campaign

1992 Neoplan Transit Bus 1992 Neoplan INTER-CITY Bus 1991 Neoplan Transit Bus 1991 Neoplan INTER-CITY Bus 1990 Neoplan Transit Bus 1990 Neoplan INTER-CITY Bus 1989 Neoplan INTER-CITY Bus 1989 Neoplan Transit Bus 1988 Neoplan INTER-CITY Bus 1988 Neoplan Transit Bus 1987 Neoplan Transit Bus 1987 Neoplan INTER-CITY Bus 1986 Neoplan INTER-CITY Bus 1986 Neoplan Transit Bus

This is model-level recall history. It does not confirm whether a particular VIN is affected or has received the repair. Check with NHTSA ↗