TRANSPORTATION TRANSIT BUS 1986: ELECTRICAL SYSTEM:IGNITION:MODULE
| Make : TRANSPORTATION | Model : TRANSIT BUS | Year : 1986 |
| Build Dates : 1986-01-01 - 1991-01-01 | ||
| NHTSA CAMPAIGN ID Number : 92V029000 | ||
| Date Owner's Notified: 1992-02-14 | Date Received by ODI: 1992-03-06 | Date Added to Database: 1992-03-16 |
| Manufacturers Involved: NEOPLAN USA CORPORATION | ||
| Manufacturer's Responsible for the Recall: | ||
| Manufacturer Campaign Number: | ||
| Component: ELECTRICAL SYSTEM:IGNITION:MODULE | ||
| Potential Number Of Units Affected : 1439 | ||
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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. |
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Consequence:
UNINTENDED ENGINE ACCELERATION WHILE THE BUS IS IN GEARMAY RESULT IN A LOSS OF VEHICLE CONTROL AND AN ACCIDENT. |
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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. |
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| Report Initiator: MFR | V Report | |
| Regulation Part Number: | Federal Motor Vehicle Safety Standard Number: | |
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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. |
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