1991 NEOPLAN TRANSIT BUS Recall

Campaign:

92V029000 on 03/15/1992

Component:

Electrical system:ignition:module

Manufactured:

12/31/1985 - 12/31/1990

Affected:

1,439

Defect:

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.

Correction:

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.

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