Vehicle recall 92V029000 · March 6, 1992
Neoplan Inter-City Bus and Transit Bus
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.
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
- 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.
Recall details
- NHTSA campaign
- 92V029000
- Reported to NHTSA
- March 6, 1992
- Filed by
- NEOPLAN USA CORP.
- Owner notification
- February 14, 1992
- Vehicles potentially affected
- 1,439
- Initiated by
- the manufacturer
- Components
- Electrical system › Ignition › Module
Vehicles covered
As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.
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