NHTSA recall 07V379000
Engine and engine cooling
Orion Vii
The defect
On certain transit buses equipped with cummins engines configured with diesel particulate filters (dpf) and ultra compact modules (ucm), the ucm may fail. the ucm IS located in a wiring harness inside the engine compartment on the curb side.
The risk
The engine may stall and the ucm may fail causing a fire.
The remedy
Owners will be provided with instructions and parts to replace the 5 amp circuit breaker with a 2 amp fuse to mitigate the failure of the ucm from subsequently causing a fire. the recall began on january 25, 2008. owners may contact dcbusna/orion bus at 905-403-7832.