Engine and engine cooling
- Component
- Engine and engine cooling
- Manufacturer
- DAIMLERCHRYSLER COMMERCIAL BUSES NA
- Vehicles affected
- 71
- Reported to NHTSA
- 2007-08-28
- Owners notified
- 2008-01-25
Defect description
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.
Safety risk
THE ENGINE MAY STALL AND THE UCM MAY FAIL CAUSING A FIRE.
Manufacturer 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.