2004–2007 Orion Vii Recall: ON CERTAIN TRANSIT BUSES EQUIPPED WITH CUMMINS ENGINES CONFIGURED WITH…
NHTSA campaign 07V379000 · Engine and Engine Cooling · filed Aug 28, 2007 · verified Jul 30, 2026
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.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
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.
CUSTOMERS MAY ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S VEHICLE SAFETY HOTLINE AT 1-888-327-4236 (TTY 1-800-424-9153), OR GO TO HTTP://WWW.SAFERCAR.GOV.
Affected vehicles
Related recalls
More Orion Vii recalls
- 2010–2012 Orion Vii — Affected seats have J-Brackets that may be missing welds…
- 2007–2012 Orion Vii — Excessive engine crankcase pressures may cause the…
- 2007–2012 Orion Vii — Condensation in the intake manifold may freeze during cold…
- 2003–2008 Orion V and 1 other model — Specific potting compound used in the equalizers and…
- 2011–2012 Orion Vii — In the affected vehicles, the brake chambers may leak…
Other campaigns involving Orion vehicles
Source: NHTSA recall database, campaign 07V379000. Data last verified Jul 30, 2026.