2002–2004 Orion V, 2002–2005 Orion VI Recall: ON CERTAIN BUSES EQUIPPED WITH DETROIT DIESEL SERIES 50G ENGINES, HIGHER…
NHTSA campaign 06V211000 · Engine and Engine Cooling · filed Jun 14, 2006 · verified Jul 30, 2026
The defect
ON CERTAIN BUSES EQUIPPED WITH DETROIT DIESEL SERIES 50G ENGINES, HIGHER THAN EXPECTED TEMPERATURES WILL ALLOW THE LOW PRESSURE NATURAL GAS REGULATOR GASKET TO LEAK COOLANT AND DRIP ONTO THE TERMINALS OF THE BATTERY CHARGING ALTERNATOR.
The risk
THIS CAN RESULT IN A SHORT IN THE ELECTRICAL CIRCUIT AND THE POTENTIAL FOR AN ENGINE COMPARTMENT 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
DETROIT DIESEL IS CONDUCTING THE RECALL (PLEASE SEE 06E028000) AND WILL REPAIR THE ENGINES BY REPLACING THE LOW PRESSURE REGULATOR GASKET FREE OF CHARGE. OWNERS MAY CONTACT DETROIT DIESEL AT 1-313-592-3708 OR ORION BUS AT 905-403-7832.
ORION BUS RECALL NO. DDC#06C03.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 V recalls
- 2003–2008 Orion V and 1 other model — Specific potting compound used in the equalizers and…
- 2004–2008 Orion V and 1 other model — Turbine or compressor wheel may fail, resulting in…
- 1992–1998 Orion II and 3 other models — Power Train
- 2002–2007 Orion V and 1 other model — Interior Lighting
- 2000–2008 Orion V — Equipment Adaptive/mobility
Other campaigns involving Orion vehicles
Source: NHTSA recall database, campaign 06V211000 (manufacturer number DDC#06C03). Data last verified Jul 30, 2026.