The 2007 Orion Vii has 9 NHTSA recall campaigns affecting an estimated 6,175 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 2 complaints with NHTSA, most often about the electrical system. Last updated July 5, 2026.
Recall campaigns
ENGINE AND ENGINE COOLING15V2880002015-05-15455 affected
Defect
Daimler Buses North America (DBNA) is recalling certain model year 2007-2012 Orion VII natural gas-powered transit buses manufactured January 1, 2007, to October 1, 2012. Excessive engine crankcase pressures may cause the 90-degree elbow of the vent tube assembly to detach from the crankcase ventilation breather,…
Consequence
If the engine oil comes into contact with hot surfaces, it can increase the risk of a vehicle fire.
Remedy
Cummins will notify owners on behalf of DBNA, and dealers will secure the ends of the 90-degree elbow. In addition, the electronic control module (ECM) will be reprogrammed with software that can adjust the engine output under misfire conditions to limit crankcase pressures. These repairs will be performed free of…
ENGINE AND ENGINE COOLING14V1060002014-03-05455 affected
Defect
Daimler Buses North America (DBNA) is recalling certain model year 2007-2012 Orion VII transit buses manufactured January 2007 through October 2012 equipped with certain Cummins Westport Model ISL G engines. Condensation in the intake manifold may freeze during cold weather conditions and interfere with the proper…
Consequence
The improper operation of the sensor could induce elevated exhaust temperatures or flames from the exhaust pipe, increasing the risk of a vehicle fire or burn injury to a person near the exhaust pipe.
Remedy
Cummins Inc. and Cummins Wesport Inc. will notify owners, and authorized Cummins service facilities will upload a new ECM calibration, free of charge. The recall began on April 12, 2014. Owners may contact DBNA at 1-905-403-7807 or Cummins Inc. at 1-800-343-7357. Cummins' number for this recall is C1462 (for ISL G…
Daimler Buses North America Ltd. (DBNA) is recalling certain model year 2003-2008 Orion V and model year 2002-2010 VII buses equipped with Sure Power equalizers and DC-DC Converters. The specific potting compound used in the equalizers and convertors for insulation was found to be capable of conducting electricity…
Consequence
Once electrically conductive, the material is capable of melting and burning, increasing the risk of a fire.
Remedy
DBNA will notify owners and Sure Power representatives will change out the equalizer and/or convertor, free of charge. The recall is expected to begin during November 2014. Owners may contact DBNA at 1-905-403-1111.
VISIBILITY09V3180002009-08-07824 affected
Defect
DAIMLER BUS NORTH AMERICA IS RECALLING CERTAIN MODEL YEAR 2006 THROUGH 2009 ORION VII TRANSIT BUSES MANUFACTURED FROM DECEMBER 2007 THROUGH JULY 2009. THE PASSENGER WINDOWS HAVE A TIP-IN TRANSOM WINDOW WHICH IS ATTACHED BY SCREWS. THESE SCREWS MAY LOOSEN AND THE WINDOW MAY DISLODGE AND FALL INTO THE BUS.
Consequence
A COLLAPSING WINDOW COULD INJURE PASSENGERS.
Remedy
AN INTERIM NOTICE WAS SENT TO OWNERS ON OCTOBER 21, 2009 INSTRUCTING THEM TO CHECK THAT THE SCREWS ARE PROPERLY TIGHTENED AND TO INSPECT THEM PERIODICALLY. A PERMANENT REPAIR IS NOW AVAILABLE AND OWNERS WILL BE PROVIDED INSTRUCTIONS TO REPAIR THE BUSES FREE OF CHARGE. AN OWNER NOTIFICATION ADVISING OWNERS ABOUT THE…
VISIBILITY09V2150002009-06-11286 affected
Defect
ORION IS RECALLING 286 MODEL YEAR 2007 THROUGH 2009 TRANSIT BUSES MANUFACTURED BETWEEN DECEMBER 2007 AND APRIL 2009. THE BOND OF THE GLASS TO THE ALUMINUM FRAME OF THE PASSENGER WINDOWS IS NOT ADEQUATE ENOUGH TO HOLD THE WINDOW ATTACHED TO THE FRAME.
Consequence
THE WINDOW COULD DISLODGE FROM THE BUS WHILE IN OPERATION, POSSIBLY BECOMING A ROAD HAZARD TO OTHER MOTORISTS WHICH COULD RESULT IN A VEHICLE CRASH.
Remedy
ORION WILL NOTIFY OWNERS AND THE MOVING WINDOW PORTION WILL BE REPLACED FREE OF CHARGE. THE SAFETY RECALL IS EXPECTED TO BEGIN ON OR BEFORE JULY 15, 2009. OWNERS MAY CONTACT HEHR INTERNATIONAL AT 1-989-845-3067 OR ORION AT 1-800-716-7466.
SEATS09V0990002009-03-25804 affected
Defect
DAIMLER BUS IS RECALLING 804 MY 2006-2009 TRANSIT BUSES EQUIPPED WITH A NEW YORK CUSTOM SEAT HEATER. CURRENTLY, THE TERMINAL CONNECTION OF THE SEAT HEATER IS IMMEDIATELY LOCATED NEXT TO THE SEAT BUS BAR. SHOULD CONDUCTIVE MATERIAL OR DEBRIS, SUCH AS A WASHER, ENTER BETWEEN THE TERMINAL CONNECTION AND THE SEAT BUS…
Consequence
A SHORT CIRCUIT BETWEEN THE SEAT BUS BAR AND THE ADJACENT TERMINAL CONNECTION COULD OVERHEAT THE WIRE, POSSIBLY RESULTING IN A FIRE.
Remedy
DEALERS WILL INSPECT BUSES FOR DEBRIS AND WILL RELOCATE THE TERMINAL CONNECTION AWAY FROM THE BUS BAR. THIS SERVICE WILL BE PERFORMED FREE OF CHARGE. THE RECALL IS EXPECTED TO BEGIN DURING APRIL 2009. OWNERS MAY CONTACT DAIMLER BUSES AT 905-403-7807.
ENGINE AND ENGINE COOLING08V4800002008-09-29175 affected
Defect
DAIMLER BUSES IS RECALLING 175 MY 2004-2008 ORION V AND VII BUSES EQUIPPED WITH A CUMMINS ISL DIESEL ENGINES. DUE TO VARIOUS ALTERNATOR CABLE ROUTING CONFIGURATIONS, IT MAY BE POSSIBLE FOR THE CABLE TO RUB ON ENGINE COMPONENTS.
Consequence
WHEN THE CABLE RUBBING IS NOT DETECTED DURING REGULAR MAINTENANCE INSPECTIONS, THE INSULATION CAN RUB TO EXPOSE THE ELECTRIFIED CABLE. ARCING CAN CAUSE A FIRE TO OCCUR.
Remedy
DAIMLER BUSES WILL REROUTE THE ALTERNATOR CABLE TO ENSURE THAT THE CABLE DOES NOT CONTACT ENGINE COMPONENTS. THE RECALL IS EXPECTED TO BEGIN ON OR BEFORE JANUARY 2009. OWNERS MAY CONTACT DAIMLER BUSES AT 1-800-716-7466.
ENGINE AND ENGINE COOLING07V3790002007-08-2871 affected
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.
Consequence
THE ENGINE MAY STALL AND THE UCM MAY FAIL CAUSING A FIRE.
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.
ENGINE AND ENGINE COOLING07V3260002007-07-2696 affected
Defect
ON CERTAIN TRANSIT BUSES BUILT WITH CUMMINS ISL ENGINES, THE EXHAUST ELBOW WAS INCORRECTLY ASSEMBLED AND WELDED DURING PRODUCTION. THE UPPER FLANGE HAS A BUTT TYPE WELD INSTEAD OF A FILLET TYPE WELD.
Consequence
AN EXHAUST SYSTEM THAT IS NOT MAINTAINED TO ENSURE THAT THERE ARE NO LEAKING SECTIONS CAN CAUSE HEAT DAMAGE TO SURROUNDING COMPONENTS INCREASING THE RISK OF A FIRE.
Remedy
OWNERS WILL BE REIMBURSED FOR THE REPLACEMENT OF THE EXHAUST ELBOW. THE RECALL BEGAN DURING SEPTEMBER 2007. OWNERS MAY CONTACT ORION AT 1-800-716-7466.
Complaints by component
ELECTRICAL SYSTEM
1
1fires
FUEL SYSTEM, OTHER
1
1fires
Total complaints2
What owners report
Verbatim reports filed with NHTSA, lightly edited for readability and with personal
information removed.
“A port authority owned 2006 orion vi diesel powered airport shuttle bus was destroyed by fire on 6/28/08 at about 12:00 a.m. Fortunately the bus was not carrying passengers at the time, as the fire spread quickly and destroyed the bus even though it was equipped with an on-board fire suppression…”
“A port authority owned 2006 orion vi diesel powered airport shuttle bus was destroyed by fire on 6/28/08 at about 12:00 a.m. Fortunately the bus was not carrying passengers at the time, as the fire spread quickly and destroyed the bus even though it was equipped with an on-board fire suppression…”
Defect investigations
InvestigationEQ09007 Opened 2009-08-18 · closed 2009-11-24
FALLING BUS WINDOWS
THE PURPOSE OF THIS INVESTIGATION WAS TO DETERMINE WHETHER THE TIP-IN STYLE TRANSOM WINDOWS SUPPLIED TO DAIMLER BUSES FOR USE ON BUSES IT MANUFACTURED, AND CONCERNING WHICH THAT COMPANY MADE A DEFECT DETERMINATION, WERE SUPPLIED TO ANY OTHER VEHICLE MANUFACTURERS OR AS REPLACEMENT EQUIPMENT AND, IF SO, TO PROMPT…
InvestigationEQ09007 Opened 2009-08-18 · closed 2009-11-24
FALLING BUS WINDOWS
THE PURPOSE OF THIS INVESTIGATION WAS TO DETERMINE WHETHER THE TIP-IN STYLE TRANSOM WINDOWS SUPPLIED TO DAIMLER BUSES FOR USE ON BUSES IT MANUFACTURED, AND CONCERNING WHICH THAT COMPANY MADE A DEFECT DETERMINATION, WERE SUPPLIED TO ANY OTHER VEHICLE MANUFACTURERS OR AS REPLACEMENT EQUIPMENT AND, IF SO, TO PROMPT…
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL,
FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2007 Orion Vii as of
July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page
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