2004–2006 Blue Bird Ultra LF Recall: CERTAIN COMMERCIAL SERIES TRANSIT BUSES EQUIPPED WITH CUMMINS ISB-02…
NHTSA campaign 05V404000 · Fuel System, Other · filed Sep 13, 2005 · verified Jul 30, 2026
The defect
CERTAIN COMMERCIAL SERIES TRANSIT BUSES EQUIPPED WITH CUMMINS ISB-02 DIESEL ENGINES BUILT WITH EMC CONTROLLED FUEL LIFT PUMPS. ERRATIC VOLTAGE SUPPLY TO THE FUEL LIFT PUMP CAUSES PREMATURE ELECTRIC BRUSH WEAR INTERNAL TO THE FUEL LIFT PUMP. THIS PREMATURE WEAR COULD RESULT IN FUEL LIFT PUMP FAILURE AND IN SOME CASES MAY CAUSE AN ENGINE STALL CONDITION.
The risk
SHOULD THE ENGINE STALL, A VEHICLE CRASH COULD OCCUR.
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
CUMMINS, IN CONJUNCTION WITH BLUE BIRD, WILL NOTIFY OWNERS AND REPAIR THE ENGINES BY EMC RECALIBRATION AND REPLACEMENT OF THE FUEL LIFT PUMP AT NO CHARGE TO THE CUSTOMER. OWNERS MAY CONTACT CUMMINS ASSISTANCE CENTER AT 1-800-DIESELS OR BLUE BIRD AT 1-478-822-2242.
BLUE BIRD RECALL NO. R05KB.CUSTOMERS MAY 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 Blue Bird Ultra LF recalls
- 2004–2007 Blue Bird Express 4000 and 3 other models — Specific potting compound used in the subject products for…
- 2003–2007 Blue Bird Ultra LF — Cracks may develop in the bracket which secures the power…
- 2003–2006 Blue Bird Ultra LF — ON CERTAIN COMMERCIALTRANSIT BUSES EQUIPPED WITH VAPOR DOOR…
- 2002–2005 Blue Bird Ultra LF — CERTAIN TRANSIT BUSES FAIL TO COMPLY WITH THE REQUIREMENTS…
- 2004 Blue Bird Express 4000 and 3 other models — CERTAIN MOTOR COACHES, MOTOR HOMES, COMMUTER COACHES, AND…
Other campaigns involving Blue Bird vehicles
Source: NHTSA recall database, campaign 05V404000 (manufacturer number R05KB). Data last verified Jul 30, 2026.