2002–2007 Blue Bird C4RE, 2002–2007 Blue Bird L4RE, 2002–2007 Blue Bird M4RE Recall: Electrical System
NHTSA campaign 08V278000 · Electrical System · filed Jun 23, 2008 · verified Jul 30, 2026
The defect
NABI IS RECALLING 239 MY 2002-2007 BLUE BIRD C4RE AND L4RE TRANSIT BUSES EQUIPPED WITH A 'PRX1' MODULE. THE PRX1 MODULE IS A DEVICE WHICH TRANSMITS AN ELECTRIC SIGNAL TO THE INSTRUMENT CLUSTER, WHICH IS CONVERTED INTO AN AIR SYSTEM PRESSURE READING ON THE DASH MOUNTED GUAGE. ON CERTAIN MODULES, TIS READING IS INACCURATE CAUSING THE DISPLAYED PRESSURE TO BE OUTSIDE THE TOLERANCE OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 121, 'AIR BRAKE SYSTEMS.'
The risk
IF THE AIR BRAKE SYSTEM DEVELOPS A LEAK, THE BVEHICLE OPERATOR MAY NOT BE AWARE DUE TO THE INACCURATE DASH READING. IF A LEAK OCCURS, THE SAFETY/'EMERGENCY BRAKES COULD SET WITHOUT ADEQUATE WARNING, APPLYING THE BRAKES PARTIALLY, WHICH COULD RESULT IN LOSS OF VEHICLE CONTROL, POSSIBLY CAUSING A CRASH.
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
NABI WILL PROVIDE INSTRUCTIONS TO VEHICLE OWNERS/END-USERS TO ADD A SPECIFIC WIRE TO THE MODULE, CORRECTING THE PROBLEM. THE RECALL BEGAN ON AUGUST 5, 2008. OWNERS MAY CONTACT NABI AT
NABI RECALL NO. 2008-02.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
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Other campaigns involving Blue Bird vehicles
Source: NHTSA recall database, campaign 08V278000 (manufacturer number 2008-02). Data last verified Jul 30, 2026.