United States 10V103000
International Motors, LLC
The problem
NAVISTAR HAS NOTIFIED NHTSA ABOUT A DEFECT IN CERTAIN MODEL YEAR 2010 AND 2011 IC CE, BE, AND FE SCHOOL BUSES MANUFACTURED FROM NOVEMBER 19, 2003 THROUGH FEBRUARY 9, 2010. THE PARKING BRAKE MAY RELEASE IF THE BRAKE SYSTEM ELECTRONIC CONTROL UNIT SOFTWARE MISINTERPRETS INPUT SIGNALS GENERATED FROM CYCLING THE IGNITION SWITCH MORE THAN ONCE AT A SPECIFIC FREQUENCY.
Risk
RELEASE OF THE PARKING BRAKE MAY CAUSE SUDDEN, UNEXPECTED SHIFT IN VEHICLE POSITION POSSIBLY RESULTING IN PROPERTY DAMAGE, PERSONAL DAMAGE, OR DEATH.
What owners should do
NAVISTAR WILL NOTIFY OWNERS AND WILL REPAIR THE BUSES BY REPROGRAMMING THE VEHICLE'S BRAKE SYSTEM ECU FREE OF CHARGE. THE SAFETY RECALL BEGAN ON APRIL 2, 2010. OWNERS MAY CONTACT NAVISTAR AT 1-260-461-1890.
Units 5016