NHTSA Campaign 10V324000

SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:WHEEL SPEED SENSOR/TONE RING

Issued by NOVA BUS INCORPORATED · Reported Jul 12, 2010 · 139 vehicles affected

What's wrong

NOVA BUS IS RECALLING CERTAIN MODEL YEAR 2007-2010 TRANSIT BUSES EQUIPPED WITH ATC (AUTOMATIC TRACTION CONTROL) SYSTEM AND V-BEA MULTIPLEXING SYSTEM MANUFACTURED FROM APRIL 2, 2007 THROUGH JUNE 30, 2010. THE ATC SYSTEM MAY INADVERTENTLY ACTIVATE WHENEVER THE PARKING BRAKE OR THE BRAKE INTERLOCK IS APPLIED, SINCE THE VEHICLE'S MULTIPLEX PROGRAM DID NOT CORRECTLY SEND THE PARKING BRAKE OR INTERLOCK SIGNAL TO THE ATC SYSTEM. THE ATC SYSTEM COULD MISINTERPRET THIS SITUATION AS WHEEL SPIN, SUBSEQUENTLY APPLYING AND RELEASING THE APPLIED BRAKES. THE VEHICLE COULD THEN MOVE UNEXPECTEDLY.

Consequence

THE VEHICLE MAY MOVE INADVERTENTLY EVEN WHEN THE PARKING BRAKE IS APPLIED INCREASING THE RISK OF A CRASH.

Remedy

DEALERS WILL REPROGRAM THE SYSTEM AND THE ENGINE'S ECU FREE OF CHARGE. THE SAFETY RECALL BEGAN ON JULY 22, 2010. OWNERS MAY CONTACT NOVA BUS AT 450-472-6410.

Vehicles affected by this recall

Make Model Year Units
NOVA BUS NOVA LFS 2007 139
NOVA BUS NOVA LFS 2008 139
NOVA BUS NOVA LFS 2009 139
NOVA BUS NOVA LFS 2010 139

Source: NHTSA Campaign 10V324000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.