NHTSA Campaign 00V279004

SERVICE BRAKES, AIR:ANTILOCK

Issued by BLUE BIRD BODY COMPANY · Reported Dec 18, 2000 · 1,269 vehicles affected

What's wrong

VEHICLE DESCRIPTION: TRANSIT AND SCHOOL BUSES EQUIPPED WITH MERITOR WABCO PHASE 1, D-VERSION ANTILOCK BRAKE SYSTEM (ABS), FAIL TO COMPLY TO THE REQUIREMENTS OF FMVSS NO. 105, "HYDRAULIC AND ELECTRIC BRAKE SYSTEMS." AN INTERNAL DIAGNOSTIC SYSTEM IN THE ABS MAY NOT DETECT AN EXTREME WHEEL SPEED SENSOR AIR GAP. SUCH A CONDITION COULD POSSIBLY OCCUR DURING (1) ORIGINAL ASSEMBLY OR (2) SUBSEQUENT WHEEL END SERVICE.

Consequence

FAILURE OF THE ELECTRONIC CONTROL UNIT TO DETECT AN EXTREME WHEEL SPEED SENSOR AIR GAP CAN RESULT IN THE LOSS OF ANTILOCK BRAKING FUNCTION ON THE WHEEL(S) WHERE THE AIR GAP EXISTS, INCREASING THE RISK OF A CRASH.

Remedy

THE ABS ECU WILL BE REMOVED AND REPLACED OR THE ECU WILL BE REPROGRAMMED.

Vehicles affected by this recall

Make Model Year Units
BLUE BIRD ALL AMERICAN 1999 1,269
BLUE BIRD ALL AMERICAN 2000 1,269
BLUE BIRD ALL AMERICAN 2001 1,269
BLUE BIRD COMMERCIAL SERIES 1999 1,269
BLUE BIRD COMMERCIAL SERIES 2000 1,269
BLUE BIRD COMMERCIAL SERIES 2001 1,269
BLUE BIRD TC2000 1999 1,269
BLUE BIRD TC2000 2000 1,269
BLUE BIRD TC2000 2001 1,269

Source: NHTSA Campaign 00V279004 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.