NHTSA Campaign 00V232008

SERVICE BRAKES, AIR:ANTILOCK

Issued by GENERAL MOTORS CORP. · Reported Sep 7, 2000 · 30,000 vehicles affected

What's wrong

VEHICLE DESCRIPTION: SCHOOL BUSES, MEDIUM DUTY TRUCKS AND TRACTORS BUILT WITH BENDIX AIR ABS WITH AN EC-17 1030R ELECTRONIC CONTROL UNIT (ECU), THERE HAVE BEEN REPORTS OF UNWANTED ABS ACTIVATION AT LOW SPEEDS CAUSED BY 1) CHAFED ABS WHEEL SPEED SENSOR WIRES ON ROTATING PARTS OR 2) A DAMAGED COMPONENT AT THE WHEEL END THAT GENERATES A CERTAIN TYPE OF ERRATIC SENSOR SIGNAL.

Consequence

THIS CONDITION COULD CAUSE THE ABS ECU TO EXHAUST THE AIR AT THE AIR BRAKE MODULATORS FOR ONE OR MORE OF THE WHEELS. THIS COULD RESULT IN EXTENDED BRAKING DISTANCES AND A POSSIBLE CRASH.

Remedy

DEALERS WILL REPLACE THE ABS ECU.

Vehicles affected by this recall

Make Model Year Units
CHEVROLET B7 1998 30,000
CHEVROLET B7 1999 30,000
CHEVROLET B7 2000 30,000
CHEVROLET B7 2001 30,000
CHEVROLET C6500 1998 30,000
CHEVROLET C6500 1999 30,000
CHEVROLET C6500 2000 30,000
CHEVROLET C6500 2001 30,000
CHEVROLET C7500 1998 30,000
CHEVROLET C7500 1999 30,000
CHEVROLET C7500 2000 30,000
CHEVROLET C7500 2001 30,000
CHEVROLET F6 1998 30,000
CHEVROLET F6 1999 30,000
CHEVROLET F6 2000 30,000
CHEVROLET F6 2001 30,000
CHEVROLET F7 1998 30,000
CHEVROLET F7 1999 30,000
CHEVROLET F7 2000 30,000
CHEVROLET F7 2001 30,000
GMC B7 1998 30,000
GMC B7 1999 30,000
GMC B7 2000 30,000
GMC B7 2001 30,000
GMC C6500 1998 30,000
GMC C6500 1999 30,000
GMC C6500 2000 30,000
GMC C6500 2001 30,000
GMC C7500 1998 30,000
GMC C7500 1999 30,000
GMC C7500 2000 30,000
GMC C7500 2001 30,000
GMC F6 1998 30,000
GMC F6 1999 30,000
GMC F6 2000 30,000
GMC F6 2001 30,000
GMC F7 1998 30,000
GMC F7 1999 30,000
GMC F7 2000 30,000
GMC F7 2001 30,000

Source: NHTSA Campaign 00V232008 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.