Component Description
SERVICE BRAKES, AIR:ANTILOCK
Manufacturer That Filed Defect/noncompliance Report
GENERAL MOTORS CORP.
Begin Date Of Manufacturing
19970501
End Date Of Manufacturing
19980930
Vehicle, Equipment Or Tire Report
0
Potential Number Of Units Affected
30000
Date Owner Notified By MFR
20001214
Recall Initiator (MFR/OVSC/ODI)
MFR
Mfg
General Motors LLC
Report Received Date
20000907
Record Creation Date
20000926
Regulation Part Number
Defect Summary
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 Summary
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.
Corrective Summary
DEALERS WILL REPLACE THE ABS ECU.
Recall Notes
OWNER NOTIFICATION BEGAN DECEMBER 14, 2000 FOR THE B7 SERIES SCHOOL BUSES AND ON MARCH 15, 2001, FOR THE MEDIUM DUTY TRUCKS AND TRACTORS. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT CHEVROLET AT 1-800-222-1022 OR GMC AT 1-800-462-8782. ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S AUTO SAFETY HOTLINE AT 1-888-DASH-2-DOT (1-888-327-4236).