THOMAS MVP EF 1999: SERVICE BRAKES, AIR:ANTILOCK

General Information

NHTSA Campaign ID Number: 00V232011

Make Model Year
THOMAS MVP EF 1999
Date Owners Notified Date Received by ODI Date Added to Database
2000-08-29 2000-08-07 2000-11-29

Production Dates: 1998-02-13 - 2000-08-03

Manufacturers Involved: THOMAS BUILT BUSES, INC.

Component: SERVICE BRAKES, AIR:ANTILOCK

Potential Number Of Units Affected: 4780

Report Initiator: MFR MFR Report

Summary

VEHICLE DESCRIPTION: SCHOOL BUS CHASSIS AND EMERGENCY VEHICLES 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.

Notes

OWNER NOTIFICATION BEGAN AUGUST 29, 2000, TO SCHOOL BUSES AND EMERGENCY VEHICLE CUSTOMERS. OWNERS OF THE REMAINING POPULATION WERE SENT LETTERS ON SEPTEMBER 9, 2000. 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 FREIGHTLINER AT 1-800-547-0712.ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S AUTO SAFETY HOTLINE AT 1-888-DASH-2-DOT '1-888-327-4236'.