Wheel Speed Sensor: Adjustments

The Four Wheel Antilock (4WAL) Electronic Brake Control Module (EBCM) is capable of accepting wheel speed signals from several different size tire and wheel combinations. All vehicles are preprogrammed from the factory with the proper front tire size calibration. When ever the 4WAL EBCM is replaced, it is necessary to reset the tire size calibration. Once programmed, this calibration will remain even if the battery is disconnected or the EBCM is removed from the vehicle.