RAM 2500 Van V8-5.2L VIN Y (1998)
Electronic Brake Control Module: Customer Interest
Rear Axle - Vehicle Speed Is Inaccurate
NUMBER: 18-002-02
GROUP: Vehicle Performance
DATE: January 21, 2002
THE MDS2(R) MUST BE OPERATING WITH CIS CD2094 OR HIGHER, AVAILABLE OCTOBER 29, 2001. THE DRBIII(R) MUST BE AT
LEVEL 52.5 OR LATER.
SUBJECT:
Pinion Factor Recalibration
MODELS:
1998-2002 AB Ram Van
NOTE:
THIS BULLETIN APPLIES TO ALL 1998 - 2002 (AB) RAM VANS EQUIPPED WITH THE 9.25 REAR AXLE.
DISCUSSION:
Owners of 1998 - 2002 (AB) Ram Vans equipped with the 9.25 rear axle may complain that vehicle speed is inaccurate. It may be that past service on
the rear axle has caused the calibration to change. Accurate calibration can be restored by reprogramming the applicable module, (ABS) Antilock Brake
System or (RWAL) Rear Wheel Antilock, using the DRBI III(R).
NOTE:
THE DRBIII(R) MUST BE AT LEVEL 52.5 OR HIGHER AND THE MDSII(R) AT CD 2094 OR HIGHER TO PERFORM THE
REPROGRAMMING.
POLICY:
Information Only
