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TSB 18-024-02

Incorrect Dual Wheel Identification in VIN,
May Effect Replacement Powertrain Control Module Programming

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Date: Aug 12, 2002

Models: 2003 (DR) Ram Truck

Discussion:
The sixth character In the VIN is used to identify the vehicle series (1500, 2500, 3500). Some 2003 vehicles equipped with dual rear wheels, built prior to July 15, 2003 (MDH 0715XX), may have an incorrect number as the sixth character of the VIN. All vehicles equipped with dual wheels, sales code WLA, should have the number "4" as the sixth character. This identifies the vehicle as a 3500 series equipped with dual rear wheels. The incorrectly built Vehicles will have the numbers "3" in that position, In the event that a Powertrain Control Module (PCM) would require replacement, the new module requires that the complete VIN be input during the programming procedure. It is important to remember that all vehicles equipped with dual rear wheels must have a "4" as the sixth character in the VIN. If a new PCM is programmed with a "3" as the sixth character and it is equipped with dual rear wheels a conflict is likely to occur with the ABS module which will set an error code. Dual rear wheel equipped vehicles require an ABS module calibrated for dual rear wheels. It PCM replacement is ever required, simply input a "4" instead of the "3" as the sixth character in the VIN when programming the PCM. This condition does not effect the Flash reprogramming procedure, which does not require input of the VIN.

Policy:    Information Only


I would like to thank Bob Bergevin, Arthur Cantrall, Barry Drodge, David Lovell, Bill Maurits, and Steve for supplying the information for these bulletins. And a big thank you goes to Geno's Garage for making DodgeRam.info possible.

 

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This page was edited on: May 3, 2004