RAM 2500 Truck 2WD V8-5.7L VIN D (2004)
NOTE: The 2004 DR 3.7L, 4.7L, and 5.7L vehicles are equipped with the Powertrain Control Module and Transmission Control Module combined in a
single control module. This module is the Next Generation Controller (NGC) for DaimlerChrysler and will be referred to as the Powertrain Control
Module (PCM). The PCM has four color coded connectors C1/A through C4/D, (C1/A - BLK, C2/B - ORANGE, C3/C - WHITE, C4/D -GREEN), with
each connector containing 38 pins. The 5.9L Electronic Fuel Injection 24 valve Turbo Diesel has an Engine control module (ECM) CM845. New
Diagnostic procedures and New DTC numbers are two of the changes you will see which reflect the new combined module technology. There are new
Verification tests and module replacement procedures for the new PCM.
Two tools are required to diagnose and repair the PCM terminals and harness connectors:
1. Miller #3638 Terminal Removal Pick must be used to release the connector terminals or harness and connector damage will occur.
2. Miller #8815 Pinout Box must be used to probe the PCM terminals or terminal damage will occur.
Door Ajar System
The door ajar state is used as an input for various control modules on the vehicle. The DRBIII(R) will display the state of the door ajar switches in
Inputs/ Outputs. It's important to note, that when a door is closed, the switch state on the DRBIII(R) will show OPEN, and when the door is open, the
switch state will show CLOSED. During diagnosis, if a door is closed and the DRBIII(R) displays the switch state as CLOSED, it indicates a shorted
