NGC Controller

WARNING: This page is about a different car, the 2004 Dodge Grand Caravan, 2004 Dodge Caravan, and 2004 Chrysler Town & Country. However, it is still accessible from the selected car via links, so may be relevant.

The 2004 model year, RS vehicles will integrate the Transmission Control Module and Powertrain Control Module into a single control module. This new module is the Next Generation Controller for DaimlerChrysler and will be referred to as the Powertrain Control Module (PCM).

The PCM will have four color coded connectors, C1 through C4, (C1-BLK, C2-GRAY, C3-WHITE, C4-GREEN), each PCM connector will have 38 pins. Two tools are used for probing and repairing the new PCM connectors. Miller tool #3638, and Miller tool #8815. Miller tool #3638 is designed to release the pins from the PCM harness connectors. You must use the Miller tool #3638 to release the harness connector terminals or harness connector or terminal damage will occur. Miller tool #8815 was designed for probing the PCM harness connectors. You must use Miller tool #8815 for probing the PCM terminals or damage to the terminal will occur resulting in a poor terminal to pin connection.

The procedures contained in this service information include all of the specifications, instructions, and graphics needed to diagnose,

*40/41TE (NGC) Electronic Automatic Transmission problems

The diagnostics in this service information are based on the failure condition or symptom being present at the time of diagnosis.

When repairs are required, refer to appropriate removal and repair procedure.

Diagnostic procedures change every year. New diagnostic systems may be added and/or carryover systems may be enhanced. READ THIS SERVICE INFORMATION BEFORE TRYING TO DIAGNOSE A VEHICLE TROUBLE CODE. It is recommended that you review the entire service information to become familiar with all new and changed diagnostic procedures.