Next Generation Controller

New for 2003 for models equipped with the 4.7L is a combined Powertrain Control Module (PCM) and Transmission Control Module (TCM) in a single control module. This new module is the Next Generation Controller (NGC) and will be referred to as the PCM. New Diagnostics procedures and New DTCs are some of the changes you will see which reflect the new combined module technology. The PCM has four color coded connectors C1 through C4, (C1-Black, C2-Gray, C3-White, C4-Green), each PCM connector has 38-pins. Two new tools are introduced to help in diagnosing and repairing the new PCM terminals and harness connectors. The Miller Terminal Removal Pick (3638) is introduced, you must use the Miller (3638) tool to release the connector terminals or harness and connector damage will occur. Also, the Miller Pinout Box (8815) is introduced, you must use the Miller (8815) tool to probe the PCM terminals or terminal damage will occur.