Powertrain Control Module Location
WARNING: This page is about a different car, the 2004 Chrysler Intrepid, 2003 Dodge Intrepid, 2003 Chrysler Intrepid, 2003 Chrysler Concorde, and 2003 Chrysler 300M. However, it is still accessible from the selected car via links, so may be relevant.
PCM is located on left side of engine compartment. See Figure. PCM has four 38-pin color coded connectors, C1 through C4. PCM C1 connector is Black, C2 connector (no color given), C3 connector is White and C4 connector is a Green color.