Transmission Control Module - 42RLE
WARNING: This page is about a different car, the 2010 Dodge Charger and 2010 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.
Courtesy of CHRYSLER LLC
The Transmission Control Module (TCM) is a sub-module within the Powertrain Control Module (PCM). The Powertrain Control Module (PCM) is located in the right rear of the engine compartment, just in front of the windshield.