July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!
U1204-00-RDM Lost Communication With DTCM: Notes
WARNING: This page is about a different car, the 2016 Chrysler 200. However, it is still accessible from the selected car via links, so may be relevant.
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article
.
Fig 1: Drive Train Control Module, Rear Driveline Module & Power Transfer Unit System Voltage Circuit Diagram