No Response From TCM (Transmission Control Module) - Nag1: Notes
WARNING: This page is about a different car, the 2016 Dodge Charger and 2015 Dodge Charger. 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
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Fig 1: TCM CAN C, Fused Ignition Switch, Ground, & Transmission Control Output Circuit Diagram