benandmarina.us › chrysler-tcm-resetChrysler tcm reset - benandmarina.us If your Chrysler was made before 2010, the TCM can probably be reset just by disconnecting the negative terminal, but if it is newer than 2010, it probably cant be done without a scan tool. Chrysler Wiring Basic Electronics Wiring Diagram The wiring diagram opens in a pop-up modal box. Notice : wiTECH Micropod 2 Chrysler diagnostic tool with V17.