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Home >> Chrysler >> 2020 >> 300 C >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 15 ((Electronic Shift Module (ESM) - Electrical Diagnostics - 8HP50/850RE Automatic Transmission)) >> DTC Troubleshooting >> U11C3-00-ESM Lost Communication With TCM On D-Pt Can >> Theory Of Operation

Theory Of Operation

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Electronic Shift Module (ESM) performs various internal tests to verify proper controller operation. This Diagnostic Trouble Code (DTC) indicates that an expected message was not received from the Transmission Control Module (TCM) on the CAN D-PT BUS.