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Home >> Chrysler >> 2012 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 6 (Electronic Shift Module (ESM) - Electrical Diagnostics - 8HP45 Automatic Transmission) >> DTC Troubleshooting >> U0100-00-Lost Communication With ECM/Pcm >> Possible Causes

Possible Causes

WARNING: This page is about a different variant/trim than selected.
Possible Causes
PCM - INTERNAL ERROR
CAN BUS CIRCUITS OPEN OR SHORTED
DTCS RELATED TO BATTERY VOLTAGE, IGNITION OR VIN MESSAGES
POWERTRAIN CONTROL MODULE POWER AND GROUND
MODULE THAT SET THIS DTC

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  STANDARD PROCEDURE  . 

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