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Home >> Dodge and Ram >> 2009 >> Durango Base, 3.7 K >> Repair and Diagnosis >> Engine Performance >> Ignition System >> (Front Control Module (FCM) - Electrical Diagnostics) >> DTC Troubleshooting >> U0101-Lost Communication With TCM >> Possible Causes

Possible Causes

Possible Causes 
CAN B OR CAN C BUS CIRCUITS OPEN OR SHORTED
DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
FCM NOT CONFIGURED CORRECTLY
TCM (PCM)
TCM POWER AND GROUND
MODULE THAT SET THIS DTC
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