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Home >> Dodge and Ram >> 2009 >> Durango Hybrid >> Repair and Diagnosis >> Engine Performance >> Ignition System >> (Front Control Module (FCM) - Electrical Diagnostics) >> DTC Troubleshooting >> U0100-Lost Communication With ECM/Pcm >> 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
POWERTRAIN CONTROL MODULE (PCM)
PCM POWER AND GROUND
MODULE THAT SET THIS DTC
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