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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 >> U0156-Lost Communication With EOM >> Possible Causes

Possible Causes

Possible Causes 
CAN B BUS CIRCUITS OPEN OR SHORTED
DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
FCM NOT CONFIGURED CORRECTLY
ELECTRONIC OVERHEAD MODULE (EOM)
ELECTRONIC OVERHEAD MODULES POWER OR GROUND
MODULE THAT SET THIS DTC
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