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Home >> Jeep >> 2009 >> Grand Cherokee SRT-8 >> 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 POWER OR GROUND
ELECTRONIC OVERHEAD MODULE
MODULE THAT SET THIS DTC
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