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Home >> Dodge and Ram >> 2009 >> Durango Base, 3.7 K >> Repair and Diagnosis >> Electrical >> Horns >> (Front Control Module (FCM) - Electrical Diagnostics) >> DTC Troubleshooting >> U0199-Lost Communication With Driver Door Module >> Possible Causes
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Possible Causes

Possible Causes 
CAN B BUS CIRCUITS OPEN OR SHORTED
DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
FCM NOT CONFIGURED CORRECTLY
DRIVER DOOR MODULE (DDM)
DRIVER DOOR MODULE POWER AND GROUND
MODULE THAT SET THE DTC
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