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Home >> Jeep >> 2009 >> Commander Overland, 4WD >> Repair and Diagnosis >> Body & Frame >> Windows >> Driver Door Module (DDM) - Electrical Diagnostics >> DTC Troubleshooting >> U1000-Can B Bus (+) Circuit >> Possible Causes

Possible Causes

Possible Causes 
ACTIVE CAN B BUS DTCs IN FRONT CONTROL MODULE (FCM)
(D55) CAN B BUS (+) CIRCUIT OPEN TO DRIVER DOOR MODULE
DRIVER DOOR MODULE