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Home >> Jeep >> 2009 >> Commander Overland, 4WD >> Repair and Diagnosis >> Body & Frame >> Mirrors >> Driver Door Module (DDM) - Electrical Diagnostics >> DTC Troubleshooting >> B1854-Driver Window Control Circuit Low >> Possible Causes
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Possible Causes

Possible Causes 
(Q311) DRIVER WINDOW EXPRESS UP DRIVER CIRCUIT SHORT TO GROUND
(Q321) DRIVER WINDOW EXPRESS DOWN DRIVER CIRCUIT SHORTED TO THE (Q311) DRIVER WINDOW EXPRESS UP DRIVER CIRCUIT
WINDOW MOTOR SHORTED
DRIVER DOOR MODULE (DDM)
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