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Home >> Jeep >> 2011 >> Liberty Renegade, Part Time >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> Driver Door Module (DDM) (DMFL/R) - Electrical Diagnostics >> DTC Troubleshooting >> B1856-Driver Window Motor Control Circuit Open >> Possible Causes
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Possible Causes

Possible Causes 
(Q21) DRIVER WINDOW DRIVER (DOWN) CIRCUIT OPEN
(Q11) DRIVER WINDOW DRIVER (UP) CIRCUIT OPEN
WINDOW MOTOR (REGULATOR)
DRIVER DOOR MODULE (DDM)