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Home >> Jeep >> 2009 >> Commander Overland, 4WD >> Repair and Diagnosis >> Body & Frame >> Windows >> Driver Door Module (DDM) - Electrical Diagnostics >> DTC Troubleshooting >> B1D4C-Memory Switch Input Circuit High >> Possible Causes

Possible Causes

Possible Causes 
(P439) MEMORY SELECT SWITCH MUX CIRCUIT SHORTED TO VOLTAGE
(G161) LEFT DOOR LOCK SWITCH MUX CIRCUIT SHORTED TO VOLTAGE (LHD)
(G160) RIGHT DOOR LOCK SWITCH MUX CIRCUIT SHORTED TO VOLTAGE (RHD)
DRIVER WINDOW/DOOR LOCK SWITCH
DRIVER DOOR MODULE
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