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Home >> Jeep >> 2009 >> Commander Overland, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 106 (Driver Door Module (DDM) - Electrical Diagnostics) >> DTC Troubleshooting >> B1D4C-Memory Switch Input Circuit High >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2009 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
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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