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Home >> Jeep >> 2009 >> Commander Overland, 4WD >> Repair and Diagnosis >> Body & Frame >> Windows >> Passenger Door Module (PDM) - Electrical Diagnostics >> DTC Troubleshooting >> B1DA7-Switch Power Supply Circuit Low >> Possible Causes

Possible Causes

Possible Causes 
LOW VOLTAGE ENGINE DTC
(A931) FUSED B(+) OR (Z908) GROUND CIRCUIT HAS HIGH RESISTANCE
PASSENGER DOOR MODULE (PDM)