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Home >> Jeep >> 2009 >> Compass Limited, EDG, Standard >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> (Cabin Compartment Node (CCN) - Electrical Diagnostics) >> DTC Troubleshooting >> P0838-Four Wheel Drive (4WD) Switch Circuit Low >> Possible Causes

Possible Causes

Possible Causes 
(K77) TRANSFER CASE POSITION SENSOR INPUT CIRCUIT SHORTED TO GROUND
(K77) TRANSFER CASE POSITION SENSOR INPUT CIRCUIT OPEN
(Z940) GROUND CIRCUIT OPEN
TRANSFER CASE SELECTOR SWITCH
INSTRUMENT CLUSTER (CCN)