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Home >> Jeep >> 2010 >> Commander Limited, 4WD >> Repair and Diagnosis >> Transmission >> Transfer Case >> Final Drive Control Module (FDCM) - Electrical Diagnostics >> DTC Troubleshooting >> C1400-Transfer Case Range Select Switch Performance >> Possible Causes

Possible Causes

Possible Causes 
(K504) DRIVETRAIN 5 VOLT SUPPLY CIRCUIT OPEN
(K504) DRIVETRAIN 5 VOLT SUPPLY CIRCUIT SHORTED TO GROUND
(K977) MODE SELECT CIRCUIT OPEN
(K977) MODE SELECT CIRCUIT SHORT TO GROUND
TRANSFER CASE SELECTOR SWITCH
FINAL DRIVE CONTROL MODULE