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Home >> Dodge and Ram >> 2008 >> Durango 4.7 P, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 74 (Final Drive Control Module (FDCM) - Electrical Diagnostics) >> DTC Troubleshooting >> C140D-Transfer Case Motor Control Circuit Open >> Possible Causes
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Possible Causes

WARNING: This page is about a different car, the 2009 Dodge Durango and 2009 Chrysler Aspen. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
(T315) STEP MOTOR CONTROL B CIRCUIT OPEN
(T316) STEP MOTOR CONTROL C CIRCUIT OPEN
(T315) STEP MOTOR CONTROL B CIRCUIT SHORTED TO VOLTAGE
(T316) STEP MOTOR CONTROL C CIRCUIT SHORTED TO VOLTAGE
TRANSFER CASE MOTOR
FINAL DRIVE CONTROL MODULE (FDCM)
WARNING: On vehicles equipped with the high voltage system, you must thoroughly read and follow all High Voltage Safety procedures. In addition, before performing any diagnostic or service procedure near a high voltage component, you must perform the High Voltage Power Down. Failure to follow these instructions may result in possible serious or fatal injury. Refer to Electrical - Engine Systems/Battery System - Warning