FixVault

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 
(T312) REAR DIFFERENTIAL SOLENOID CONTROL CIRCUIT SHORTED TO BATTERY VOLTAGE
(T312) REAR DIFFERENTIAL SOLENOID CONTROL CIRCUIT SHORTED TO THE (T301) SWITCHED BATTERY SOLENOID SUPPLY CIRCUIT
REAR DIFFERENTIAL SOLENOID
FINAL DRIVE CONTROL MODULE (FDCM)