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Home >> Jeep >> 2009 >> Commander Overland, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 106 (Driver Door Module (DDM) - Electrical Diagnostics) >> DTC Troubleshooting >> U0168-Lost Communication With Vehicle Security Control Module (Win) >> Possible Causes

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 
CAN B BUS CIRCUITS OPEN OR SHORTED
DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
SENTRY KEY REMOTE ENTRY MODULE (SKREEM/WCM) POWER AND GROUND
FCM NOT CONFIGURED CORRECTLY
VEHICLE SECURITY CONTROL MODULE (WIN)
MODULE THAT SET THIS DTC