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Home >> Dodge and Ram >> 2010 >> Nitro Detonator, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 59 ((Front Control Module (FCM) - Electrical Diagnostics)) >> DTC Troubleshooting >> U0168-Lost Communication With Vehicle Security Control Module (Win) >> Possible Causes
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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
FCM NOT CONFIGURED CORRECTLY
WIRELESS IGNITION NODE POWER AND GROUND
WIRELESS IGNITION NODE (WIN)
MODULE THAT SET THIS DTC