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Home › Jeep › 2010 › Grand Cherokee SRT-8 › Repair and Diagnosis › Engine Performance › Engine Control Systems › (Front Control Module (FCM) - Electrical Diagnostics) › DTC Troubleshooting › U0168-Lost Communication With Vehicle Security Control Module (Win) › Possible Causes

Possible Causes

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
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