Brad's Car Manuals
: A 3rd party mirror of CHARM + LEMON car manuals
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Jeep
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2009
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Commander Overland, RWD
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Repair and Diagnosis
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Engine Performance
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Ignition System
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Front Control Module (FCM) - Electrical Diagnostics
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DTC Troubleshooting
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U0168-Lost Communication With Vehicle Security Control Module (Win)
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Possible Causes
Possible Causes
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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
MODULE THAT SET THIS DTC