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Jeep
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2010
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Commander Limited, 4WD
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Repair and Diagnosis
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Engine Performance
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Engine Control Systems
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Front Control Module (FCM) - Electrical Diagnostics
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DTC Troubleshooting
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U0155-Lost Communication With Cluster/CCN
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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
CLUSTER/CCN POWER AND GROUND
CLUSTER/CCN
MODULE THAT SET THE DTC