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Jeep
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2009
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Commander Overland, 4WD
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Repair and Diagnosis
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Accessories & Equipment
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Memory Modules
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Memory Seat Module (MSMD) - Electrical Diagnostics
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DTC Troubleshooting
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U0197-Lost Communication With Hands Free Phone Module
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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
HANDS FREE MODULE (HFM) POWER AND GROUND
FCM NOT CONFIGURED CORRECTLY
HANDS FREE MODULE (HFM)
MODULE THAT SET THIS DTC