LEMON Manuals
: Even more car manuals for everyone: 1960-2025
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Jeep
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2009
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Commander Limited, 4.7 P, 4WD
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Repair and Diagnosis
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Body & Frame
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Windows
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Passenger Door Module (PDM) - 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
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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