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Jeep
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2009
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Commander Sport, 3.7 K, 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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U0164-Lost Communication With HVAC Control Module
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Set Conditions
Set Conditions
Set Condition:
Bus messages not received from the A/C Heater Control (HVAC) for approximately two to five seconds.