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Fiat
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2019
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500X Pop
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Repair and Diagnosis
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Engine Performance
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System
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1.3L - DTCS UO101 To U1504
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DTC Troubleshooting
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U0109-Lost Communication With Fuel Pump Control Module
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Default Action
Default Action
When this DTC is active, the FPCM will continue to run the Fuel Pump assembly at 80% duty cycle.
MIL light will illuminate.