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Home › Fiat › 2021 › 500X Pop › Repair and Diagnosis › Engine Performance › System › 1.3L - DTCS P1E08 To U0109 › DTC Troubleshooting › U0109-Lost Communication With Fuel Pump Control Module › 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.