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Home >> Jeep >> 2021 >> Grand Cherokee L Laredo, AWD >> Repair and Diagnosis >> Engine Performance >> System >> 3.6L - DTCS P2AF6 To U0428 >> Diagnosis And Testing >> U0109-Lost Communication With Fuel Pump Control Module >> When Monitored

When Monitored

The FPCM diagnostics run continuously when the module is powered up

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