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Jeep
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2021
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Cherokee Latitude Plus, 4WD
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Repair and Diagnosis
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Engine Performance
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System
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2.4L - DTCS U0102 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
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
Default Action
The MIL will illuminate.
When this DTC is active, the FPCM will continue to run the Fuel Pump assembly at 80% duty cycle.