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2023
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Grand Cherokee Altitude, AWD
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Repair and Diagnosis
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External Pages
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Different variant/trim
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Section 53 (2.0L - DTCS P253F To U0109)
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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
WARNING:
This page is about a different variant/trim than selected.
The MIL will illuminate.
When this DTC is active, the FPCM will continue to run the Fuel Pump assembly at 80% duty cycle.