Mike's Workshop Manuals
: Service manuals for every vehicle
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Jeep
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2020
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Grand Cherokee Trackhawk
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Repair and Diagnosis
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Engine Performance
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System
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6.2L - DTCS P2A0C To U1440
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DTC Troubleshooting
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U0109-Lost Communication With Fuel Pump Control Module
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Set Condition
Set Condition
The Powertrain Control Module (PCM) detects a fault in the Fuel Pump Control System.