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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 P0602 To P1047
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DTC Troubleshooting
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P0628-Fuel Pump Control Circuit Low
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Set Condition
Set Condition
The Fuel Pump Control Module (FPCM) detects excessive current draw on the Fuel Pump PWM Control circuit indicating that the Fuel Pump PWM Control circuit is shorted to ground.