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Home >> Jeep >> 2021 >> Grand Cherokee Trackhawk >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> 6.2L - DTCS P0443 To P0688 >> DTC Troubleshooting >> P064A-Fuel Pump Control Module >> Possible Causes

Possible Causes

Possible Causes
FPCM FUEL PUMP CONTROL CIRCUIT SHORTED TO GROUND
FUEL PUMP ASSEMBLY

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  . 

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