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Home >> Jeep >> 2019 >> Grand Cherokee Trackhawk >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> 6.2L - DTCS P0139 To P0440 >> DTC Troubleshooting >> P025B-Fuel Pump Module Control Circuit Performance >> Possible Causes

Possible Causes

Possible Causes
FUEL PUMP CONTROL MODULE

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  . 

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