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Home >> Jeep >> 2023 >> Grand Cherokee L Laredo, AWD >> Repair and Diagnosis >> Engine Performance >> System >> 3.6L - DTCS P0221 To P032F >> DTC Troubleshooting >> P025B Fuel Pump Module Control Circuit Performance >> Default Action

Default Action

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

The table below shows the FPCM DTCs and the correlating INTENDED failure modes. NOTE: On some vehicles the faults may not always set as expected which may lead to a misdiagnosis (Review the know issue information). Therefore, it is usually best to perform the "Complete Fuel Pump Control Module System Testing (Not DTC Specific)" in the diagnostic procedure.