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

Diagnostic Test

ACTIVE DTC 

  1. Turn the ignition on, engine not running.
  2. With the scan tool, read DTCs.

    Is the DTC active?

    Yes 

    • Replace the Fuel Pump Control Module in accordance with the service information.
    • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .

    No