Possible causes – Faulty Fuel Pump Drive Module (FPDM)– FPDM harness is open or shorted– FPDM circuit poor electrical connection– Faulty Powertrain Control Module (PCM) Tech description Note: For LS6/LS8 and Thunderbird, the FPDM functions are incorporated in the Rear Electronics Module (REM). Also, the REM does not use an FPM circuit. Diagnostic information is…