P1238 2000 FORD F150 - Fuel Pump Secondary Circuit Fault
- Faulty Fuel Pump Driver Module (FPDM)
- Fuel Pump Driver Module (FPDM) harness is open or shorted
- Fuel Pump Driver Module (FPDM) circuit poor electrical connection
- Faulty fuel pump
Tech notesNote: 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 sent on the communication link.
P1238 indicates that the FPDM has detected a fuel pump secondary circuit fault. The FPDM will send a message to the PCM through the FPM circuit, indicating that this failure has been detected. The PCM will set the DTC when the message is received.
When is the code detected?Fuel pump driver module has detected a fault in the fuel pump secondary circuit
- Engine Light ON (or Service Engine Soon Warning Light)
- Engine will not start
P1238 2000 Ford F150 DescriptionThis DTC indicates the Fuel Pump Driver Module (FPDM2) detected a fuel pump secondary circuit concern. The FPDM2 sends a message to the powertrain control module (PCM) through the fuel pump monitor (FPM2) circuit, indicating this concern was detected. The PCM sets the DTC when the message is received.
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