P1238 FORD - Fuel Pump Secondary Circuit Fault

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • 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 notes

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 sent on the communication link.

When is the code detected?

Fuel pump driver module has detected a fault in the fuel pump secondary circuit

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Engine will not start

P1238 Ford Description

This 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.

OBDII Code P1238 Ford - Fuel Pump Secondary Circuit Fault - AutoCodes.com

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Related Information

P1238 FORD Comments

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