P1238 - 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

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P1238 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 - Fuel Pump Secondary Circuit Fault - AutoCodes.com

P1238 Information for specific makes

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P1238 Comments

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