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Home >> Cadillac >> 2017 >> XTS Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls And Fuel - 3.6L (LFX LF3) - Diagnostic Information And Procedures - DTC P0112 To P0507 >> Diagnostic Information and Procedures >> DTC P0231, P0232, or P023F: Fuel Pump Control Circuit (Chassis Control Module) >> Circuit/System Verification
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Circuit/System Verification

  1. Ignition ON.
  2. Verify the fuel pump turns ON and OFF when commanding the Fuel Pump Enable On and Off with a scan tool.
    • If the fuel pump does not turn ON and OFF 

      Refer to Circuit/System Testing.

    • If the fuel pump turns ON and OFF 
  3. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
  4. Verify the DTC does not set.
    • If the DTC sets 

      Refer to Circuit/System Testing.

    • If the DTC does not set 
  5. All OK.
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