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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls And Fuel - 2.0L (LTG) - DTC P0010 To DTC P0333 >> Diagnostic Information and Procedures >> DTC P0231, P0232, or P023F: Fuel Pump Control Circuit >> Conditions for Setting the DTC

Conditions for Setting the DTC

P0231 

The fuel pump driver control module detects that the fuel pump current is greater than 14.48A for 1s.

P0232 

The fuel pump driver control module detects that the fuel pump output circuit voltage is greater than 4.5V for 0.5s when the voltage should be 0V.

P023F 

The fuel pump driver control module detects that the fuel pump current is less than 1A and the fuel pump duty cycle is greater than approximately 50 percent for 1s.