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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 15 (Engine Controls And Fuel - 2.4L - DTC P0114 To DTC P0604) >> Diagnostic Information and Procedures >> DTC P0231, P0232, or P023F: Fuel Pump Control Circuit (Fuel Pump Power Control Module) >> Conditions for Setting the DTC

Conditions for Setting the DTC

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P0231 

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

P0232 

The fuel pump power 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 power control module detects that the fuel pump current is less than 1A and the fuel pump duty cycle is greater than a calibrated threshold, 50 percent, for 1s.

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