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Home >> Chevrolet >> 2018 >> Suburban 3500 HD LT >> Repair and Diagnosis >> External Pages >> Different car >> Section 2 (Engine Controls And Fuel - 5.3L (L83) Or 6.2L (L86) - DTC P0010 To DTC P0442) >> Diagnostic Information And Procedures >> DTC P0231, P0232 Or P023F: Fuel Pump Control Circuit >> Conditions for Setting the DTC

Conditions for Setting the DTC

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P0231 

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

P0232 

The fuel pump driver control module detects that the fuel pump output circuit voltage is greater than 4.0 V for 1 s when the voltage should be 0 V.

P023F 

The fuel pump driver control module detects that the fuel pump current is less than 1 A and the fuel pump duty cycle is approximately 30 - 60% for 1 s.

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