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.