Conditions for Setting the DTC
WARNING: This page is about a different car, the 2017 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
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 control circuit voltage is greater than 3.86 V for 0.5 s when the voltage should be 0 V.
P023F
The fuel pump driver control module detects that the fuel pump current is less than 0.5 A and the fuel pump duty cycle is greater than 20 percent for 1 s.