Conditions for Setting the DTC
WARNING: This page is about a different car, the 2019 Chevrolet Malibu. 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 control circuit is shorted to ground for 1 s.
P0232
The fuel pump driver control module detects that the fuel pump output 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 control circuit is open for 1 s.