Conditions for Running 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.

DTC P018B, P018C, P018D, P0231, P0232, P023F, P0641, P0606, P1255, P129E, or P12A6 are not active.
Fuel pump control is enabled and the fuel pump control state is normal.
The ignition voltage is between 11-32 V.
The engine has been running for greater than 30 s.
The engine fuel flow is not 0.
Low fuel level warning not present.
The DTC runs continuously when the conditions above are met.