Conditions for Setting the DTCs
WARNING: This page is about a different car, the 2018 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.
P0243
The ECM detects an open circuit on the turbocharger wastegate solenoid control circuit for greater than 2 s.
P0245
The ECM detects a short to ground on the turbocharger wastegate solenoid control circuit for greater than 2 s.
P0246
The ECM detects a short to voltage on the turbocharger wastegate solenoid control circuit for greater than 2 s.