Conditions for Setting the DTC
WARNING: This page is about a different car, the 2008 Pontiac G5 and 2008 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
- The actual and expected states of the AIR solenoid relay control circuit, DTC P0412, or the AIR pump relay control circuit, DTC P0418, do not match.
- The condition exists for at least 2 seconds.