Conditions for Setting the DTC
WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
- The difference between the predicted system pressure and the actual system pressure is more than 5 kPa.
OR
The difference between the predicted system pressure and the actual system pressure is less than -5 kPa.
- DTC P0411 sets within 22 seconds when the above conditions are met.