Conditions for Setting the DTC
WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. 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 4 kPa.
- DTC P0411 sets within 22 seconds when the above condition is met.