Conditions for Running 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 ignition switch is in the Crank or Run position.
- The system voltage is between 9-18 volts.
- These DTCs run on a 100 ms loop.
- DTCs P0412 and P0418 run continuously when the above conditions are met.