Action Taken When the DTC Sets
WARNING: This page is about a different car, the 2006 Buick LaCrosse and 2006 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
- The HVAC control module will recalibrate the appropriate actuator each time the ignition switch is turned ON.
- If DTC B0424 is set, the HVAC control module will command the recirculation door to the outside air position.