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.
IMPORTANT:
The PCM detects engine movement by sensing the airflow through the mass air flow (MAF) sensor is more than 3 g/s.
The PCM detects a fault in the IC timing control circuit for more than 9 seconds.