Conditions for Running the DTC

WARNING: This page is about a different car, the 2010 GMC Sierra and 2010 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: The ECM detects engine movement by sensing the airflow through the mass air flow (MAF) sensor when airflow is greater than 3 gps or by sensing camshaft position sensor pulses.

DTC P0101, P0102, P0103, P0340, P0341, P0641, or P0651 is not set.
The engine is cranking or running.
The DTC runs continuously when the above conditions are met.