Conditions for Setting 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.
The ECM detects that the CMP sensor pulses occur more than 11 crank degrees before, or 11 crank degrees after, nominal position for 24 out of 30 engine cycles.