Conditions for Setting the DTC
WARNING: This page is about a different car, the 2011 GMC Yukon, 2011 Chevrolet Tahoe, and 2011 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
The ECM detects 4 CMP pulses occur more than 11 crank degrees before, or 11 crank degrees after nominal position for 24 out of 30 engine cycles.