Conditions for Setting the DTC
WARNING: This page is about a different car, the 2008 GMC Yukon and 2008 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.
The HPCM detects that CKP engine speed has not risen above the commanded cranking speed indicating the engine has failed to start, or the HPCM detects CKP engine speed has fallen below a specific minimum speed indicating the engine has stalled.