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 hybrid powertrain control module detects that CKP engine speed has not risen above the commanded cranking speed indicating the engine has failed to start, or the hybrid powertrain control module detects CKP engine speed has fallen below a specific minimum speed indicating the engine has stalled.