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 the hybrid direct, 2-3-4 clutch slip speed is less than 50 RPM for 3 seconds, when commanded OFF.