Conditions for Setting the DTC: P050A
WARNING: This page is about a different car, the 2009 Pontiac Torrent and 2009 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
The actual idle speed is a 100 RPM less than the desired idle speed, or 200 RPM greater than the desired idle speed during catalyst heating for greater than 4 seconds, or for a cumulative time of 30 seconds.