Conditions for Setting the DTC
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 ECM detects that both camshafts on either bank of the engine are mis-aligned with the crankshaft, greater than 6 degrees, for greater than 4 seconds or a cumulative of 30 seconds.