Conditions for Running 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.

Before the engine control module (ECM) can report DTC P2636 failed, DTCs P0462, P0463, P2067, and P2068 must run and pass.
The ignition voltage is between 10-18 volts.
The engine speed is greater than 240 RPM.
DTC P2636 runs continuously when the above conditions exist for more than 4 minutes.