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.

The engine is operating.
The ignition voltage is between 10-18 volts.
The engine speed is between 400-5,000 RPM.
The DTCs run continuously when the conditions are met for greater than 1 second.