Conditions for Running the DTC

WARNING: This page is about a different car, the 2009 GMC Sierra and 2009 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

The engine is running.
Ignition voltage is 8-18 V.
The vehicle speed is less than 200 km/h (124 mph) for 5 seconds.