Conditions for Running the DTC

WARNING: This page is about a different car, the 2015 Chevrolet Trax and 2015 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.

Ignition ON, engine OFF (Prior to Ignition ON, the ignition must have been OFF for at least 5 seconds)
The engine is running for the run test