Conditions for Running the DTC

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.

The ignition must be in the RUN or ACC position.
The system voltage is at least 9.5 V and no more than 15.5 V.
All the above conditions are present for greater than 10 seconds.