Conditions for Running the DTCs

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.

Voltage at the modules is in the normal operating voltage range.
The vehicle power mode requires serial data communication to occur.
The DTC U2100 does not have a current status.