Conditions for Running DTC

WARNING: This page is about a different car, the 2016 Buick LaCrosse. However, it is still accessible from the selected car via links, so may be relevant.

Ignition On/Vehicle in Service Mode.
The system voltage is 9-16 V
DTC B101E is not set as current in the Human Machine Interface Control Module
The test is run once during Human Machine Interface Control Module wake up