Traction/Stability Control Indicator

WARNING: This page is about a different car, the 2018 Chevrolet Suburban 3500 HD. However, it is still accessible from the selected car via links, so may be relevant.

The instrument cluster turns the traction/stability control indicator ON when the following occurs:

The instrument cluster performs the bulb check.
The ABS system is in traction control or stability control mode.
The electronic brake control module detects a traction/stability control disabling malfunction and sends a serial data message to the instrument cluster requesting illumination.