ABS Indicator

WARNING: This page is about a different car, the 2010 Pontiac G5 and 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.

The instrument panel cluster illuminates the Antilock Brake System (ABS) indicator when the following occurs:

The EBCM detects a malfunction with the antilock brake system. The instrument panel cluster receives a serial data message from the EBCM requesting illumination.
The instrument panel cluster performs the displays test at the start of each ignition cycle. The indicator illuminates for approximately 5 seconds.
The instrument panel cluster detects a loss of serial data communications with the EBCM.