Conditions for Setting the DTC: Overview

WARNING: This page is about a different car, the 2008 GMC Yukon and 2008 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.

A short to voltage, short to ground or an open/high resistance is detected on a wheel speed sensor circuit.
A missing wheel speed sensor signal
An erratic signal output of the wheel speed sensor is detected.
The EBCM detects a change in wheel speed that exceeds 20 km/h (12 mph) between two 10 millisecond wheel speed samples.