Conditions for Setting the DTC: HPCM
WARNING: This page is about a different car, the 2009 GMC Sierra and 2009 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
The ECM OSS signal and the ABS wheel speed sensor signals differ by greater than 10 km/h (6 mph) for greater than 10 seconds.