Conditions for Setting the DTC
WARNING: This page is about a different car, the 2011 GMC Yukon, 2011 Chevrolet Tahoe, and 2011 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
ECM
The ECM OSS signal and the ABS wheel speed sensor signals differ by greater than 10 km/h (6 mph) for greater than 8 seconds.
Hybrid Powertrain Control Module
The ECM OSS signal and the ABS wheel speed sensor signals differ by greater than 20 km/h (12 mph) for greater than 10 seconds.