Conditions for Setting the DTC
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 TCM OSS signal and the average ABS wheel speed sensor and the drive motor signals differ by greater than 10 km/h (6 mph) for greater than 10 seconds.