Conditions for Setting the DTC

WARNING: This page is about a different car, the 2009 Pontiac Torrent and 2009 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.

Short to voltage, a short to ground, or open/high resistance on the CAN High serial data circuit.
Short to voltage,a short to ground, or open/high resistance on the CAN Low serial data circuit.
The yaw/lateral combination sensor fails an internal self test.
The correlation error between the yaw/lateral combination sensor and steering angle sensor.