Theory Of Operation
WARNING: This page is about a different car, the 2015 Dodge Durango. However, it is still accessible from the selected car via links, so may be relevant.
The Steering Column Control Module (SCCM) is located near the top of the Steering Column underneath the Steering Wheel. The SCCM includes the Clockspring, the Multi-Function Switch and a LIN/CAN C Gateway. LIN Bus messages received by the LIN/CAN C Gateway are broadcast over the CAN C Bus to the appropriate modules.
The Steering Angle Sensor (SAS) for this vehicle is integral to the Steering Column Control Module (SCCM).