Circuit/System Description
WARNING: This page is about a different car, the 2018 GMC Terrain and 2018 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
The power steering control module continuously monitors the thermal cycle counter of the steering gear. If the module is replaced, the thermal cycle counter value needs to be transferred from the existing module over to the new module using the SPS Electric Power Steering Setup Procedure.
For an overview of the component/system, refer to: Power Steering System Description and Operation (Electronic Power Steering)