Conditions for Setting the DTC
WARNING: This page is about a different car, the 2017 Chevrolet Spark. However, it is still accessible from the selected car via links, so may be relevant.
DTC C056E 41
This DTC will set if the operational software or calibration code (tuning parameter value) does not save in Flash.
DTC C056E 4B
This DTC will set if the power steering control module, motor or torque sensor has not been calibrated using the steering position / torque sensor calibration procedure.