DSC light on. steering angle sensor error code : no ouput or misconnection?

[goldenbird]

While stationery and immediately after doing some coding, the 4x4 bulb comes on. the error code was something related to SAS not receiving power. The mechanic told me there might be a misconnection in the wiring or the sensor itself is faulty. he tested and find out no wiring problem and concluded that the sas have 2b replaced. I am not convinced.as he told me he cannot reset the error code !!! He tried then the lock to lock calibration and it didn't work. I searched for that fault code involving sas not powered or no output and could not find the related code. I wanted to concentrate my research based on that exact code bcs most thread I've read was not based on a specific DCS error code. Looking for any helpful info