How was the steering angle sensor reset?? Simply moving the steering wheel from lock to lock right & left probably won't do it. I just had a scan tell me the steering angle sensor needed to be initialized (DTC C1174 & C1175). I did the left right lock to lock with no positive result. However, thinking that this may require a driving cycle like so may other codes to reset I drove my car a few hundred yards moving the steering wheel to full lock right three or four times and back to center. Then when I straightened out and drove just ten or twenty yards the dash warning lights went off and I was back to normal.
You may have to take your car for a short drive moving the wheel to full lock then back to center several times after doing the normal reset procedure to clear the light.