Audi A3 Steering Assist fault

This tutorial is for those experiencing issues with this Steering Assist.

Error Codes:

02546: Steering limit stop no or incorrect basic setting/adaptation

00778: Steering Angle Sensor (G85)

Symptoms:

Heavy Steering

Steering light on dash

Tools Required for the job:

(1) VCDS

Guide:

1. Start the engine
2. Turn the steering wheel 180 degrees to the LEFT
3. Back to the middle
4. Turn the steering wheel 180 degrees to the RIGHT
5. Back to the middle (straight ahead)
6. Leave the Engine running
7. Open VCDS and go to 44-Steering Assist
8. Click Login/Security OR Coding II – & enter 31857. (should say security code accepted)
9. Click on Basic Settings
10. Enter 060 in the group and click go.
11. At the top Click ON/OFF few times.
12. Close window and click on Fault codes – now you should only see error “02546”.
13. Close VCDS.
14. While the engine still running, Turn the steering wheel full lock to the left and hold for 5 seconds.
15. Turn steering wheel to the right full lock and hold for 5 seconds.
16. Return to the middle.
17. Dash light should disappear immediately.

You may have to do same procedure in 03-ABS.