[BabeH]

I have been searching around but nobody know.
just found a post in China but the info are useless.


Assume that your hardware and software should still fine.
Take out part 1.2.3. shown in the photo.
In [3] there is a white gearwheel, make sure the hole is pointing to the middle teeth on the copper disc.

   

Install back everything, use diagnose tool to read data steam,
check if the angle reading is correct.
Then clear all fault codes.