problem with the steering wheel or rack?

[4sfail4]

After the winter, I replaced the rear shock absorber; it was leaking. You can hear the shock absorber knocking in the first video. After a while, the steering wheel started making noise when turning the steering wheel, but there were no errors on the dashboard.
After 4 months, an error appeared on the instrument panel.
Power steering malfunction. You can continue driving, but contact a service center.
IMG_1858.jpg
после подключения диагностики получили вот такие коды ошибок
U223200
U112100
C10AC07

Has anyone else experienced a similar sound when turning the steering wheel? What did you change, and how did you solve the problem?
I've been driving with this sound since March.

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[4sfail4]

STEERING
2020-03-23 Instructions for greasing the steering column bellows in the event that there is noise from the column.
2020-06-16 Instructions on how to rework the steering wheel cover in the event that there are squeaks from the area.
2020-07-20 Instructions for reworking the steering wheel in the event that a cracking noise can be heard when touching the steering wheel cover.
2021-05-27 Porsche intranet posting with preliminary information for Porsche Workshop campaign WME3 Workshop campaign with customer notification - retrofit electrical steering column adjustment.
So far I've found this information, I'll check it out over the weekend.