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Hi and welcome, if you did not do already, clear all faults, remove battery for 10 minutes and do another check after a test drive for remaining faults?
Are there any lights warning/faults visible on the dashboard? No lights are already a good sign…..
If you drive curves is there a rattling in the rear?
Depending on above I would check the vtg motor to see if the plastic gear is worn out, if yes, turn it 180 degree or replace it… add some grease too, not too much.
Also replace the vtg oil wirh original vtg oil…
Afterwards teach/calibrate the vtg motor and resett the oil with your tester (assuming it has those functionalities)
I dont know your tester but found out that various tester show different results, one shows issues and the other doesn’t…. Maybe you can cross check….
Good luck
Ralph
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