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I've looked around to find solutions to this issue but haven't been able to find any, I have a 2016 A4 B9 2.0 TDI S-tronic Quattro, I get some weird errors every 2 to 6 months from my dynamic/active steering, sometimes when I am driving, sometimes when I am parking the car. If I stop the engine, close the car for 5 minutes, the errors disappear from the dashboard and the car is running normal again for 2 to 6 months.
I checked my car at 3 different Audi workshops, 2 of them told me that the car has no problem (the errors did not appear when they tested the car), and the other said that the issue might be fixed by replacing the steering system (3000 euros).
If someone had the same or similar problem, how did you fixed it? Below is the scan log from obd11: 1B Active Steering
Trouble codes: U111800 - Data set missg. static Priority: 5 Malfunction frequency counter: 1 Unlearning counter: 89 Dynamic environmental data: 000000C200005FFF7802F8122000000000A5
C110FF7 - Motor for active steering locked Intermittent Date: 2021-11-21 15:54:55 Mileage: 146999 km Priority: 4 Malfunction frequency counter: 1 Unlearning counter: 130 Dynamic environmental data: 35FDB776000021FFE3C0EC00FD2CB0280000
C110FF8 - Motor for active steering Functional restriction due to missing initialization Intermittent Priority: 6 Malfunction frequency counter: 1 Unlearning counter: 130 Dynamic environmental data: 000000C5000021FF46000000005C030B0000
Well, since active steering option requires a second electric motor(installed on the steering column), and the fault refer to that electric motor, you might try to check that one first.
Well, since active steering option requires a second electric motor(installed on the steering column), and the fault refer to that electric motor, you might try to check that one first.
You could try to dissasemble the existing motor and see what is wrong with it. Some errors are due faulty initialization there. Don't buy anything before you are sure what is wrong with yours.
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Dynamic/active steering errors
