Hello and welcome
1. run Auto-Scan
2. choose Applications
3. Optical Bus Diagnostics, here you can see the functions within the optical data bus.
Time to read https://www.ross-tech.com/vcds/tour/optical-bus.php
Looking in partslink, I didn't find this partnumber for this car. 02E 325 025 AD is the number I found.
So there was something changed from a newer car with EPB.
Try to change the coding from 02 Gear Box.
The other thing, did you changed the coding from Address 17: Instruments ?
Many different faults with voltage masseges, Coolant Fan Control Circuit 1 > Voltage terminal 30: 11.600 V
Starter Will Not Turn > Voltage terminal 30: 11.600 V
Address 19: CAN Gateway (J533) > Generator U1052 00  - No Communication and this massege:
[New feature! Extended...
Here is the auto-scan with the freeze frames in the ECU 02 transmission.
The stored speed is implausible.
Readings with ODIS showed other values.
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64
VCDS Version: 18.104.22.168 (x64)...
I need some admaps to compare from :
Address 20: High Beam Assist. (J844) Labels:| 8S0-857-511.clb
Part No SW: 7E0 857 511 F HW: 7E0 857 511 C
Component: FLA H10 0003
ASAM Datensatz: EV_HighBeamAssisAU316 001004