Whilst messing with module [55 - Headlight Range], I caused the system to fault out. High-beam assist became inoperative as well. I replaced the long coding to the original factory settings but was still getting a "Calibration missing - Basic setting" fault in VCDS. To fix this perform the following steps (from memory so excuse any mis-wording):
1. Select [Basic Settings - 04] in modele [55 - Headlight Range]
2. Select [Basic Setting] from the pull down menu
3. Click GO and wait for acknowledgement that the function performed properly
4. Select [Acknowledge Basic Setting] from the pull down menu
5. Click GO and wait for acknowledgement that the function performed properly
6. Exit Basic settings and clear any existing DTCs listed under [Faults]
7. Close the controller and exit VCDS
8. Verify proper operation by turn headlights off/on and activating High-Beam Assist.
Hope this helps someone with the same or similar issues that I had.
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