If you’re lucky and you have the tow bar and the controllers from the same car then it should just work. Let me know if you need the instruction document
You can’t parameterise the tow controller without vcp so if the button isn’t lighting up this is what you’ll need to do.
The other coding you can do via VCDS - it’s fairly simple to make the changes following the instruction file - if you don’t have it PM me your email and I’ll send it over
So after nearly 12 months of pain I've finally got this working. For anyone following in my footsteps wanting to install a genuine retractable towbar here's how to do it. If you only want to perform coding for a removable towbar (using genuine Audi parts to connect to the CAN bus) then you can...
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