No TAIL LIGHTS on Tailgate? (Audi Q7 Diag & Repair)

European Special!
This 2014 Audi Q7 TDI is missing the tail and brake lights on the tailgate.
No, the bulbs are not burned out :)

We have to fight computers with computers to figure out the logic behind the tail lights.
Will any parts be required?

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Enjoy!
Ivan

Видео No TAIL LIGHTS on Tailgate? (Audi Q7 Diag & Repair) канала Pine Hollow Auto Diagnostics