April 13, 2026 Service bulletin

This bulletin provides information when the volume control cannot be operated; background lighting is not...

Audi technical service bulletin TSB_2079999_2 for 2025 Audi Q5, 2025 Audi A5 and 2025 Audi S5 and others.

Bulletin number: TSB_2079999_2
Component: Electrical system
Summary: This bulletin provides information when the volume control cannot be operated; background lighting is not working; DTC U11B900.

Owners of these vehicles have filed 64 complaints in the electrical category.

Vehicles covered

See the problems and recalls for an exact car

Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.