Check a VIN

February 20, 2026 Service bulletin

This bulletin provides information on VIN Plates, Safety Certification labels, and the ordering procedures.

Audi technical service bulletin TSB_2021205_10 for 2011-2025 Audi A4, 2011-2026 Audi A6 and 2011-2026 Audi Q5 and others.

Bulletin number
TSB_2021205_10
Component
Engine
Summary
This bulletin provides information on VIN Plates, Safety Certification labels, and the ordering procedures.

Owners of these vehicles have filed 1,463 complaints in the engine category.

Vehicles covered

VIN decoder

See the problems and recalls for an exact car

Buying a used Audi A4?

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

Check its history