Audi A6 2021 — technical service bulletin
Bulletin TSB_2078439_1 · NHTSA communication 11021465 · issued Jul 1, 2025
Technical service bulletin
communication type
Electrical System
component
2021
model years
16
vehicle entries
Official summary
This TSB provides informaiton when the Audi virtual cockpit is black, or the message "Instrument cluster: fault" is displayed; DTC B200049 - Control Module faulty.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.