Audi A5 2025–2026 — technical service bulletin
Bulletin TSB_2079930_3 · NHTSA communication 11027394 · issued Dec 17, 2025
Technical service bulletin
communication type
Electrical System
component
2025–2026
model years
12
vehicle entries
Official summary
This bulletin provides a software update when there are various messages in the instrument cluster; 00C5 cannot be reached; U02AB00/U042200.
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.