Audi A5 2025 — technical service bulletin
Bulletin TSB_2079926_3 · NHTSA communication 11035821 · issued Jul 2, 2026
Technical service bulletin
communication type
Electrical System
component
2025
model years
12
vehicle entries
Official summary
This bulletin provides information when various assist systems not working - software update - cluster 3 - 03.10.00/C (28.13.01) KD2.
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.