Audi Q4 E-Tron 2024–2026 — technical service bulletin
Bulletin TSB_2080398_1 · NHTSA communication 11028418 · issued Jan 13, 2026
Technical service bulletin
communication type
Electrical System
component
2024–2026
model years
6
vehicle entries
Official summary
This bulletin provides a combined software update for Q4; 5.4.3.
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.