Audi Q4 E-Tron 2022–2025 — technical service bulletin
Bulletin TSB_2079298_1 · NHTSA communication 11023815 · issued Sep 12, 2025
Technical service bulletin
communication type
Electrical System
component
2022–2025
model years
8
vehicle entries
Official summary
This bulletin provides informaiton when there are moisture deposits in the taillights.
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.