Audi A5 2025 — technical service bulletin
Bulletin TSB_2078849_2 · NHTSA communication 11027408 · issued Dec 18, 2025
Technical service bulletin
communication type
Engine
component
2025
model years
6
vehicle entries
Official summary
This bulletin provides information regarding the oil change necessary when replacing an engine control unit.
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.