Audi A5 2025 — technical service bulletin
Bulletin TSB_2079927_1 · NHTSA communication 11026254 · issued Nov 10, 2025
Technical service bulletin
communication type
Engine
component
2025
model years
3
vehicle entries
Official summary
This bulletin provides a software update when the exhaust emissions warning lamplights up - DTC P050A; 2.0 ltr. 4-cyl. TFSI.
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.