Audi A6 2009–2016 — technical service bulletin
Bulletin Campaign Parts B · NHTSA communication 10149137 · issued Sep 28, 2018
Technical service bulletin
communication type
Engine
component
2009–2016
model years
19
vehicle entries
Official summary
3.0L TDI Emissions Recalls 23R8 Part supersession
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.