Audi A6 2009–2016 — technical service bulletin
Bulletin AWC 17-34 · NHTSA communication 10153601 · issued Dec 17, 2018
Technical service bulletin
communication type
Engine and Engine Cooling
component
2009–2016
model years
20
vehicle entries
Official summary
This communication instructs dealers to contact the Technical Assistance Center if they encounter a MIL on before performing the TDI emissions modification. - REVISED 12/17/18 to apply to 3.0L models and to remove 2.0L models.
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.