Audi A6 2013–2016 — technical service bulletin
Bulletin AWA-18-01 201806 · NHTSA communication 10144659 · issued Jun 18, 2018
Technical service bulletin
communication type
Engine and Engine Cooling
component
2013–2016
model years
13
vehicle entries
Official summary
This bulletin explains the extended emissions warranty for TDI vehicles modified under Campaign 23V4. The parts list was updated to include service numbers.
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.