Audi Q7 2013–2015 — technical service bulletin
Bulletin A231744 2049168 · NHTSA communication 10133364 · issued Nov 22, 2017
Technical service bulletin
communication type
Engine and Engine Cooling
component
2013–2015
model years
3
vehicle entries
Official summary
This repair authorization is for the 3.0L TDI Generation 2.1 Approved Emissions Modification.
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.