Audi A6 2015–2018 — technical service bulletin
Bulletin A401890 2048266 · NHTSA communication 10153589 · issued Dec 13, 2018
Technical service bulletin
communication type
Structure
component
2015–2018
model years
14
vehicle entries
Official summary
This bulletin contains repair instructions for a rumbling/creaking noises from the front of the vehicle.
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.