Audi A3 Cabriolet 2016–2018 — technical service bulletin
Bulletin A171890 2050501_ · NHTSA communication 10133289 · issued Feb 22, 2018
Technical service bulletin
communication type
Suspension
component
2016–2018
model years
3
vehicle entries
Official summary
This bulletin contains repair instructions for when condensed water leaks near the rear axle.
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.