Audi A3 2017–2018 — technical service bulletin
Bulletin Circular34L4Rev2 · NHTSA communication 10247507 · issued Dec 14, 2023
Technical service bulletin
communication type
Power Train
component
2017–2018
model years
3
vehicle entries
Official summary
Transmission Control Module (TCM) Software - Updated parts and claiming information
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.