Audi A3 2017–2018 — technical service bulletin
Bulletin Dealer34L4_REV1 · NHTSA communication 10245541 · issued Nov 3, 2023
Technical service bulletin
communication type
Power Train
component
2017–2018
model years
3
vehicle entries
Official summary
Transmission Control Module (TCM) Software - Updated repair steps after software update is completed. Added example photos of transmission damage.
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.