Audi A3 2013–2015 — technical service bulletin
Bulletin Circular 37K8 · NHTSA communication 10176450 · issued Jun 4, 2020
Technical service bulletin
communication type
Electrical System
component
2013–2015
model years
5
vehicle entries
Official summary
Transmission control module (TCM) software designed and certified for a similar model/model year was used in vehicles affected by this action. It is undetermined whether there could be an impact to emissions.
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.