Audi A3 2017–2018 — technical service bulletin
Bulletin TSB_2050723_8 · NHTSA communication 11025324 · issued Oct 17, 2025
Technical service bulletin
communication type
Power Train
component
2017–2018
model years
5
vehicle entries
Official summary
This bulletin provides information when there is a gearbox malfunction warning; DTC P0C2900 in the TCM.
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.