Volkswagen Jetta 2019 — technical service bulletin
Bulletin V0121012060925_1 · NHTSA communication 10185659 · issued Jan 11, 2021
Technical service bulletin
communication type
Electrical System
component
2019
model years
1
vehicle entries
Official summary
ECM software update for various fault codes.
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.