Audi A4 2017 — technical service bulletin
Bulletin Circular 96G4 · NHTSA communication 10203178 · issued Nov 2, 2021
Technical service bulletin
communication type
Electrical System
component
2017
model years
3
vehicle entries
Official summary
Update the gateway control module software. In rare cases, the gateway control module may require replacement.
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.