Audi A3 Cabriolet 2016–2017 — technical service bulletin
Bulletin A091701 2046321- · NHTSA communication 10128195 · issued Mar 6, 2017
Technical service bulletin
communication type
Electrical System
component
2016–2017
model years
6
vehicle entries
Official summary
This repair authorization is for DTC B12ECF2 and DTC B12EDF2 when the LED control module has had water access it.
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.