Audi A6 2011–2013 — technical service bulletin
Bulletin A91166920395157 · NHTSA communication 10095083 · issued Sep 7, 2016
Technical service bulletin
communication type
Electrical System
component
2011–2013
model years
6
vehicle entries
Official summary
This bulletin is hardware update for vehicles that can no longer receive 2g service from t mobile
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.