Audi A4 Allroad 2011–2013 — technical service bulletin
Bulletin A911757 2039476 · NHTSA communication 10133372 · issued Nov 6, 2017
Technical service bulletin
communication type
Equipment
component
2011–2013
model years
9
vehicle entries
Official summary
This bulletin is hardware update for vehicles that can no longer receive 2G service from T Mobile
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.