Audi A4 2012–2014 — technical service bulletin
Bulletin Update24AD · NHTSA communication 10249076 · issued Oct 21, 2013
Technical service bulletin
communication type
Engine and Engine Cooling
component
2012–2014
model years
12
vehicle entries
Official summary
ECM Software Update
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.