Audi S4 2010–2011 — technical service bulletin
Bulletin Dealer Letter - · NHTSA communication 10122377 · issued Apr 21, 2014
Technical service bulletin
communication type
Power Train
component
2010–2011
model years
4
vehicle entries
Official summary
This communication is to inform you of upcoming Update 24AS. On Audi vehicles manufactured within a specific period the ECM software needs to be updated to address customer complaints of driveability and rough idle.
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.