Audi S4 2010–2011 — technical service bulletin
Bulletin A351416 2027363- · NHTSA communication 10122456 · issued May 1, 2014
Technical service bulletin
communication type
Electrical System
component
2010–2011
model years
4
vehicle entries
Official summary
Supersedes Technical Service Bulletin Group 35 number 13-11 dated June 11, 2013. One or multiple transmission-related concerns may be present. Harsh downshifting of multiple gears: 7-5, 4-3, 2-1. This may happen during just one of these shifts. A bump is felt after vehicle comes to a stop (2-1 downshift). Fluctuating engine speed after 5-4 shift with accelerator at 80-100% accelerator pedal position (kick-down). The driver information system displays the message "Gearbox complaint! Journey can be continued." After a key cycle the complaint is fixed. The vehicle was parked in gear lever positio
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.