Audi A4 2009–2012 — technical service bulletin
Bulletin A911767 2049742- · NHTSA communication 10133261 · issued Dec 12, 2017
Technical service bulletin
communication type
Electrical System
component
2009–2012
model years
18
vehicle entries
Official summary
This informational bulletin explains why an error message appears when using the AMI.
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.