Audi A4 Allroad 2017–2018 — technical service bulletin
Bulletin A481775 2049656- · NHTSA communication 10133249 · issued Dec 5, 2017
Technical service bulletin
communication type
Electrical System
component
2017–2018
model years
3
vehicle entries
Official summary
This bulletin contains a software update to address DTC C115C54 , C110EF0, or U042800 with a yellow steering lamp warning on in the DIS.
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.