Audi A6 2021–2022 — technical service bulletin
Bulletin Dealer 24iO R823 · NHTSA communication 10241490 · issued Aug 4, 2023
Technical service bulletin
communication type
Engine and Engine Cooling
component
2021–2022
model years
10
vehicle entries
Official summary
Dealer Letter to announce Campaign Circular Revision à ¢à  à  Emissions Service Action 24iO / Camshaft Position Sensors
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.