Audi A6 2014 — technical service bulletin
Bulletin Circular 26L9 · NHTSA communication 10164237 · issued Aug 21, 2019
Technical service bulletin
communication type
Engine and Engine Cooling
component
2014
model years
4
vehicle entries
Official summary
Exhaust Gas Recirculation (EGR) Cooler
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.