Audi TT 2001 — technical service bulletin
Bulletin 0005 · NHTSA communication 615871 · issued Nov 7, 2000
Technical service bulletin
communication type
Unknown OR Other
component
2001
model years
1
vehicle entries
Official summary
A condition may exist with the malfunction indicator light on with diagnostic trouble code p0411 secondary air system incorrect flow detected stored in memory. *tt
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.