Audi A4 2001–2004 — technical service bulletin
Bulletin 0526 · NHTSA communication 10018221 · issued Nov 16, 2005
Technical service bulletin
communication type
Power Train
component
2001–2004
model years
11
vehicle entries
Official summary
Authorization requirements for automatic transmissions. *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.