Audi A4 2001–2004 — technical service bulletin
Bulletin AWA-08-04 · NHTSA communication 10025081 · issued Mar 5, 2008
Technical service bulletin
communication type
Engine and Engine Cooling
component
2001–2004
model years
12
vehicle entries
Official summary
Engine coolant temperature sensor warranty extension for certain 2001-2004 model year audi vehicles. *pe
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.