Hyundai Santa FE 1999–2001 — technical service bulletin
Bulletin 03010112 · NHTSA communication 10005645 · issued Jan 1, 2004
Technical service bulletin
communication type
Engine and Engine Cooling
component
1999–2001
model years
4
vehicle entries
Official summary
2.5/2.7l v6 engine titanium o2 sensors (campaign v01) - revised tsb version 2. *tt
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.