Hyundai Sonata 2002 — technical service bulletin
Bulletin 135 · NHTSA communication 10016475 · issued Sep 1, 2003
Technical service bulletin
communication type
Engine and Engine Cooling
component
2002
model years
1
vehicle entries
Official summary
2.7 v6 oxygen sensor wire rerouting. *sc
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.