Hyundai XG300 2001–2002 — technical service bulletin
Bulletin 02360321 · NHTSA communication 10002238 · issued Jan 1, 2003
Technical service bulletin
communication type
Engine and Engine Cooling
component
2001–2002
model years
4
vehicle entries
Official summary
Ecm (engine control module) reprogramming instructions for p0139 and p0159 and reprogramming for smoother feeling initial acceleration. *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.