Hyundai Accent 2007 — technical service bulletin
Bulletin TSB-08-01-030 · NHTSA communication 10028226 · issued Dec 1, 2008
Technical service bulletin
communication type
Engine and Engine Cooling
component
2007
model years
1
vehicle entries
Official summary
Hyundai: to update the engine software to address vehicles which may experience rough idling during the initial cold start up period and illuminate the malfunction indicator lamp (mil) with dtc p0300. *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.