Kia Optima 2015–2018 — technical service bulletin
Bulletin VSC152_QA · NHTSA communication 10145164 · issued Sep 6, 2018
Technical service bulletin
communication type
Equipment
component
2015–2018
model years
4
vehicle entries
Official summary
Questions and answers - sc152 ? Vehicle emission control (veci) label replacement voluntary emissions service campaign
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.