Kia Optima 2016–2022 — technical service bulletin
Bulletin SC340_POC · NHTSA communication 11024467 · issued Oct 23, 2025
Technical service bulletin
communication type
Engine
component
2016–2022
model years
17
vehicle entries
Official summary
Voluntary emissions service campaign: sc340_poc: proof of correction card
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.