Kia Seltos 2021–2023 — technical service bulletin
Bulletin SC336YZ_TSB · NHTSA communication 11022843 · issued Sep 4, 2025
Technical service bulletin
communication type
Engine
component
2021–2023
model years
6
vehicle entries
Official summary
This bulletin provides information related to the Technical Service Bulletin previously published under SC336 titled “Engine Inspection/Replacement and ECM Logic Improvement”.
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.