Kia Optima 2019–2020 — technical service bulletin
Bulletin SC367_QA · NHTSA communication 11037390 · issued Sep 9, 2026
Technical service bulletin
communication type
Electrical System
component
2019–2020
model years
2
vehicle entries
Official summary
VOLUNTARY EMISSIONS SERVICE CAMPAIGN: QUESTION AND ANSWER (SC367) – This document is the Question and Answer Guide containing the most frequently asked questions regarding Voluntary Emissions Service Campaign SC367.
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.