Kia Niro 2023–2024 — technical service bulletin
Bulletin SC338_QA · NHTSA communication 11019731 · issued Jun 25, 2025
Technical service bulletin
communication type
Electrical System
component
2023–2024
model years
3
vehicle entries
Official summary
VOLUNTARY EMISSIONS SERVICE CAMPAIGN: QUESTION AND ANSWER (SC338) - This document is the Question and Answer Guide containing the most frequently asked questions regarding the Voluntary Emissions Service Campaign SC338.
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.