Kia Carnival 2025 — technical service bulletin
Bulletin SC333_OWNR · NHTSA communication 11019468 · issued Jun 7, 2025
Technical service bulletin
communication type
Engine
component
2025
model years
1
vehicle entries
Official summary
VOLUNTARY EMISSIONS SERVICE CAMPAIGN: OWNER NOTIFICATION (SC333) - This document is the owner notification advising that Kia is conducting a Voluntary Emissions Service Campaign to improve the emissions software logic in the Electronic Control Module (ECM) on certain 2025 MY Carnival vehicles equipped with 3.5L Gas Direct Injection (GDI) engines to ensure compliance with emissions regulations.
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.