Kia Carnival 2025 — technical service bulletin
Bulletin SC333_DPSM · NHTSA communication 11019467 · issued Jun 5, 2025
Technical service bulletin
communication type
Fuel/propulsion System
component
2025
model years
1
vehicle entries
Official summary
VOLUNTARY EMISSIONS SERVICE CAMPAIGN: DEALER PARTS AND SERVICE MANAGER MEMO (SC333) - This document is the announcement to the dealer Parts and Service managers advising that Kia is conducting a Voluntary Emissions Service Campaign on certain 2025 MY Kia Carnival vehicles equipped with 3.5L Gas Direct Injection (GDI) engines manufactured from April 15, 2024 to November 27, 2024 to improve the emissions software logic in the Electronic Control Module (ECM) 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.