Kia Sorento 2016–2020 — technical service bulletin

Bulletin SC340_OWNR_UM103 · NHTSA communication 11026900 · issued Dec 19, 2025

Technical service bulletin

communication type

Engine

component

2016–2020

model years

vehicle entries

Official summary

VOLUNTARY EMISSIONS SERVICE CAMPAIGN: OWNER NOTIFICATION (SC340 FLIGHT 103 / UM) - 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) for certain 2016-2020 MY Sorento vehicles equipped with 2.4L Gas Direct Injection (GDI) engines to ensure compliance with emissions regulations.

Vehicles covered

2016 Kia Sorento
2017 Kia Sorento
2018 Kia Sorento
2019 Kia Sorento
2020 Kia Sorento

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.