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March 17, 2026 Emissions

Voluntary emissions service campaign: owner notification (SC340 flight 104 )

Kia technical service bulletin SC340_OWNR_JF&JFA_104 for 2016-2020 Kia Optima.

Bulletin number
SC340_OWNR_JF&JFA_104 (SC340)
Component
Electrical system
Summary
VOLUNTARY EMISSIONS SERVICE CAMPAIGN: OWNER NOTIFICATION (SC340 FLIGHT 104 ) - 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 Optima vehicles equipped with 2.4L Gas Direct Injection (GDI) engines to ensure compliance with emissions regulations.

Owners of these vehicles have filed 199 complaints in the electrical category.

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