Check a VIN

October 23, 2025 Emissions

Voluntary emissions service campaign: dealer parts and service manager memo (SC340)

Kia technical service bulletin SC340_DPSM for 2016-2020 Kia Sorento, 2016-2020 Kia Optima and 2017-2022 Kia Sportage.

Bulletin number
SC340_DPSM (SC340)
Component
Electrical system
Summary
VOLUNTARY EMISSIONS SERVICE CAMPAIGN: DEALER PARTS AND SERVICE MANAGER MEMO (SC340) - This document is the announcement to the dealer Parts and Service managers advising that Kia is conducting a Voluntary Emissions Service Campaign to improve the emissions software logic in the Electronic Control Module (ECM) to ensure compliance with emissions regulations in certain 2017-2022 MY Sportage vehicles manufactured from December 10, 2015, through December 7, 2021, certain 2016-2020 MY Optima vehicles manufactured from August 28, 2015, through June 23, 2020, and certain 2016-2020 MY Sorento vehicles manufactured from October 27, 2014, through November 4, 2020, equipped with 2.4L Theta GDI engines.

Owners of these vehicles have filed 660 complaints in the electrical category.

Vehicles covered

VIN decoder

See the problems and recalls for an exact car

Buying a used Kia Sorento?

Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.

Check its history