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February 16, 2023 Service bulletin

Anti-theft s/w logic upgrade & decal installation (CS2303)

Kia technical service bulletin CS2303_TSB for 2011-2020 Kia Optima.

Bulletin number
CS2303_TSB
Component
Electrical system
Summary
TECHNICAL SERVICE BULLETIN CUSTOMER SATISFACTION: ANTI-THEFT S/W LOGIC UPGRADE & DECAL INSTALLATION (CS2303) - This bulletin provides the procedure to upgrade the software logic of the Integrated Body Control Unit (IBU) or Body Control Module (BCM) system on certain 2011-2015MY Optima (TF), 2012-2015MY Optima (QF) and 2016-2020MY Optima (JF, JFa) vehicles produced within the dates outlined on page 10, which may not be equipped with an immobilizer. This logic upgrade will add anti-theft ignition start logic to the vehicle's system operation.

Owners of these vehicles have filed 726 complaints in the electrical category.

Vehicles covered

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