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August 4, 2020 Service bulletin

Product improvement

Kia technical service bulletin PI1802_TSB_R12 for 2015-2018 Kia Sorento, 2014-2018 Kia Optima and 2014-2018 Kia Sportage.

Bulletin number
PI1802_TSB_R12
Component
Engine and engine cooling
Summary
PRODUCT IMPROVEMENT - TSB_PI1802_R2 - Knock Sensor Detection System - ECU Logic Improvement - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information related to a software update to the Engine Control Unit (ECU) to install the Knock Sensor Detection System (KSDS) in order to protect the engine from excessive connecting rod bearing damage.

Owners of these vehicles have filed 3,861 complaints in the engine category.

Vehicles covered

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