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May 16, 2019 Service bulletin

Product improvement campaign - knock sensor detection system - ECU logic improvement (PI1803)

Kia technical service bulletin TSB_PI1803_R2 for 2012-2014 Kia Sorento, 2011-2014 Kia Optima and 2011-2013 Kia Sportage.

Bulletin number
TSB_PI1803_R2
Component
Engine and engine cooling
Summary
PRODUCT IMPROVEMENT CAMPAIGN - KNOCK SENSOR DETECTION SYSTEM - ECU LOGIC IMPROVEMENT (PI1803) - 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 3,756 complaints in the engine category.

Vehicles covered

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