Check a VIN

January 2, 2019 Service bulletin

Knock sensor detection system - ECU logic improvement (PI1803)

Kia technical service bulletin VPI1803_TSB_R1 for 2012-2014 Kia Sorento, 2011-2014 Kia Optima and 2011-2013 Kia Sportage.

Bulletin number
VPI1803_TSB_R1
Component
Engine and engine cooling
Summary
PRODUCT IMPROVEMENT CAMPAIGN: KNOCK SENSOR DETECTION SYSTEM - ECU LOGIC IMPROVEMENT (PI1803) - This bulletin has been revised to include additional information. 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

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