Kia Optima 2014–2015 — technical service bulletin
Bulletin VPI1802_TSB_R2 · NHTSA communication 10145156 · issued Sep 24, 2018
Technical service bulletin
communication type
Electrical System
component
2014–2015
model years
5
vehicle entries
Official summary
PRODUCT IMPROVEMENT CAMPAIGN (PI1802) - TSB - KNOCK SENSOR DETECTION SYSTEM - ECU LOGIC IMPROVEMENT (PI1802) - 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.
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.