Kia Optima 2019 — technical service bulletin
Bulletin PI1805_TSB_R1 · NHTSA communication 10168952 · issued Nov 7, 2019
Technical service bulletin
communication type
Electrical System
component
2019
model years
3
vehicle entries
Official summary
TSB: PRODUCT IMPROVEMENT CAMPAIGN PI1805_R1: KNOCK SENSOR DETECTION SYSTEM (KSDS) - This bulletin has been revised to include additional information. LOGIC IMPROVEMENT (PI1805) - 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.
Vehicles covered
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.