Kia Optima 2019 — technical service bulletin
Bulletin PI1805_TSB · NHTSA communication 10167212 · issued Oct 28, 2019
Technical service bulletin
communication type
Engine and Engine Cooling
component
2019
model years
3
vehicle entries
Official summary
PRODUCT IMPROVEMENT CAMPAIGN (PI1805) - TSB: 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.