Kia Optima 2014–2018 — technical service bulletin
Bulletin VPI1802_DP · NHTSA communication 10143471 · issued Jul 16, 2018
Technical service bulletin
communication type
Engine
component
2014–2018
model years
14
vehicle entries
Official summary
DEALER PRINCIPAL NOTICE - This notice advised the dealer principal of the new Product Improvement Campaign to perform a software update to the Engine Control Unit (ECU) 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.