Kia Optima 2011–2014 — technical service bulletin
Bulletin VPI1803_DP · NHTSA communication 10147424 · issued Oct 25, 2018
Technical service bulletin
communication type
Electrical System
component
2011–2014
model years
10
vehicle entries
Official summary
PRODUCT IMPROVEMENT CAMPAIGN (PI1803) - DEALER PRINCIPAL LETTER - Attention: All Kia Dealer Principals, Kia is conducting a 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.