Kia Optima 2014–2015 — technical service bulletin
Bulletin VPI1802_WTY · NHTSA communication 10145157 · issued Aug 29, 2018
Technical service bulletin
communication type
Engine
component
2014–2015
model years
5
vehicle entries
Official summary
PRODUCT IMPROVEMENT CAMPAIGN (PI1802) - WARRANTY BULLETIN - KMA launched Product Improvement Campaign PI1802A on July 25, 2018 to perform a software update on certain vehicles with 2.4L GDI engines to alert vehicle drivers at an early stage of bearing wear to prevent severe engine 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.