Kia Optima 2016–2020 — technical service bulletin
Bulletin WTY028_OWNR · NHTSA communication 10216905 · issued Jul 29, 2022
Technical service bulletin
communication type
Fuel System, Gasoline
component
2016–2020
model years
5
vehicle entries
Official summary
WARRANTY EXTENSION: OWNER NOTIFICATION - This document is the owner notification advising that Kia is extending the New Vehicle Limited Warranty coverage for repairs related to low-pressure fuel pump failure in 2016-2020 MY Optima vehicles manufactured at a Kia assembly plant in the U.S. from 5 years / 60,000 miles to 15 years / 150,000 miles, whichever comes first, starting from the date the vehicle was first put into service.
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.