Kia Optima 2017–2019 — technical service bulletin
Bulletin TSB_FUE046 · NHTSA communication 10176922 · issued Jun 3, 2020
Technical service bulletin
communication type
Fuel System, Gasoline
component
2017–2019
model years
6
vehicle entries
Official summary
TECHNICAL SERVICE BULLETIN: COMBINATION TSB/SERVICE ACTION: AIR FILTER AND NVLD REPLACEMENT (SA421) - This bulletin provides the procedure to perform an evaporative leak test and replace the fuel tank air filter, and, if necessary, the Natural Vacuum Leak Detector (NVLD) on some Optima (JF HEV) vehicles, produced from June 27, 2016 through January 7, 2019, which may experience an evaporative leak concern with DTC P0456.
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.