Kia Sedona 2019–2020 — technical service bulletin
Bulletin TSBFUE042 · NHTSA communication 10165623 · issued Sep 12, 2019
Technical service bulletin
communication type
Fuel System, Gasoline
component
2019–2020
model years
2
vehicle entries
Official summary
TSB: SERVICE ACTION: 3.3 GDI ULEV ECU MIL WITH DTC P0456 LOGIC IMPROVEMENT (SA397) - This bulletin provides the procedure to improve the logic of the Engine Control Module (ECM) on some 2019-2020MY Sedona (YP) 3.3 GDI 8AT ULEV vehicles, produced from February 13, 2018 through August 27, 2019, which may exhibit an ECM MIL ON 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.