Hyundai IONIQ Hybrid 2017–2019 — technical service bulletin
Bulletin 20-FL-002H · NHTSA communication 10174804 · issued Apr 13, 2020
Technical service bulletin
communication type
Engine and Engine Cooling
component
2017–2019
model years
3
vehicle entries
Official summary
Certain Ioniq hybrid 2017-2019 vehicles may experience check engine light â ONâ with the following DTC stored: DTC P0456 - Evaporative System (EVAP) - Very Small Leak This bulletin provides instructions to install an Air Filter Kit and a Natural Vacuum Leak Detection sensor (NVLD).
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.