Hyundai Elantra 2021–2023 — technical service bulletin
Bulletin 24-FL-003H · NHTSA communication 10252354 · issued Mar 4, 2024
Technical service bulletin
communication type
Engine and Engine Cooling
component
2021–2023
model years
5
vehicle entries
Official summary
This bulletin contains the software update procedure for the Engine Control Unit (ECU) on certain 2021-2023MY Elantra (CN7) and 2022-2023MY Kona (OS) vehicles equipped with the 1.6 liter T-GDI Gamma 2 engine, that may exhibit a warning lamp with one or more of the DTCs listed below: â ¢ P250F - Engine Oil Level Too Low â ¢ P011B, P050C - Engine Coolant Temperature/intake Air Temperature Correlation â ¢ P00B7, P2B60 - Engine Coolant Flow Low/Performance
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.