Hyundai Santa FE Hybrid 2021–2023 — technical service bulletin
Bulletin 25-EM-002H TSB · NHTSA communication 11019684 · issued Jun 19, 2025
Technical service bulletin
communication type
Engine
component
2021–2023
model years
6
vehicle entries
Official summary
Certain 2020-2022MY Tucson Hybrid and Santa Fe Hybrid vehicles equipped with the 1.6T-GDI Gamma II HEV engine may experience an engine oil leak originating from the Continuous Variable Valve Duration (CVVD) Actuator Oil Seal. Follow the service procedure below to replace the CVVD Oil Seal.
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.