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November 26, 2025 Service campaign

Certain Santa Fe (TMA), Sonata (LFA) and Tucson (TL) vehicles equipped with Theta II engines may exhibit...

Hyundai technical service bulletin 25-01-087H DN for 2019 Hyundai Sonata, 2019-2020 Hyundai Santa Fe and 2019-2021 Hyundai Tucson.

Bulletin number
25-01-087H DN (9C2)
Component
Engine
Summary
Certain Santa Fe (TMA), Sonata (LFA) and Tucson (TL) vehicles equipped with Theta II engines may exhibit elevated engine-out emissions.

Owners of these vehicles have filed 577 complaints in the engine category.

Vehicles covered

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