One of the DTCs listed below, related to the high pressure electric oil pump (HP EOP). Follow the...
Hyundai technical service bulletin 25-AT-001H TSB for 2021-2022 Hyundai Sonata and 2021-2023 Hyundai Santa Fe.
- Bulletin number
- 25-AT-001H TSB
- Component
- Power train
- Summary
- Certain Santa Fe (TMA) and Sonata (DN8/DN8A) vehicles equipped with 8-speed dual clutch transmissions (8DCT) may exhibit one of the DTCs listed below, related to the high pressure electric oil pump (HP EOP). Follow the procedures in this TSB to update the Transmission Control Unit (TCU) to the latest sensorless logic on affected vehicles, and then perform air bleeding and transmission learning.
Owners of these vehicles have filed 203 complaints in the transmission category.
Vehicles covered
- Hyundai Sonata 2021-2022 20212022
- Hyundai Santa Fe 2021-2023 202120222023
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