This bulletin provides the procedure to update the TCU software to improve drivability and shift quality.
Hyundai technical service bulletin 22-01-059H for 2021-2022 Hyundai Sonata, 2021-2022 Hyundai Santa Fe and 2022 Hyundai Santa Cruz.
- Bulletin number
- 22-01-059H
- Component
- Power train
- Summary
- This bulletin provides the procedure to update the TCU software to improve drivability and shift quality.
Owners of these vehicles have filed 249 complaints in the transmission category.
Vehicles covered
- Hyundai Sonata 2021-2022 20212022
- Hyundai Santa Fe 2021-2022 20212022
- Hyundai Santa Cruz 2022 2022
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