This bulletin provides the procedure for updating the automatic transmission TCU and ECU software (Santa...
Hyundai technical service bulletin 24-AT-001H for 2021-2022 Hyundai Sonata, 2021-2022 Hyundai Santa Fe and 2022 Hyundai Tucson and others.
- Bulletin number
- 24-AT-001H
- Component
- Power train
- Summary
- This bulletin provides the procedure for updating the automatic transmission TCU and ECU software (Santa Fe ONLY) to improve shift quality, judder with ISG enabled and hesitation when accelerating.
Owners of these vehicles have filed 313 complaints in the transmission category.
Vehicles covered
- Hyundai Sonata 2021-2022 20212022
- Hyundai Santa Fe 2021-2022 20212022
- Hyundai Tucson 2022 2022
- Hyundai Santa Cruz 2022 2022
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