This bulletin provides the procedure for updating the automatic transmission TCU (Transmission Control...
Hyundai technical service bulletin 24-AT-001H-1 for 2022 Hyundai Tucson, 2021-2022 Hyundai Sonata Hybrid and 2022 Hyundai Santa Cruz.
- Bulletin number
- 24-AT-001H-1 (24-AT-001H-1)
- Component
- Power train
- Summary
- This bulletin provides the procedure for updating the automatic transmission TCU (Transmission Control Unit) software to improve shift quality, judder and hesitation when accelerating.
Owners of these vehicles have filed 161 complaints in the transmission category.
Vehicles covered
- Hyundai Tucson 2022 2022
- Hyundai Sonata Hybrid 2021-2022 20212022
- Hyundai Santa Cruz 2022 2022
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