Loss of connectivity or interruptions in the middle of using Bluelink functions
Hyundai technical service bulletin 26-01-035H TSB for 2024-2026 Hyundai Sonata, 2024-2026 Hyundai Santa Fe and 2025-2026 Hyundai Tucson and others.
- Bulletin number
- 26-01-035H TSB (9C0)
- Component
- Electrical system
- Summary
- Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Bluelink functions. This may be due to an occasional disconnection on Verizon’s communication network. Follow the procedures in this bulletin to verify Bluelink Data Communication Unit (DCU) network connection and if needed, reset the DCU in Dealer Mode to resolve the connection.
Owners of these vehicles have filed 643 complaints in the electrical category.
Vehicles covered
- Hyundai Sonata 2024-2026 202420252026
- Hyundai Santa Fe 2024-2026 202420252026
- Hyundai Tucson 2025-2026 20252026
- Hyundai Palisade 2026 2026
- Hyundai Ioniq 5 2025-2026 20252026
- Hyundai Kona 2024-2026 202420252026
- Hyundai Sonata Hybrid 2024-2026 202420252026
- Hyundai Tucson Hybrid 2025-2026 20252026
- Hyundai Santa Cruz 2025-2026 20252026
- Hyundai Santa Fe Hybrid 2024-2026 202420252026
- Hyundai Kona Electric 2024-2026 202420252026
- Hyundai Tucson Plug-In Hybrid 2025-2026 20252026
- Hyundai Ioniq 5 N 2025-2026 20252026
- Hyundai Palisade Hybrid 2026 2026
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