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February 28, 2025 Service campaign

Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Bluelink functions

Hyundai technical service bulletin 25-01-018H TSB for 2024-2025 Hyundai Sonata, 2024-2025 Hyundai Santa Fe and 2025 Hyundai Tucson and others.

Bulletin number
25-01-018H 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 480 complaints in the electrical category.

Vehicles covered

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