Certain Tucson Hybrid (NX4 HEV) and Tucson Plug-in Hybrid (NX4 PHEV) vehicles may exhibit a Data...
Hyundai technical service bulletin 25-01-057H TSB for 2025 Hyundai Tucson Hybrid and 2025 Hyundai Tucson Plug-In Hybrid.
- Bulletin number
- 25-01-057H TSB (TDF)
- Component
- Electrical system
- Summary
- Certain Tucson Hybrid (NX4 HEV) and Tucson Plug-in Hybrid (NX4 PHEV) vehicles may exhibit a Data Communication Unit (DCU) software error due to the internal timer initialization logic not being implemented. The DCU module may shut down telematics services after one year. This bulletin provides instructions to perform a software update for the DCU module.
Owners of these vehicles have filed 58 complaints in the electrical category.
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