Data Communication Unit (DCU) software error due to the internal timer initialization logic not being...
Genesis technical service bulletin 26-01-012G TSB for 2025-2026 Genesis G80.
- Bulletin number
- 26-01-012G TSB (T73G)
- Component
- Electrical system
- Summary
- Certain G80 (RG3) 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 3 complaints in the electrical category.
Vehicles covered
- Genesis G80 2025-2026 20252026
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