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Certain Santa Cruz (NXT) vehicles may exhibit a Data Communication Unit (DCU) software error due to the...

Hyundai technical service bulletin 25-01-079H-1 DCS for 2025-2026 Hyundai Santa Cruz.

Bulletin number: 25-01-079H-1 DCS (LA2)
Component: Electrical system
Summary: Certain Santa Cruz (NXT) 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. Technical Service Bulletin (TSB) 25-01-079H-1 provides instructions to perform a software update for the DCU module.

Owners of these vehicles have filed 4 complaints in the electrical category.

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