Technical Service Bulletin 25-01-060H-1 TSB — 2025 HYUNDAI TUCSON
ELECTRICAL SYSTEM
Bulletin Details
| TSB ID | 25-01-060H-1 TSB |
| Manufacturer | |
| Vehicle | 2025 HYUNDAI TUCSON |
| Component | ELECTRICAL SYSTEM |
| Communication Date |
Bulletin Summary
Certain Tucson (NX4M) 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.
About Technical Service Bulletins
A Technical Service Bulletin (TSB) is a document issued by a vehicle manufacturer to its dealers, describing a known issue with a specific vehicle or set of vehicles and the recommended procedure to fix it. Unlike recalls, TSBs are not mandatory and are typically only performed if an owner reports the related issue. However, TSBs can be an indicator of common problems with a vehicle.
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