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December 10, 2025 Service campaign

Hyundai Motor America is currently investigating an ongoing issue with software GDS event #1302

Hyundai technical service bulletin TEB/TEBA DCS for 2024-2026 Hyundai Sonata and 2024-2026 Hyundai Sonata Hybrid.

Bulletin number
TEB/TEBA DCS (TEB TEBA)
Component
Electrical system
Summary
Hyundai Motor America is currently investigating an ongoing issue with software GDS event #1302. The matter is being investigated. We will provide an update once the issue is resolved and the suspension is lifted.

Owners of these vehicles have filed 26 complaints in the electrical category.

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