Certain Tucson (NX4) vehicles may experience a battery discharge due to logic error within the Central...
Hyundai technical service bulletin 25-01-021H TSB for 2025 Hyundai Tucson.
- Bulletin number
- 25-01-021H TSB (TCT)
- Component
- Electrical system
- Summary
- Certain Tucson (NX4) vehicles may experience a battery discharge due to logic error within the Central Communication Unit (CCU). This bulletin provides instructions to update both subsystems (MCU/AP) related to the CCU to improve the logic of the CCU.
Owners of these vehicles have filed 70 complaints in the electrical category.
Vehicles covered
- Hyundai Tucson 2025 2025
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