Certain IONIQ 5 (NEA EV) vehicles may have 12V battery drainage due to the scheduled climate feature
Hyundai technical service bulletin 26-01-046H DCS for 2025-2026 Hyundai Ioniq 5.
- Bulletin number
- 26-01-046H DCS (LA25)
- Component
- Electrical system
- Summary
- Certain IONIQ 5 (NEA EV) vehicles may have 12V battery drainage due to the scheduled climate feature. Technical Service Bulletin (TSB) 26-01-046H provides instructions to perform a software update for the Vehicle Control Unit (VCU) to improve the logic of the scheduled climate reducing battery drainage.
Owners of these vehicles have filed 242 complaints in the electrical category.
Vehicles covered
- Hyundai Ioniq 5 2025-2026 20252026
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