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August 8, 2025 Service campaign

Battery drain due to faulty logic keeping the taillights illuminated while the vehicle is parked and...

Hyundai technical service bulletin 25-01-044H TSB for 2024-2025 Hyundai Kona Electric.

Bulletin number
25-01-044H TSB (TCWA)
Component
Exterior lighting
Summary
Some Kona Electric (SX2 EV) vehicles may experience battery drain due to faulty logic keeping the taillights illuminated while the vehicle is parked and turned off. Follow the procedures outlined in this TSB to update the Body Domain Controller (BDC) to the latest software.

Owners of these vehicles have filed 3 complaints in the lights category.

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