Battery drain due to the air conditioning controller not shutting down completely while the vehicle is...
Hyundai technical service bulletin 25-01-076H TSB for 2024-2026 Hyundai Sonata Hybrid.
- Bulletin number
- 25-01-076H TSB (TEBA)
- Component
- Electrical system
- Summary
- Certain Sonata Hybrid (DN8 HEV) vehicles may experience battery drain due to the air conditioning controller not shutting down completely while the vehicle is parked and turned off. This bulletin provides instructions to perform a software update for the ATCU (Air Temperature Control Unit).
Owners of these vehicles have filed 6 complaints in the electrical category.
Vehicles covered
- Hyundai Sonata Hybrid 2024-2026 202420252026
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