Battery drain due to continuous operation of the cooling fan after vehicle ignition has been turned off,...
Hyundai technical service bulletin 26-EE-007H TSB for 2022-2026 Hyundai Tucson, 2020-2025 Hyundai Palisade and 2022-2026 Hyundai Tucson Hybrid.
- Bulletin number
- 26-EE-007H TSB
- Component
- Electrical system
- Summary
- Some Palisade (LX2), Tucson (NX4), and Tucson Hybrid (NX4 HEV) vehicles may experience battery drain due to continuous operation of the cooling fan after vehicle ignition has been turned off, potentially resulting in a no-start condition. The continuous cooling fan operation is caused by a stuck relay in the engine room PCB block. This bulletin provides instructions to replace the engine room PCB block to ensure the proper operation of the cooling fan.
Owners of these vehicles have filed 486 complaints in the electrical category.
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