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Hyundai Tucson 48V Mild Hybrid Battery Fault — Hyundai Tucson 2020 | MyCarFault
⚪ UNSOLVED No confirmed fix yet · Be the first to help

Hyundai Tucson 48V Mild Hybrid Battery Fault

Hyundai Tucson 2020 1.6 T-GDI 48V
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⚡ Quick Summary
Severity Level
Medium
Safe to Drive?
✅ Safe to Drive
Safety Impact
No direct safety impact reported by owners
Urgency Level
🟡 Monitor Closely

The 48V mild hybrid battery in newer Tucson develops cell imbalance faults, triggering a hybrid system warning and reduced fuel economy. The 48V LiIon battery is a separate unit from the main 12V system. Replacement costs £800-1,800.

Repair / Solution

No confirmed fixes yet. Share yours below.

⚠️ Wrong Diagnosis?

No commonly reported misdiagnoses for this fault yet. If you have replaced a part that did not fix this Hyundai Tucson 2020 problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.

🚗 More About This Vehicle

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