Hyundai Tucson NX4 PHEV High Voltage Battery Range Reduction
Hyundai
Tucson
2021
1.6 T-GDI PHEV
⚡ 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 13.8kWh PHEV battery in Tucson NX4 can show reduced EV range below 35 miles from new. Cell degradation or management software fault. Battery under warranty should be checked at dealer.
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 2021 problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.
🚗 More About This Vehicle
Explore more Hyundai models
Help other owners by sharing your experience.
Your real-world fix helps thousands of drivers worldwide. Takes 2 minutes.