Nissan Leaf Gen2 40kWh Battery Degradation
Nissan
Leaf
2018
EM57 Electric
⚡ 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 40kWh battery in Gen2 Leaf degrades slower than 24kWh but still lacks active liquid cooling. At 80,000-100,000 miles SOH typically stands at 85-90%. Check via Leaf Spy app before purchasing used. Replacement battery: £4,000-7,000.
Onarım / Çözüm
No confirmed fixes yet. Share yours below.
⚠️ Yanlış Teşhis mi?
No commonly reported misdiagnoses for this fault yet. If you have replaced a part that did not fix this Nissan Leaf 2018 problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.
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