Porsche Cayenne 958 S Hybrid HV Battery Degradation
Porsche
Cayenne
2010
3.0 Supercharged Hybrid
⚡ 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 1.7kWh NiMH hybrid battery in 958 S Hybrid degrades at high mileage causing hybrid system warnings and reduced fuel economy. Battery replacement costs £2,500-5,000.
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 Porsche Cayenne 2010 problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.
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