Toyota Prius Gen3 Inverter Water Pump Failure
Toyota
Prius
2010
2ZR-FXE 1.8 Hybrid
⚡ Quick Summary
Severity Level
High
Safe to Drive?
🚫 Do NOT Drive
Safety Impact
Direct safety risk — affects safe operation of the vehicle
Urgency Level
🟠 Fix Soon
The electric water pump that cools the hybrid inverter on Gen3 Prius fails silently, causing inverter overheating and a hybrid system warning. The pump is separate from the engine cooling circuit. Replacement costs £150-300. Silent failure leads to expensive inverter damage if not caught.
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 Toyota Prius 2010 problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.
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