Can a faulty water pump trigger the Check Hybrid System warning in a Prius?

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Can a faulty water pump trigger the Check Hybrid System warning in a Prius?

A failing inverter water pump can cause overheating, leading to a system shutdown. How can Prius owners identify whether this warning is due to the water pump o r another hybrid system fault?

Lubaba asked on 14 Feb 2025 14:43:40 pm

1 Answer

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Car Mechanic Expert - on 14 Feb 2025 15:08:44 pm

Yes, a failing inverter water pump can cause the hybrid system to overheat, triggering the Check Hybrid System warning. If this happens, it’s critical to address the water pump issue immediately to avoid further damage to the inverter.