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Emergency
KNOWN FAULT · Toyota

Prius inverter coolant pump

Sources are not verified in real time and no entry confirms that your car is affected.

Engine / equipment
Hybrid inverter cooling circuit
Period mentioned
2003–2015
Symptoms
Hybrid-system warning, a fan that keeps running with the car off and a risk of the inverter overheating.
Possible cause described
The electric pump of the inverter circuit can fail; without circulation, the inverter and transmission overheat. Using a coolant other than specified can clog the passages.
Check for the garage
Check the inverter reservoir level and whether the coolant circulates, read the codes and test the pump before condemning the inverter; ask Toyota about campaigns for the VIN.
Cost cited in the source
No verified estimate; ask the garage for a quote.A rough figure from the original database, not an up-to-date quote.

Sources from the original database

Has this happened to you?

Anonymous answer, no personal data.

Frequently asked questions

How much does it cost to repair this fault?

No verified estimate; ask the garage for a quote.

A rough figure from the original database, not an up-to-date quote.

Calculate estimate
How is it checked?

Check the inverter reservoir level and whether the coolant circulates, read the codes and test the pump before condemning the inverter; ask Toyota about campaigns for the VIN.

What are the symptoms?

Hybrid-system warning, a fan that keeps running with the car off and a risk of the inverter overheating.

Which cars and years does it affect?
Brands
Toyota
Engine / equipment
Hybrid inverter cooling circuit
Period mentioned
2003–2015

Taking it to a garage?

Find garages near you and, before you say yes, check whether the quote is reasonable.

Models with this entry

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