Prius Inverter Pump Failure

I recommend checking that the connections to the 12v are properly secured and not horribly corroded either.

Prius inverter pump failure.

95 people reported this problem. Toyota prius 2009 04 the inverter coolant pump frequently requires replacement due to stalling of the original internal im. Inverter failure with code p0a08 p0a09. A revised pump is available for 2004 2006 models toyota service bulletin eg001 07.

Part 601 015 application summary. The pump can also seize if it s run dry. This recall ended november 30th 2013. Toyota expands prius recall reveals up to 20 000 hybrid inverters failed roger hogan left and sons roger hogan and stephen hogan at their family dealership toyota of claremont.

Toyota prius inverter water pump recall all hybrids have inverters assemblies that translate high voltage direct current dc of the battery into alternating current ac for the motor generator s. The power inverter coolant pump may fail resulting in illumination of the check engine light associated with fault code p0a93 stored. The chopping and reconstituting of current creates heat which must be dissipated for the components to last. Our technicians tell us the power inverter coolant pump should be replaced if this occurs.

The prius has warning lights on the dash and may or may not drive but diagnostic code p0a08 not to be confused with hybrid battery code p0a80 and or p0a09 code are logged. The pump s dc brushless motor can fail internally causing permanent or intermittent failure. The toyota prius inverter pump replacement was covered by toyota for model years 2004 2007.