Prius Inverter Pump Failure

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.

Prius inverter pump failure.

A revised pump is available for 2004 2006 models toyota service bulletin eg001 07. The pump s dc brushless motor can fail internally causing permanent or intermittent failure. 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.

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. Pumps that are now failing are rearing their ugly heads. I recommend checking that the connections to the 12v are properly secured and not horribly corroded either. Inverter failure with code p0a08 p0a09.

These codes can mean that the hybrid inverter has failed or the 12v battery is weak improperly connected. Our technicians tell us the power inverter coolant pump should be replaced if this occurs. The pump can also seize if it s run dry. Toyota prius 2009 04 the inverter coolant pump frequently requires replacement due to stalling of the original internal im.

95 people reported this problem. The toyota prius inverter pump replacement was covered by toyota for model years 2004 2007. 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.