Prius Inverter Pump Failure

These codes can mean that the hybrid inverter has failed or the 12v battery is weak improperly connected.

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

Inverter failure with code p0a08 p0a09. 95 people reported this problem. This recall ended november 30th 2013. The pump s dc brushless motor can fail internally causing permanent or intermittent failure.

Toyota stands behind the effectiveness and appropriateness of the prius inverter recall remedy which was designed to ensure operation of the vehicle in failsafe driving mode in the unlikely event. Part 601 015 application summary. Toyota prius 2009 04 the inverter coolant pump frequently requires replacement due to stalling of the original internal im. The toyota prius inverter pump replacement was covered by toyota for model years 2004 2007.

A revised pump is available for 2004 2006 models toyota service bulletin eg001 07. The pump can also seize if it s run dry. Our technicians tell us the power inverter coolant pump should be replaced if this occurs.