2005 Toyota Prius Q&A

2005 Toyota Prius Question: cost to replace coolant valve

how much to replace 3-way coolant valve and do inverter coolant service -
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The Check Engine Light may illuminate with a fault code P1121 stored. It is commonly caused by a failed three way coolant control valve. Valve replacement is recommended if this occurs.
Also what is the diagnostic code for the control valve? Thank you again