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What is the Transmission ECU?

5K views 3 replies 4 participants last post by  galaxee 
#1 ·
I have just had my 2005 Prius serviced. 47463kms

I was informed that a new “Transmission ECU” will be fitted under warranty – “Attention to 1 code in system, Transmission ECU code. Ordered new Transmission ECU, coming ex-Japan be here approx 2 weeks.” appears on the Invoice/Repair details.

My search only says that it is the "[Parking ECU]" - Is that all it does?

I have a publication that says - Transmission description: Continuously Variable Transmission, electronically controlled" - Could a faulty TxECU have an adverse effect on consumption?
 
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