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Replacing ECU, what’s required?


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As above really. Do they need to ‘coded’ to the engine? 

If so, is this something that can be done through Techstream? 

I don’t really want to fit it until I have all the info. Thanks 

 

its for an IS220D 

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You might want to checkout the US site "ClubLexus" as even though they prob don't have many/any DERV's over there they prob have had more occasions to change ECU's simply due to numbers on the road.

https://www.clublexus.com/forums/is-2nd-gen-2006-2013-163/

paul m.

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