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Guss_81

Used Engine Control Units

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I have a corolla verso with a P0420 Cat fault which according to Service Bulletin EG-5010 needs the ECU and cat to be replaced.

I can not believe that Toyota can not update the software on the ECU as it is such a basic operation so I'm not going to pay for a new one unless I have no other options. Does anyone know if control units are interchangeable i.e. can I fit a used one?

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