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BRZ First-Gen (2012+) -- General Topics All discussions about the first-gen Subaru BRZ coupe


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Old 10-14-2021, 05:31 AM   #1
DoofyBrd
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Question OFT Problems

Hi, I'm having a problem reflashing my car. I gave it a stage 1 tune a couple of months ago. I recently upgraded to Uel Catless headers, and every time I connect my oft to my car it says ECU number mismatch! Every time I plug my oft into my computer it says the device has never been used. I don't know what to do and I am stuck. Please help! Also is it bad to drive in stage 1 with cat-less headers and a cat-back exhaust?
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Old 10-15-2021, 01:06 PM   #2
spcmafia
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Originally Posted by DoofyBrd View Post
Hi, I'm having a problem reflashing my car. I gave it a stage 1 tune a couple of months ago. I recently upgraded to Uel Catless headers, and every time I connect my oft to my car it says ECU number mismatch! Every time I plug my oft into my computer it says the device has never been used. I don't know what to do and I am stuck. Please help! Also is it bad to drive in stage 1 with cat-less headers and a cat-back exhaust?

Try flashing back to stock and then re-download all the tune files. Maybe also update your software I spent 30 minutes yesterday updating my device because Im doing a revision on my tune.

Does you OFT allow you to "Read" you ECU?
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