Quote:
Originally Posted by wparsons
Most (or all) dealerships don't have the tools to check if the ECU has been tuned. If you take it in with the modified EcuTek tune, they wouldn't be able to flash over it, but if you flashed back to stock they wouldn't know. The only way they could tell that would be to disassemble the full memory of the ECU, and no one at a dealership is doing that. I bet they would have to send the ECU off to the actual manufacturer, not even a Toyota/Subaru head office.
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yes, I should have clarified that if you choose the option to "borrow" the cable from sasha you would not be able to flash back to stock! But +1 for everything you said for those who are afraid of ecutek for dealer warranty reasons!