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It seems that while we were excitedly waiting for the GR Corolla to launch, a company called AutoTuner decrypted the Denso R7F701216 ECU and has full Read/Write access.
This is a huge deal because the GR Corolla should be using the same ECU, although it is always possible that the Corolla will get an updated revision that may have different encryption.
But, if it really is cracked out the gate, that means we can get fully featured tunes out the gate. Exciting!
www.gr-yaris.co.uk
This is a huge deal because the GR Corolla should be using the same ECU, although it is always possible that the Corolla will get an updated revision that may have different encryption.
But, if it really is cracked out the gate, that means we can get fully featured tunes out the gate. Exciting!

Any info on cracking the ECU?
Perhaps unichip is the answer? Piggyback ecu but retains normal features like radar etc