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EcuTek to MHD switch experiences

SupraMkivAnders

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Sep 3, 2025
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Location
Sweden
Car(s)
Supra MKV 2020. Supra MKIV 1993 TT manual.
I have a 2020 Supra that i bought with EcuTek RaceROM and i would like to switch to MHD.
I talked to MHD and they said the flash will fail if trying to flash MHD over the EcuTek tune. I would like to hear experiences from people ho actually have done this and how they solved it. I have seen other threads were if i understood correctly people have flashed over EcuTek with MHD directly.
I know many prefer EcuTek and i understand why but i still would like to switch to MHD.
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