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Originally Posted by Compelica
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Yes that may work with ecuflash, however ecutek or even brzedit seem to be much better at unbricking ecu than ecuflash. I susoect it the timing of getting ecu into programming mode or the number of times the software tries to access ecu.
I have a bench flash setup for these ecu and with brzedit or ecutek i can flash on bench easily. however with ecuflash its very temperamental and i need to get the ignition on signal and the starting the flash process. On the bench you need to do as tor said ignition on then straight away hit go to flash ,. unfortunalty when ecu os in car ecuflash behaves differently and even working ecu if you try to flash instantly on ignition turn it will fail. So i suspect this technigue wont work with ecuflash when ecu in car.
If you have a tactrix its likely cheaper and easier to buy a secondhand ecu usually less than $100 usa and swap it into car resync security and flash it eith compatable rom.