Inside that you should find some kind of file that has address and memory. This file is just an archive, and can be opened like a zip file. If you are using Vector tools then vFlash will have a vFlashPack file which is a single file containing everything needed. This information comes from some kind of flash file. You will have a set of addresses, and a set of bytes that need to be stored at specific addresses. There may also be some routines ran for check summing, or erasing memory. When flashing an ECU you are basically writing memory locations after preparing the ECU for flashing. So I will share what I've learned about services 34 and 36 but they might not be applicable to you. I've wanted to have a blog post on flashing ECUs, but one issue with this is that ECU flashing can be specific to an ECU, or even a revision of that ECU. You should make your own post, and stop reviving old threads.
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