This group will be a forum for people who modify any Bosch EFI system. This includes reverse engineering the chip software and add-on modules. Hot-wire MAF conversion, boost timing retards, and other external devices as well. This forum will cover all Bosch EFI systems.
In order to join this group you must convince the moderator you are not just a spammer. That means that your membership application must describe why you are interested in this group. What are you modifying, what DME even is, something like that.
... That's interesting. I could not find a way to use the two last bytes as a checksum. I guess it could be just a version number since it increases during the
... I think this is already documented somewhere here. The R2 stored index to the table is used in TabIdx (0x1090). That gives you the index to the address
The list at ElecAuto and other sites are based on the entire bin file's checksum, not that 16-bit value written at the end of the chip. It would seem that the
Excellent. Thank you! That was a great starting point. I looked at code that was calling the function that you listed, and that led me to find the variant