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Thanks for your message. So that means I have no chance of doing it myself. Many posts on other forums report that writing via boot mode or OBD is supposed to work without any issues. I don't understand it.

You can`t write this ECU with Ktag. You need BSL To go from EVC

Coming from Croatia, car electrician and hobby tuner 10 years last 2 year studing and learning ecu software modification

If some one can point me to the cruise switch VAR in this file. I need to put LC to be active only when cruise on also pop and bang but i will manage to make this if I find cruise control switch. I am using ghidra for analyze and disassembly.

ori file and lc attached

It's a V6 me7.1.1 551N, 2.9L stroker, PSR g35-900, 980cc bosch, 2x 38mm tial WG, therse no MAF, mapsensor 3bar

I’ve got a "guinea pig" car I’m experimenting on; I applied the "5120 hack" and am trying to control the boost, but something is limiting it. I’m out of ideas—maybe someone can point out where I’m going wrong. I realize a lot of things here might be done incorrectly, but I’ve already tried various approaches. Basically, when I go wide open throttle from low RPM, the boost holds at 1 bar and the wastegate duty cycle stays in the low range, whereas in 2nd and 3rd gear, the boost holds at 1.5 bar. I’m simply looking for the reason why the boost won't follow the target value. I know the software setup is flawed, but I’d appreciate some guidance on the source of the problem.

api tokens aren't free, and I need a way to limit them on a per user basis.   Shoot me a test question or two if you want.

great ... I set the 95160 EEPROM file to "virgin"—or at least I thought I did. To give you the full picture, I purchased my data set for the Alfa 156 from a healthy donor vehicle at ecufile and analyzed the EEPROM enough to find the transponder codes and roll codes and set them on 00. After re-installing the ecu, the transponder/immobilizer didn’t pair immediately, not even after 90 seconds in the MAR position waiting and 30 seconds with the ignition off.

Only after turning the key to the MAR position for the third time did the keycode symbol disappear, but error code P0601 was permanently stored (and cannot be cleared).

The engine starts without any issues, and the car drives fine, even though the IMA codes for the injectors cannot be programmed due to the permanent P0601 error. And i want to have correct IMA codes in that ecu.

My questions are:
a) What could have caused the handshake error?
b) What is the best course of action now? Should I reset to "virgin" again, or just reset the roll codes to "virgin"?

Solder a tiny thin short piece of wire attached to the boot pad on ME7.5 and make it so that the wire runs straight out the side of the casing no more than 1/16” and that way in the future if you ever have to do anything boot mode related you don’t need to remove and open up the module you can just connect in boot mode by shorting the tip of that wire you put on there and now your set for the long haul

PM sent

I’m sure it won’t