This does not require the ECU to have a working version of the ME7 firmware on it. This uses the debugging features supported by the processor to load a program into RAM to allow you to read/write the flash memory. ![]() ![]() Since this uses the protocols in the ME7 firmware to read the flash memory, it is possible to update the protocols to disable reading.īoot mode means using the boot strap loader built into the C166/C167 processor. This is how the dealership flashes the car and it requires the ECU to have a working version of the ME7 firmware. Over OBD means using the KWP1281 or KWP2000 protocols supported by the ME7 firmware. However, I believe it also applies to boot mode. When some mention “over OBD” I first thought that meant in-car flashing only. ![]() I would like a little clarification on the difference between some of the terms used around flashing ECUs.
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