So... a few weeks ago i have same situation with T5, 2.5 R5 PD engine...
Someone was made EcuSafe mess in the ECU.
Flashed BDM original file - no OBD acces with KESS, FG, MPPS...
Did the job with FG BDM...
After 2 weeks, customer came back for tuning... tryed OBD with FG and it works.
I told you, that there is Security wait time, because of wrong login (seed key) and obviously it is still active...
Now, flash this file, again with BDM100, MUST have speed limiter back! And after some time, you must have OBD acces too.
But the question, why there are differences in the boot sector in the flash after writhing my file, stays open...
Before a years ago i saw, that BDM100 correct the checksum even in a file, which is read with it, from an ECU, which is untouched, from working car... That's why i don't use it.
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