immobilizer

Hi all, I've parked my mkV 2019 the other day and 5 minutes later when I came out of the shops, the key simply stopped working. Replaced both keys batteries several times, but still nothing. Unlocked the door manually, alarm going off, held key to steering column, it won't register the key...

I had a verified-good donor ECU cloned at Femto, and then bench unlocked without any issues. Today I installed my Ecutek license onto it and successfully flashed a stock rom file, everything went just fine start to finish. Unfortunately the car will only crank and not start. My DTC's are...