Micra K12 BCM Exchange

Hello people/colleagues Have a K12 Micra stand, with the said vehicle the front two headlights do not go. Check has shown that the circuits from the fuse box under the left headlight are i.o.. (can control lamps by means of power sample, fuses i.o. etc….) Kreutzexchange from the light switch performed. I suspect that the BCM has given up the mind (do not have any schematics to measure the LIN bus signals)Question: can I use the BCM without further Tausc hen? (keyword immobilizer) or do I need a new one and have to have this coded with the friendly one? many of the other problems that are described here the cart has already been described by