Hello Alexis as you are
if the B15 model uses a key with code that in Nissan is called the NATS system
when changing the ECM, PCM, Immu and the same key must be encoded asking for the codes A Factory can be extracted the old code with Consult team but still there to ask for the code to factory since with the code that gives you the consult it is to enter the manufacturing portal and there are the new codes. The old