lx92coupe

My car is auto swapped and everything works with no faults. The PCM has the donor car vin and all the modules like it. No abs faults etc. my question is: is there a way to just change vin without doing pmi with ids. I don't want to confuse all the modules but would like to have the the vin be correct for my car. I have ids but am no expert with it. I had it back to stock yesterday and looked around in ids and gave up