I bought a used computer from a 14 Camaro to put in a 15 Camaro.. for one it wont let me change the vin cause its saying diff os .. I have couple questions. im use to working on 4th gens and it was super easy to delete vats. but now its seems like its diff in these newer cars. where do I go to delete them? I went under os and it showed vats 1 and vats 2. tried to disable both and reflash and it seems like it didn't do anything cause when I read computer after I reflashed it , it was still showing enable.. is there a trick to do it ? or am I doing it in the wrong area?

second, im getting the code p513 , which is incorrect immobilizer key. is there anyway to get around that? radio works , everything lights up on dash but it wont crank. did a test with the computer under the scanner part and has no problem cranking when I commend it to crank. but keys does nothing nor does fuel pump come on,. need help with this as ive been going crazy trying to figure this out. thanks