I have a 2002 Discovery 2 V8 4.0 Motoronic Petrol. Sat for a yr. And bought battery, 2 ECM's still have original. Bought Nanocom, and SyncMate. I think I need to have the security codes the same in BECM and ECM. I know the EKA code but don't know how to see if they are the same or how to change...