I am very sorry your having this issue with your vehicle.
I will try my best to answer all of your questions.
However, before we get started, please let me mention a few things.
1. If at any point you would like to speak on the phone, please feel free to request a phone call on your end and I can call you right away.
2. If you dont understand any technical terms or anything that I mention (component tests or theory or operation), please let me know and I will provide you with a more in debt explanation or answer.
3. Please understand that I am here to help you any way I can.
Are you saying that the engine will not start because of a security issue?
Or does the engine start by the security light stays on?
May I start by getting your VIN and any stored codes in the computer?