Kia Carens stops after a few minutes

Dear I need help. I have a Kia Carens 2005 Disel and has the problem problem:
when giving it part, this one time stops. They reviewed the injection system, I have made 3 scanner, they reviewed the computer and does not change your condition.

In an ocation they were making a scanner and the problem occurred, the scanner result gave something like "security block."

I would thank you very much can help me.
Cristian.