In Adventist theology, reconciliation is a long drawn out process over time that is dependent upon one’s faith and obedience to the Law of God.
The Bible teaches that reconciliation is the act of being reunited with our Maker and having peace with Him (Romans 5:1; Romans 9-11; 2 Corinthians 5:16-21). It is by faith alone in the person and work of Jesus Christ that a person is made right with God. Good works/obedience come as a result of already being reconciled, not as something that supplements or adds to our faith that keeps us reconciled.
This is part of the reason why the SDA Church has a false, works-based gospel.