Made alive and all sins forgiven. Paul describes here the switch from death to life. You were dead in sins, not sick, not weak, but dead. And God made you alive. Together with Christ.
In doing so, he forgave all sins. Not some, not the small ones, all. This is the New Covenant: complete forgiveness through a one-time sacrifice. You no longer live in the guilt system. You live in the system of grace.
Today: You are alive and forgiven. Both stand firm.