Can this be reset with a scanner to get the check engine light off to pass emissions?

I had a bad ABS unit. I replaced it and all warning lights went off except the check engine light. I disconnected the neg. battery cable for 30 minutes, then reconnected. I started my car and the check engine light comes on immediately without driving the car. Shouldnt it stay of till I drive it? Co...

Im having the same problem. Did anyone ever find the answer to this problem?