Originally Posted by Newmember343
Just because codes are cleared doesn't mean they can't check its not working. As soon as you hook up he OBD scanner to the car, the computer will show that it hasn't picked up a lot of things (emissions, etc) Any person working with cars will know that obviously the car codes have been cleared and prolly wouldnt take the car in until its been driven for a few miles for the codes to come back on.
Do dealerships actually hook it up to an OBD? I have never seen that.