Operation CHARM: Car repair manuals for everyone.

History

History
This selection will display only DTCs that are stored to the control modules history memory. It will not display Type B DTCs that have not requested the MIL. It will display all type A and B DTCs that have the MIL and have failed within the last 40 warm-up cycles. In addition, it will display all type C DTCs that have failed within the last 40 warm-up cycles.