Self-Diagnostic System: History

This selection will display only DTC(s) that are stored in the control module's history memory. It will not Type "B" DTCs. It will display all type "A" and type "B" DTCs that have the MIL illuminated and have failed within the last 40 warm-up cycles. It will also display type "C" DTCs that have failed within the 40 warm-up cycles.