Reading Diagnostic Trouble Codes: History
WARNING: This page is about a different car, the 2006 Suzuki Verona. However, it is still accessible from the selected car via links, so may be relevant.
This selection will display only DTCs that are stored in the ACME's history memory. It will not display Type B DTCs that have not requested the Malfunction Indicator Lamp (MIL). It will display all type A and B DTCs that have requested the MIL and have failed within the last 40 warm up cycles. In addition, it will display all type C and type D DTCs that have failed within the last 40 warm up cycles.