8.1 OBD Fault Code Library: To view the definition of DTCs (Diagnostic Trouble Codes). 8.2 Coverage List: To view the supported functions and car systems after selecting the vehicle make. 8.3 Learning Materials: To view the playback of operating functions on specific vehicle models. 9. History This module can record and establish the file of the diagnosed vehicles, including all diagnostic-related data such as diagnostic reports, data stream records, and screenshots. EN I 31