Enhanced Diagnostics

Enhanced Diagnostics feature, found in DTC HISTORY function of Tech 1, is used to provide technician with specific malfunction occurrence information. This feature will provide information regarding data to identify specific code stored, frequency of fault occurrences, and amount of drive cycles since fault occurred with ignition on and vehicle driven faster than 10 MPH. Information is stored for the first 5 diagnostic trouble codes that were set and for the last code set. See Tech 1 scan tester instructions for more information.