Diagnostic Modes
→ Diagnostic Mode 01 - Read Current System Data
→ Diagnostic Mode 02 - Read Operating Conditions
→ Diagnostic Mode 03 - Read DTC Memory
→ Interrogating the Fault Memory
→ Diagnostic Mode 04 - Erase DTC Memory
→ Diagnostic Mode 05 - Check Lambda Test Results
→ Diagnostic Mode 06 - Read Test Results for Specific Diagnostic Functions
→ Diagnostic Mode 07 - Read Faults Detected During the Current or Last Driving Cycle
→ Diagnostic Mode 08 - Request Control of On-Board System, Test or Component
→ Diagnostic Mode 09 - Read Vehicle Information
The information provided in Modes 01 through 09 displays the various levels of emission related data that may be monitored, as well as the ability to retrieve and read stored DTC trouble codes, erase stored DTC trouble codes, generate readiness codes, and select the various PIDs and Test-IDs used within the modes to monitor the engine, and emission related component parameters.
The following table provides a link to all diagnostic modes that monitor all components and systems which influence the emission quality.
- Depending on scan tool and protocol used, the information in diagnostic mode 01 may be referred to by different names such as Test-ID (TID), Hex-ID, Component-ID (CID), or On-Board Diagnostic Monitor Identifier (OBDMID).