Mode 6 Data
Advanced OBD-II diagnostic data showing results of onboard system tests.
Mode 6 data provides raw results from continuous and non-continuous monitors like oxygen sensors and EGR systems. Technicians interpret these values to assess system performance before DTCs appear. It's crucial for pinpointing early failures and verifying repairs. Proper understanding requires familiarity with manufacturer thresholds. Accessing Mode 6 gives a deep insight into emission control health.
Related Diagnostic Guide
This topic is part of CHEPQ’s system-level diagnostic framework.
For a broader understanding of how this component is analyzed in real-world diagnostics, refer to the following guide:
Applying This Knowledge in Practice
The diagnostic principles discussed above are commonly applied in real-world vehicle diagnostics. To put this knowledge into practice, explore professional automotive diagnostic tools designed to support system testing, fault analysis, and troubleshooting across modern vehicles.