Diagnostic Modes 01 - 0A: Notes

The information provided in Modes 01 through 0A displays the various levels of emission related data that may be monitored, as well as the ability to retrieve and read stored DTCs, erase stored DTCs, generate readiness codes, and select the various PIDs and Test IDs used within the modes to monitor the engine, and emission related component parameters.

• DIAGNOSTIC MODE 01 - READ CURRENT SYSTEM DATA 
• DIAGNOSTIC MODE 02 - READ OPERATING CONDITIONS 
• DIAGNOSTIC MODE 03 - READ DTC MEMORY 
• DIAGNOSTIC MODE 04 - ERASE DTC MEMORY 
• DIAGNOSTIC MODE 05 - READ OXYGEN SENSOR MONITORING TEST RESULTS 
• DIAGNOSTIC MODE 06 - READ TEST RESULTS FOR SPECIFIC DIAGNOSTIC FUNCTIONS, 2021 MY 
• 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 - REQUEST VEHICLE INFORMATION 
• DIAGNOSTIC MODE 0A - REQUEST EMISSION-RELATED DIAGNOSTIC TROUBLE CODES WITH PERMANENT STATUS