Diagnostic Modes

Diagnostic Modes

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, 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.

NOTE: 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).

Diagnostic Mode 01 - Read Current System Data Diagnostic Mode 01 - Read Current System Data

Diagnostic Mode 02 - Read Operating Conditions Diagnostic Mode 02 - Read Operating Conditions

Diagnostic Mode 03 - Read DTC Memory Diagnostic Mode 03 - Read DTC Memory

Diagnostic Mode 04 - Erase DTC Memory Diagnostic Mode 04 - Erase DTC Memory

Diagnostic Mode 05 - Read Oxygen Sensor Monitoring Test Results Diagnostic Mode 05 - Read Oxygen Sensor Monitoring Test Results

Diagnostic Mode 06 - Read Test Results for Specific Diagnostic Functions 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 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 08 - Request Control of On-Board System, Test or Component

Diagnostic Mode 09 - Read Vehicle Information Diagnostic Mode 09 - Read Vehicle Information