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Diagnostic Mode 04 - Erase DTC Memory






Diagnostic Mode 04 - Erase DTC Memory

Diagnostic Mode 04 makes it possible to erase the DTC memory and to reset all emissions-related diagnostic data. In that way, all faults in the DTC memory in the ECM and TCM are erased. The adaptation values may also be reset.

Emissions-related diagnostic data includes (as applicable):

- MIL Status

- Number of DTCs

- Readiness Bits

- Confirmed DTCs

- Pending DTCs

- DTC that belongs to freeze frame

- Freeze frame data

- Test results of specific diagnostic functions

- Distance driven with "MIL ON"

- Number of Warm-Up Cycles after erasing the DTC memory

- Distance driven after erasing the DTC memory

- Misfire counter

Depending on scan tool and protocol used, the information displayed in diagnostic mode 04 may be referred to by different names such as Test-ID (TID), Hex-ID, Component-ID (CID), On-Board Diagnostic Monitor Identifier (OBDMID), or contain no name at all and be referenced by only a number.

Procedure

- Connect the scan tool.

- Switch the ignition on.

- Select "Diagnostic Mode 04 - Reset/Delete Diagnostic Data ".

The scan tool will display: "Diagnostic data are being erased ".

- Switch the ignition off.

End of procedure.