Diagnostic Mode 04: Reset/Delete Diagnostic Data

WARNING: This page is about a different car, the 2006 Audi TT, 2005 Audi TT, and 2004 Audi TT. However, it is still accessible from the selected car via links, so may be relevant.

Diagnostic Mode 04 is used to reset or delete the following stored information:

All emission related malfunctions in the DTC memory.
The operating conditions at which a malfunction was stored will be reset.
All adaptation values.
The test results of all diagnostic functions.

NOTE:

Depending on scan tool and protocol used, diagnostic mode 04 and the information provided may be referred to by a different name.

Procedure

Connect the scan tool.
Switch the ignition to the "ON" position.
Select "Diagnostic Mode 03: Interrogating fault memory ".
Then select "Mode 4: Reset/delete diagnostic data".

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

Switch the ignition off.

End of procedure