Clearing Trouble Codes

Erase DTC Memory

- Connecting scan tool, initiating On Board Diagnostic (OBD).
Scan Tool Connecting and Initial Checks
General Information

- Switch on printer with Print button (warning lamp in button lights up).

Prerequisites:
- DTCs are rectified
- DTC memory checked again

- Press keys -0- and -5- (the function "Erase DTC memory" is entered with 05).

Indicated on display:


Rapid data transfer Q
05 Erase DTC memory


- Confirm entry with the -Q- button.

Indicated on display:


Rapid data transfer ->
DTC memory is erased!


- Press -> button.

Indicated on display:


Rapid data transfer HELP
Select function XX


NOTE:
- If this appears in the display, the test sequence is faulty.


WARNING!
DTC memory was checked not


- Adhere strictly to test sequence; first of all check DTC memory, then erase memory.

End Output

- Press keys -0- and -6- to end the output.

Indicated on display;


Rapid data transfer Q
06 End output


- Confirm entry with the -Q- button.

Indicated on display:


Rapid data transfer HELP
Enter address word XX


- Switch off ignition.
- Disconnect connector to scan tool VAG 1551.