Reading and Clearing Diagnostic Trouble Codes

NOTE: The displayed malfunction is only updated when the On Board Diagnostic (OBD) program is initiated or when "Erase DTC Memory" function 05 is used.


- Switch on printer by pressing PRINT button (indicator lamp in button lights up).

Indicated on display


Rapid data transfer HELP
Select function XX


- Press buttons -0- and -2- to select "Check DTC Memory" function 02.

Indicated on display


Rapid data transfer Q
02 - Check DTC Memory


- Press -Q- button to confirm input.

Indicated on display (the number of stored DTCs)


X DTC recognized!


Stored DTCs are displayed and printed out one after the other.

- Check printout against DTC table and repair all malfunctions as necessary.

If "No DTC recognized" is displayed the program will return to the starting point ("Select function XX" prompt) after the -> button is pressed.


No DTC recognized! ->


Indicated on display


Rapid data transfer HELP
Select function XX


If anything else is displayed:
See Scan Tool operating instructions
- End output (function 06).
- Switch ignition off and disconnect connections from Data Link Connector (DLC).