With Manufacturer's Scan Tool

With VAG 1551 Scan Tool

Check DTC Memory (function 02)





Indicated on display (function selection)
^ Press buttons 0- and -2- to select "Check DTC Memory", function 02.





Indicated on display
^ Press -Q- button to confirm input.





Number of stored DTCs or "No DTC recognized" will be indicated on display.





The stored malfunctions are displayed and printed out in sequence.
Vehicles with ABS/EDL and ASR
^ Using the DTC print-out, repair malfunction as instructed in DTC table, Refer to Diagnostic Trouble Code (DTC) Table

If "No DTC recognized" is displayed, the program will return to "Select function XX" after the - button is pressed:





Indicated on display (function selection)
^ End Output (function 06), Refer to Erase DTC Memory (Function 05), End Output (Function 06)
^ Switch off ignition and disconnect diagnostic connector.

Work procedure upon recognizing a malfunction:
1. Repair malfunction as instructed in DTC table, Refer to Diagnostic Trouble Code (DTC) Table
2. Check DTC Memory (function 02)
3. Erase DTC Memory (function 05)
4. End Output (function 06)
5. Road test vehicle (at above 60 km/h for 30 seconds)
6. Check DTC Memory again