Displaying and Reading Trouble Codes

Diagnostic Trouble Code (DTC) Memory, Checking (Scan Tool Function 02)

- Connect VAG 1551 Scan Tool (ST), input address word 08, "AC/Heating electronics" and press until "Select function XX" appears in display.

Indicated on display (function selection).


Rapid data transfer HELP
Select function XX


- Press buttons -0- and -2- to select function 02, check Diagnostic Trouble Code (DTC) memory.

Indicated on display:


Rapid data transfer Q
02 - Check DTC memory


- Press -Q- button to confirm input.

The number of stored DTCs or "No DTCs recognized" appears in the display.


X DTCs recognized!


- Press -> button.


No DTCs recognized! ->


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

- When the last DTC has been displayed and printed out, rectify malfunctions as described in DTC table: About Trouble Codes

After the -> button is pressed, the program moves to the initial position as with "No DTCs recognized":

Indicated on display (select function):


Rapid data transfer HELP
Select function XX


- End output (function 06).
- Switch off ignition and disconnect Data Link Connector (DLC).


NOTE:
If DTCs were recognized, follow the sequence below:
1. Rectify malfunction.
2. Erase Diagnostic Trouble Code (DTC) memory (function 05).
3. Check Diagnostic Trouble Code (DTC) memory (function 02).