Operation CHARM: Car repair manuals for everyone.

DTC Memory Checking and Erasing




Check DTC Memory (function 02)

- Connect scan tool V.A.G 1551 and enter address word "02 Transmission electronics" and advance until "Select function XX" appears in the display. Scan Tool Connecting and Initial Checks

Indicated on display:


Rapid data transfer HELP
Select function XX



- Press keys 0 and 2. (The function "Check DTC memory" is selected with 02).

Indicated on display:


Rapid data transfer Q
02 - Check DTC memory



- Confirm entry with key Q.

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


X DTCs recognized!


Output on printer

V.A.G 1551

No DTC recognized!
If "No DTC recognized" appears after performing repairs, the On Board Diagnostic is completed.
In the event that the automatic transmission does not operate properly despite On Board Diagnostic, carry out repairs as per troubleshooting program.

The stored DTCs are displayed in turn and printed out.

- Press -> key.
- After the last DTC has been displayed and printed out, the malfunctions should be repaired as described in the DTC table. VAG Codes
- Press -> key.

Indicated on display:


Rapid data transfer HELP
Select function XX



After checking the DTC memory and repairing the malfunctions:
- Erase DTC memory.