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Function 02 - Check DTC Memory






General Information

The new seat adjustment with memory generation features On Board Diagnostic (OBD) capability. The control module for seat adjustment with memory is equipped with a DTC Memory.

Malfunctions occurring in monitored components/wiring are stored in DTC memory together with an indication of the type of malfunction.

If any control elements are replaced they must be adapted and a basic setting must be initiated => [ Seat Control Element, Basic Setting ].

On Board Diagnostic (OBD), initiating program

Test requirements:

• Voltage supply and fuses for appropriate systems OK.

• Connecting scan tool (VAS5051) => [ VAS 5051, Connecting ] VAS 5051, Connecting

• Switch ignition on.

• If no display appears, use wiring diagram to check power supply for (VAS5051)

• Additional operating instructions can be called up by pressing the Scan Tool HELP button.

• The next step in the program sequence can be selected by pressing the -> button.

• Incorrect entries can be terminated by pressing the C button..

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

- Press button 1 for "Rapid data transfer".

Indicated on display:

Rapid data transfer HELP
Enter address word XX

Function 02 - Check DTC Memory

• DTC information displayed is not updated constantly, but rather only on starting On Board Diagnostic (OBD)/implementing function 05 "Erase DTC Memory."

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

Performing Function 02 Check, DTC Memory

Indicated on display:

Rapid data transfer HELP
Select function XX

- Press buttons 0 and 2.

Indicate on display:

Rapid data transfer Q
02 - Interrogate fault memory

- Confirm entry with Q button.

The number of stored DTCs appears on the display.

X fault detected ->


The stored DTCs are consecutively displayed and printed out.

- Consult Diagnostic Trouble Code (DTC) table with DTC printed out and correct malfunction => [ DTC Tables ].

In the case of "No faults detected", program returns to its start position after pressing the -> button.

No fault detected ->


Indicated on display:

Rapid data transfer HELP
Enter address word XX

If something else is displayed: => Scan tool operating instructions

- Erase DTC Memory (function 05) => [ Function 05 - Erase DTC Memory ].

- End output (function 06) => [ Function 06 - End Output ]

- Disconnect diagnostic connector.