Checking DTC Memory (Function 02)

NOTE: The VAG 1552 Mobile Scan Tool (ST) can be used instead of the VAG 1551 Scan Tool (ST), however a print-out is not possible.

- Connect VAG 1551 scan tool. VAG 1551 Scan Tool Connecting
- Initiate On Board Diagnostic (OBD). Initiating On Board Diagnostic Program
- Switch printer on with "PRINT" button (warning 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:

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02 - Check DTC Memory

- Press "PRINT" button.
- Press -Q- button to confirm input.

Indicated on display (number of stored DTCs)

X DTC recognized ->

The stored DTCs are displayed and printed out one after the other.

NOTE: If a DTC is recognized:
- 1. Repair malfunction.
- 2. Erase DTC Memory (function 05).
- 3. Check DTC memory again (function 02).

Malfunctions printed out can be repaired with the aid of the DTC table. Comfort System (With Power Windows)

"Read Measured Value Block" function 08 and display group overview are additional aids.

The measuring value block is divided into 16 display group numbers. The assignment of the individual display fields can be found in the display group overview. Read Measured Value Block (Function 08)

If "No DTC recognized "is indicated on display, press -> button to return to "Select function XX" prompt.

Indicated on display:

Rapid data transfer HELP
Select function XX

If something else is displayed, see Scan Tool (ST) operating instructions.

- Press buttons -0- and -6- to select "End Output" function 06.

Indicated on display:

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06 - End Output

- Press -Q- button to confirm input.

Indicated on display:

Rapid data transfer HELP
Insert address word XX

- Switch ignition off.
- Disconnect scan tool from Data Link Connector (DLC).