Check DTC Memory (Function 02)

DTC Memory, Checking


- Connect VAG 1551 scan tool and operate until the display shows "Select function XX".

Indicated on display


Rapid data transfer HELP
Select function XX

- Press buttons -0- and -2- to select the "Check DTC Memory" function 02.

Indicated on display


Rapid data transfer Q
02 - Check DTC Memory


- Press -Q- button to confirm input.

The number of stored Diagnostic Trouble Codes (DTC) or "No DTC recognized" is shown on the display.


X DTC recognized


NOTE:


No DTC recognized

- If the printer is switched on, the stored malfunctions will be displayed and printed out in sequence.
- If the pointer is switched off, the button must be pressed to display the next malfunction.


- After the last malfunction is displayed, press the -> button.


NOTE: If there is a complaint that is not recognized by the On Board Diagnostic (OBD), carry out additional troubleshooting.


Indicated on display


Rapid data transfer HELP
Select function XX


- Press buttons -0- and -5- to select the "Erase DTC Memory" function 05.

Indicated on display


Rapid data transfer Q
05 - Erase DTC Memory


- Press -Q- button to confirm input.


NOTE: Every time DTC memory is erased (both with function 05 and with address word 33, mode 4) the readiness code is erased.


If indicated on display


Caution ->
DTC Memory is not interrogated


If the ignition was switched off between checking and erasing DTC memory, then DTC memory is not erased.

- Comply with work sequence exactly, i.e. first check DTC memory.

Indicated on display


Rapid data transfer ->
DTC Memory is erased


- Press -> button

Indicated on display


Rapid data transfer HELP
Select function XX


- Repair malfunctions printed out according to Diagnostic Trouble Code (DTC) table.
- After repairing the malfunctions, check DTC memory again to erase any malfunctions that may have been stored (e.g. by disconnecting connectors).
- Stop engine (switch ignition off) and start again.
- Test drive for at least 10 minutes.
- Carry out Automatic Test Sequence by inserting address word 00.


NOTE: After address word 00 is inserted, the DTC memory of all Systems with rapid data transfer is checked.