DTC Memory Checking and Erasing

Diagnostic Trouble Code (DTC) memory

Check DTC Memory (function 02) and Erase DTC Memory (function 05)

Special tools, workshop equipment, testers, measuring instruments and auxiliary items required
- VAG 1551/1552 Scan Tool using VAG 1551/3 adaptor cable

Work sequence
- Connect VAG 1551/1552 Scan Tool. [1][2][3][4]Reading and Clearing Diagnostic Trouble Codes
- Start engine and let idle.
- Press 0 and 1 button to select Address word 01 "Engine electronics."

If engine will not start:
- Operate starter for approx. 6 seconds but do not switch OFF ignition.
- Switch on Scan Tool printer via print button.
- Warning lamp in button must light up

Indicated on display (example only)


06A906018AB Motronic M5.9.2 HS V06 ->
Coding 00000 WSC 00000


- Press -> button.

Indicated on display


Rapid data transfer HELP
Select function XX


- Operate Scan Tool taking displayed information into account.
- Press 0 and 2 buttons to select Function 02: "Check DTC memory."
- Press -Q- button to confirm input.

The number of stored malfunctions or "No malfunction recognized!" will be shown on the display.


X malfunctions recognized!


If no malfunctions stored:
- Press -> button.

If one or more malfunctions are stored, they will be displayed and printed out one after the other.

After stored malfunctions have been printed out, indicated on display


Rapid data transfer HELP
Select function XX


- Press 0 and 5 buttons to select Function 05: "Erase DTC memory."
- Press -Q- button to confirm input.

Indicated on display


Rapid data transfer ->
DTC memory is erased!


NOTE: If the ignition is switched OFF between "Check DTC memory" and "Erase DTC memory"; DTC memory will NOT be erased.


If DTC memory was erased:
- Set the Readiness code. Monitors, Trips, Drive Cycles and Readiness Codes
- Press -> button.

Indicated on display


Rapid data transfer HELP
Select function XX


- Press 0 and 6 buttons to select Function "End output."
- Press -Q- button to confirm input.