With Manufacturers Scan Tool

VAG1551/1552 Scan Tool, connecting

Address word 01: "engine electronics", selecting

Special tools







- VAG 1551 Scan Tool


NOTE: The VAG 1552 Scan Tool can be used instead of the VAG 1551; however, the VAG 1552 is not equipped with a printer!







- VAG 1551/3 Connecting Cable

Test conditions
- Battery voltage OK
- Fuse 12 OK
- Engine and transmission Ground connections OK

Work sequence







- Connect VAG 1551/1552 using VAG 1551/3 adaptor cable.

Display will appear as shown


VAG - On Board Diagnostic HELP
1 - Rapid data transfer*
2 - Blink code output*

* Appears alternately


NOTE: The DLC may be found in the center console on some vehicles.


If the display remains blank: See Scan Tool operating instructions

After Scan Tool has been connected
- Depending upon desired function: Switch ON ignition or Start engine. Selectable Functions When Using VAG1551/1552 or VAS5051
- Operate Scan Tool taking displayed information into account
- Press button 1 to select "Rapid data transfer".
- Press -0- and -1- buttons to select Address word 01: "Engine electronics".
- Press -Q- button to enter input.

ECM identification will appear on display as shown (example only)


038906018M 1.9l R4 EDC 00AG 1813 ->
Coding 0001 WSC XXXXX


- 038906018M = ECM part number (always check with the parts department for the latest part number)
- 1.9 ltr. = Engine displacement
- R4 = Type of engine (4 Cyl. in-line engine)
- EDC = Injection system (Electronic Diesel Control)
- G = Vehicles with Cruise Control (NO display = NO Cruise Control)
- AG = Automatic transmission
- SG = Manual transmission
- Coding 00001 = coding variant
- 1813 = ECM software version
- WSC Dealer number (Work Shop Code)

- Press -> button.

Display will appear as shown


Rapid data transfer HELP
Select function XX


- See repair procedures for additional steps.