Engine Control Module (ECM), Coding

If the appropriate code for the vehicle is not displayed or if the control module has been replaced, the control module must be coded as follows.

Special tools and equipment
- VAG 1551/1552 Scan Tool using VAG 1551/3 adapter cable

Work sequence
- Connect VAG 1551 (VAG 1552) Scan Tool. Refer to Scan Tool Testing/VAG 1551 Scan Tool. Testing and Inspection
- With ignition switched on but engine not running, press buttons -0- and -1- to select "Engine electronics" address word 01.

Indicated on display


Rapid data transfer HELP
Select function XX


- Press buttons -1- and -1- to select "Login procedure" and confirm entry with -Q- button.

Indicated on display


Login procedure HELP
Input code number XXXXX


- Press buttons -0-, -1-, -2-, -8- and -3- for the Login code 01283 and confirm input with -Q- button..

Indicated on display


Rapid data transfer HELP
Select function XX


- Press buttons -0- and -7- to select "Code control module" and confirm input with -Q-.

Indicated on display


Code control module HELP
Input code number XXXXX (0-32000)


- Enter appropriate code number for this vehicle and confirm with -Q- button.

Coding For following vehicles
00000 Transporter VR6 with manual transmission
00001 Transporter VR6 with automatic transmission

The VAG 1551 display will show the control module identification


021 906 259B MOTRONIC M5.9 AT V0 1 ->
Coding 00001 WSC xxxxx


- Press -> button.

Indicated on display


Rapid data transfer HELP
Select function XX


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