V.A.G 1551 Scan Tool, connecting and selecting function: Notes

• Pull cover -1- off in direction of arrow.
• With ignition switched off connect V.A.G 1551 using cable V.A.G 1551/3(A) to Data Link Connector

Connecting VAS 5051. Refer to Vehicle Diagnosis, Testing and Information System VAS 5051, connecting and selecting ABS control module  .

Indicated on display

V.A.G - On Board Diagnostic HELP 1 - Rapid data transfer1) 2 - Blink code output1)

1) Is displayed alternately

• Depending on the program, additional operating information can be printed out by pressing the HELP key of V.A.G 1551.
• The → key is used for moving forward within the program.
• The PRINT key is used for switching on the printer (warning lamp in key comes on).

• Switch ignition on.
• Switch on printer with Print key (indicator lamp in key lights up).
• Press key -1- for "Rapid data transfer" operating mode.

Indicated on display

Rapid data transfer HELP Enter address word XX

• Press keys -0- and -3-; 03 inputs the address word of the vehicle system to be tested "Brake electronics".

Indicated on display

Rapid data transfer Q 03 - Brake electronics

• Confirm input with Q key.

Display shows e.g.

1J0 907 379 D ABS 20 IE CAN 0001 → Coding 03604 WSC XXXXX

Displayed is:

• The control module identification number.

e.g. (1J0 907 379 D)

Allocation of control module see Parts catalog

• System designation (ABS 20 IE)
• Data BUS present. (CAN)

Refer to Electrical Wiring Diagrams, Troubleshooting & Component Locations binder

• Control module code (03604).

Coding control module. Refer to ABS control module, coding 

• Workshop code

Refer to V.A.G 1551 Scan Tool operating instructions

If the control module identification number does not appear. Refer to Summary of selectable functions: List of selectable functions 

• Press → key.

Indicated on display (select function, e.g. 02 - Check DTC memory).

Rapid data transfer HELP Select function XX

Indicated on display

Rapid data transfer HELP Control module does not answer!

By pressing the HELP key, a list of possible fault causes is printed out.

• After eliminating possible causes of malfunctions, enter the address word 03 for "Brake electronics" again and confirm.

If "Control module does not answer!" again appears:

Indicated on display

Rapid data transfer HELP Control module does not answer!

• Perform test steps 1, 2 and 3. Refer to ABS, ABS/EDL and ABS/EDL/ASR ITT Mark 20 IE, electrical check  , Electrical check.

malfunctions have occurred during checking of control module identification (possibly influenced from external sources?)

Rapid data transfer → No signal from control module!

• Check DLC as well as voltage supply and Ground connection for ABS Control Module (w/EDL) -J104-, Electrical check. Refer to ABS, ABS/EDL and ABS/EDL/ASR ITT Mark 20 IE, electrical check  .
• After repairing possible causes of malfunction, again enter address word 03 for "Brake electronics" and confirm with Q key.