Control Unit Version, Checking (Function 01)

Control Unit Version, Checking (Function 01)

- Connecting V.A.G 1551 or VAS 5051 and initiating On Board Diagnosis (OBD).
Scan Tool, Connecting
On Board Diagnosis (OBD) For the Comfort System (Vehicles With Power Windows), Initiating

Indicated on display:

Rapid data transfer HELP
Select function XX

- Press buttons -0- and -1-.

Indicated on display:

Rapid data transfer Q
01 - Interrogating control unit version

- Confirm entry with -Q- button.

1C0959799F GM CU Conv HLO 0004 ->
Coding 00257 WSC 12345

Scan tool V.A.G 1551 displays the control unit identification for the central control unit (Central CU) e.g.:

Breakdown of the display:
- 1C0959799F = Part No. of the control unit (for latest control unit version see parts catalog)
- 6M CU Conv HLO = System designation
- 0004 = Software version
- Coding 00257 = Coding variants
- WSC 12345 = Workshop code 1)

1) Will be automatically stored in the control unit when entering the system.

- Press -> button

Please wait

Will appear briefly in display

and the following is indicated on display:

1Y1959801 Door control unit DS KLO 0001 ->

The control unit identification for the drivers door control unit is displayed, e.g:

- Press -> button

Please wait

Will appear briefly in display:

and the following is indicated on display:

1Y1959802A Door control unit FPS KLO 0001 ->

The control unit identification for the front passengers door control unit is displayed, e.g:

- Press -> button

Please wait

Will appear briefly in display:

and the following is indicated on display:

1Y0959811 Door control unit RL KLO 0001 ->

The control unit identification for the rear left door control unit (in side part) is displayed, e.g.:
- Press -> button

Please wait

Will appear briefly in display:

and the following is indicated on display:

1Y0959812 Door control unit RR KLO 0001 ->

The control unit identification for the rear right door control unit (in side part) is displayed, e.g.:
- Press -> button
- Press buttons -0- and -6- to end the output.

Indicated on display:

Rapid data transfer Q
06 End output

- Confirm entry with -Q- button.

Indicated on display:

Rapid data transfer HELP
Enter address word XX

- Switch off ignition and disconnect diagnostic connection.