Volkswagen Workshop Service and Repair Manuals > Golf Mk3 > Body | General body repairs – Cabriolet | Self diagnosis, V.A.G Inspection Service | Self-diagnosis of central locking remote control

Interrogating control unit version

–	Connect fault reader -V.A.G 1551- → Chapter.

–	Start self-diagnosis → Chapter.

–	Switch on printer with Print button (warning lamp in button lights up).

Indicated on display:

–	Press keys -0- and -1-.

Rapid data transfer                HELP

Select function XX

Indicated on display:

–	Confirm entry with the Q key.

Rapid data transfer                  Q

01 - Interrogate control unit version

The control unit identification will be shown on the fault reader -V.A.G 1551- display, e.g.:

t	7D0 959 800 B = part No. of the control unit (see parts catalogue for latest control unit version)

t	Radio control unit = system name

t	0001 = Program version number

t	Coding 00001 = Coding variant

t	WSC = Workshop code

–	Press → key.

7D0 959 800 B Radio control unit     0001->

Coding 00001                WSC XXXXX

Indicated on display:

Rapid data transfer                HELP

Select function XX

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