Control Unit, Coding (Function 07)

Comfort System (Vehicles With Power Windows) Control Unit, Coding (Function 07)

NOTE:
- When supplied the control unit is pre-coded according to the vehicle equipment.
- The coding is performed with the scan tool V.A.G 1551 or with the Vehicle diagnostic, testing and information system VAS 5051.

- 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 keys -0- and -7- (with 07 the function "Code control unit" is selected).

Indicated on display:

Rapid data transfer Q
07 Code control unit

- Confirm entry with -Q- button.

Indicated on display:

Coding control unit Q
Enter code number XXXXX (0--32000)

- Enter code number according to table:

The following code numbers (and others) will be accepted by the control unit, but these are also used with other vehicles, country variations or vehicle equipment.







- Confirm entry with -Q- button.

1C0959799F 6M CU Conv HLO 0004 ->
Coding 00257 WSC 12345

Control unit identification number with relevant letter index, code number (e.g. 00257) and workshop code (dealership number) will be displayed on the scan tool V.A.G 1551.

If the contents of the display are as shown then the coding is successful.

Subsequent to the successful coding, the door will be called up and shown in the display.

If an incorrect code number has been entered and accepted by the control unit (e.g. 04096), a display will subsequently follow indicating that no communication has taken place with for example rear door control unit.

Indicated on display:

Door control unit XXXXXX ->
No answer

If the code number entered, is not accepted by the control unit, the display will show:

Indicated on display:

FAULT ->
Coding 00200 not accepted

In this case the control unit has not been programmed with the relevant data for the vehicle.

A check must then be completed to see if the correct control unit for the vehicle has been installed (compare Part No. and letter index), or whether an incorrect code number has been entered.

- Repeat coding.

If the control unit cannot be coded (correct control unit, correct code number), the control unit is faulty.

Ending function:

- Press -> button.

Indicated on display:

Rapid data transfer HELP
Select function XX

- 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.