Checking Control Module Versions (Function 01)

- Connect VAG 1551 scan tool. VAG 1551 Scan Tool Connecting
- Initiate On Board Diagnostic (OBD). Initiating On Board Diagnostic Program
- Switch ignition on.
- Press button -1- to select "Rapid data transfer" operating mode.
- Switch printer on with "PRINT" button (lamp in button lights up).
- Press buttons -0- and -1- to select "Check Control Module Versions" function 01.

Indicated on display:

Rapid data transfer Q
01 - check control Module Versions

- Press -Q- button to confirm input.

The control module identification of the central control module for comfort system (Comf. cent. CU) is indicated on the VAG 1551 scan tool display.

1J0959799J 03 Conv. cent. CU 0001 ->
Coding XXXXX WSC XXXXX

Breakdown of control module display
Upper line = Part No. of control module system designation (03 Comf. cent. CU 0001)
Lower line = Code number dealer code number*

* Number is automatically stored in control module when entering the system

- Press -> button.

Indicated on display (briefly):

Please wait

and then the driver's door control module identification is indicated on the VAG 1551 scan tool display:

1J0959801A 03 Door CU FSOO22 ->

- Press -> button.

Indicated on display (briefly):

Please wait

and then the passenger's door control module identification is indicated on the VAG 1551 scan tool display:

1J0 959 802B 03 Door CU BF0022 ->

- Press -> button.

Indicated on display (briefly):

Please wait

and then the left rear door control module identification is indicated on the VAG 1551 scan tool display:

1J0 959 811A 03 Door CU HL0022 ->

- Press -> button.

Indicated on display (briefly)"

Please wait

and then the right rear door control module identification is indicated on the VAG 1551 scan tool display:

1J0 959 812A 03 Door CU HR0022 ->

- Press -> button.

Indicated on display:

Rapid data transfer HELP
Select function XX

NOTE: If one of the following malfunction types appear in the display, the possible causes of the malfunction can be printed out by pressing the "HELP" button.

Rapid data transfer HELP
Control module does not answer

Rapid data transfer HELP
K wire not switching to B+

If either of the above messages are displayed, the ignition must be switched on.

Rapid data transfer
No signal from control module

If the above message is displayed, malfunctions have occurred at the start of or during the program (external interference?).

Rapid data transfer
Error in communication link

If the above message is displayed, check wiring connections for Data Link Connector (DLC), as well as voltage supply and Ground (GND) connections.

- Press buttons -0- and -6- to select "End Output" function 06.

Indicated on display:

Rapid data transfer Q
06 - End Output

- Press -Q- button to confirm input.

Indicated on display:

Rapid data transfer HELP
Insert address word XX

- Switch ignition off.
- Disconnect scan tool from Data Link Connector (DLC).