Control Module Version, checking

• Connect Scan Tool. Refer to Scan Tool, connecting .
• Switch on ignition.
• Press button -1- for "Rapid Data Transfer" mode.

Rapid data transfer HELP Enter address word XX

Indicated on display

• Press buttons -4- and -6- (the address word of the vehicle system to be tested "comfort system" is entered with 46).

Rapid data transfer Q 46 - Comfort System

Indicated on display after entering the address word 46:

• Confirm with -Q- button.

and then the following appears in the display:

Rapid data transfer Tester sends the address word 46

Indicated on display

3B0 959 800 Conv. cent. CU V41 → Coding XXXXX WSC XXXXX

The control module identification of the Central control module for comfort system -J393- (Convenience central control unit) will be shown on the V.A.G 1551 Scan Tool display, e.g.:

Breakdown of the display: 

• Top line Part No. of control module system designation (Convenience central control unit V41)
• Lower line code number dealership number1)

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

• Press → button.

and then the following appears in the display:

3B0 959 794 Dvr. door cont. unit V42 → Coding XXXXX WSC XXXXX

The control module identification of the driver's door control module will be shown on the V.A.G 1551 Scan Tool display, e.g.:

• Press → button.

and then the following appears in the display:

3B0 959 802 Pass. door cont. unit V42 → Coding XXXXX WSC XXXXX

The control module identification of the front passenger's door control module will be shown on the V.A.G 1551 Scan Tool display, e.g.:

• Press → button.

and then the following appears in the display:

3B0 959 811 RL door cont. unit V42 → Coding XXXXX WSC XXXXX

The control module identification of the rear left door control module will be shown on the V.A.G 1551 Scan Tool display, e.g.:

• Press → button.

and then the following appears in the display:

3B0 959 812 RR door cont. unit V42 → Coding XXXXX WSC XXXXX

The control module identification of the rear right door control module will be shown on the V.A.G 1551 Scan Tool display, e.g.:

• Press → button.

Rapid data transfer HELP Select function XX

Indicated on display

Notes: 

• If one of the malfunction messages opposite appears in the display, the possible causes of the malfunction can be printed out with the HELP button.
• Ignition must be switched on.
• Malfunctions have occurred at the start of or during the program (external interference?).
• Check diagnostic cable as well as voltage supply and Ground connection.

• After repairing the possible causes of the malfunction, enter the address word 46 for "comfort system" once again and confirm with the -Q- button.

At this point, repeat complete sequence from "Check Control module version."