Check Control Module Version (Function 01)

2003 Volkswagen Passat Sedan (3B3) V6-2.8L (ATQ)SECTION Check Control Module Version (Function 01)



Check Control Module Version

- Connect Scan Tool.
- Switch on ignition.
- Press key -1- for "Rapid Data Transfer" mode.

Indicated on display


Rapid data transfer HELP
Enter address word XX



- Press keys -1- and -5- (the address word of the vehicle system to be tested "Airbag" is entered with 15).

Indicated on display


Rapid data transfer Q
15 - Airbag



- Confirm with -Q- key.

Indicated on display.


8L0 959 655 B AIRBAG VW 3-S V00 ->
Coding 00066 WSC 12345



- Top line, part No. of control module, system designation (AIRBAG VW3), version number
- Lower line, code number, dealership number (1)

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

- Press -> key.

Indicated on display


Rapid data transfer HELP
Select function XX



NOTE:
- If one of the malfunction messages opposite appears in the display, the possible causes can be printed out with the HELP key.


Rapid data transfer HELP
Control module does not answer!



- Ignition must be switched on.


Rapid data transfer HELP
K wire not switching to positive!



- Malfunctions have occurred at the start of or during the program (external interference ?).


Rapid data transfer ->
No signal from control module!



- Check diagnostic cable as well as voltage supply and Ground connection.


Rapid data transfer ->
Fault in communication build up



- After repairing enter the address word 15 for "Airbag" and confirm with the -Q- key.


Indicated in display after entering the address word 15:


Rapid data transfer
Tester sends the address word 15



then the following appears in the display:

Indicated on display.


8L0 959 655 B AIRBAG VW 3-S V 00 ->
Coding 00066 WSC 12345

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.