Airbag Control Module, Coding
Airbag Control Module, Coding Using V.A.G 1551 Scan Tool
Coding is only possible when a new control module is used.
- Connecting scan tool. Scan Tool Connecting
- Initiating On Board Diagnostic (OBD). Initial Inspection and Diagnostic Overview
- Switch on printer with Print button (warning lamp in button lights up).
The Airbag Malfunction Indicator Lamp (MIL) -K75- lights up continuously.
- Press buttons -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 entry with the -Q- button.
Indicated on display:
6QO 909 605 A AIRBAG VW 3-OM V03 ->
Coding 00000 WSC 00066
- Press -> button.
Indicated on display:
Rapid data transfer HELP
Select function XX
- Press buttons -0- and -7- (with 07 the function "Code control module" is selected).
Indicated on display:
Rapid data transfer Q
07 Code control module
- Confirm entry with the -Q- button.
Indicated on display:
Code control module
Enter code number XXXXX (0-32000)
- Enter code number according to table:
- Confirm entry with the -Q- button.
The control module identification number with the relevant letter index, code number and workshop code is displayed.
6QO 909 605 A AIRBAG VW 3-CM V03 ->
Coding 12345 WSC 00066
If the contents of the display are as shown then the coding is successful.
If the control module code number entered is not accepted, then the "FAULT' and the "code xxxxx not accepted" will be displayed, e.g. 00200:
Indicated on display:
FAULT ->
Coding 00200 not accepted
In this case the control module has not been programmed with the relevant data for the vehicle. Coding is then not possible. The Airbag Malfunction Indicator Lamp (MIL) -K75- will not extinguish and lights up continuously. A check must then be completed to see if the correct control module for the vehicle has been installed (compare Part No. and letter index), or whether an incorrect code number has been entered.
End output:
- Press -> button.
Indicated on display:
Rapid data transfer HELP
Select function XX
- Press buttons -0- and -6- to end the output.
- Confirm entry with the -Q- button.
Indicated on display:
Rapid data transfer Q
06 End output
Airbag Malfunction Indicator Lamp (MIL) -K75- must go out after approx. 4 second.