Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DBβ LIVE
HOMESERVICE MANUALSAUDI1998A8 SEDAN (4D2) V8-3.7L (AEW)REPAIR AND DIAGNOSISRESTRAINTS AND SAFETY SYSTEMSAIR BAG SYSTEMSTESTING AND INSPECTIONPROGRAMMING AND RELEARNING
1998 Audi A8 Sedan (4D2) V8-3.7L (AEW)
Programming and Relearning
1998 Audi A8 Sedan (4D2) V8-3.7L (AEW)SECTION Programming and Relearning
Code Control Module (Function 07)
NOTE:
- Control module is not factory-coded.
- The airbag malfunction light always lights up when the control module is not encoded.
- Starting airbag system On Board Diagnostic (OBD). Description of On Board Diagnostics
If the appropriate coding is not displayed at the V.A.G 1551 or the control module has been replaced the coding of the control module is carried out as follows:
Indicated on display:
Rapid data transfer HELP
Select function XX
- Enter "07" for the function "Code Control Module" and confirm entry with Q key.
Indicated on display:
Code Control Module Q
Enter code number XXXXX (0-32000)
- Enter valid 5-digit control module code in line with code table.
Coding Table Up To M.Y. 2000:
Coding Table From M.Y. 2001:
Indicated on display (example):
Code Control Module Q
Enter code number 00224 (0-32000)
- Confirm entry with Q key.
The display on the scan tool V.A.G 1551 will show the control module identification code (example).
400959655D Airbag 7 AUDI D00 ->
Coding 00224 WSC 12345
NOTE: For vehicles with airbag 8 the display shows Airbag Front + side or Airbag Front + side curtain instead of Airbag III, Airbag V, Airbag 7.
- Press -> key.
Indicated on display (function selection):
Rapid data transfer HELP
Select function XX
Code Control Module after deactivating rear side airbags
Control module has to be re-encoded after deactivating rear side airbags:
- Starting airbag system On Board Diagnostic (OBD). Description of On Board Diagnostics
Indicated on display:
Rapid data transfer HELP
Select function XX
- Enter "07" for the function "Code Control Module" and confirm entry with Q key.
Indicated on display:
Code Control Module Q
Enter code number XXXXX (0-32000)
Airbag 7 (up to 10.98)
- Enter 5-digit control module code in with table.
Indicated on display (example):
Code Control Module Q
Enter code number 00124 (0-32000)
Airbag 8 (introduced as of 10.98)
- With Airbag 8 (introduced as of 10.98) the coding changes from 2 to 1 and from 4 to 3 see coding table.
- Changing coding from 01425 to 01325 or 01225 to 01125 (examples).
Indicated on display (example):
Code Control Module Q
Enter code number 01325 (0-32000)
All
- Confirm entry with Q key.
The display on the scan tool V.A.G 1551 will show the control module identification code (example).
400959655D Airbag 7 AUDI D00 ->
Coding 00124 WSC 12345
- Press -> key.
Indicated on display (function selection):
Rapid data transfer HELP
Select function XX
Code Control Module after activating rear side airbags
Control module has to be re-encoded after activating rear side airbags:
- Starting airbag system On Board Diagnostic (OBD). Description of On Board Diagnostics
Indicated on display:
Rapid data transfer HELP
Select function XX
- Enter "07" for the function "Code Control Module" and confirm entry with Q key.
Indicated on display:
Code Control Module Q
Enter code number XXXXX (0-32000)
Airbag 7 (up to 10.98)
- Enter 5-digit control module code in with table.
Indicated on display (example):
Code Control Module Q
Enter code number 00224 (0-32000)
Airbag 8 (introduced as of 10.98)
- With Airbag 8 (introduced as of 10.98) the coding changes from 1 to 2 and from 3 to 4 see coding table.
- Changing coding from 01325 to 01425 or 01125 to 01225 (examples).
Indicated on display (example):
Code Control Module Q
Enter code number 01425 (0-32000)
All
- Confirm entry with Q key.
The display on the scan tool V.A.G 1551 will show the control module identification code (example).
4D0959655D Airbag 7 AUDI D00 ->
Coding 00224 WSC 12345
- Press -> key.
Indicated on display (function selection):
Rapid data transfer HELP
Select function XX
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.