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Final control diagnosis up to production date CW 27. 1999 > < Fault table for BTU airbag system

A3 Mk1

Body Self-diagnosis
Self-diagnosis of airbag system BTU (Basic Triggering Unit) with and without side airbag
Interrogating airbag control unit version
  • ‒ Press keys -0- and -1-.
 
→ Indicated on display:
Rapid data transfer     Q
01 - Interrogate control unit version
  • ‒ Confirm input with Q key.

Vehicles ä 1998 without side airbags:
 
→ After about 5 seconds, the following appears on the display:
1J0909601A    Airbag VW3     V01 ⇒
Code 00065    WSC 06812

Explanation of the display

  • ◆ 1J0909601A: Part number of airbag control unit

Note:

The control units with part no. 1J0909601A are replaced as a substitute for part 8L0959655C.

  • ◆ Airbag VW3: Component designation for airbag BTU (Basic Triggering Unit)
  • ◆ V01: Software version of control unit for airbag in Audi models
  • ◆ Code 00065: Coding of airbag control unit. Coding table
  • ◆ WSC 06812: Workshop code
  • ‒ The ⇒key is used to return to the basic function.
 
→ Indicated on display:
Rapid data transfer     HELP
Select function XX

Vehicles ä 1998 with side airbags and all vehicles as of MY 1998 up to production date CW 27. 99.
 
→ After about 5 seconds, the following appears on the display:
8L0959655F    Airbag 7     AUDI D00 ⇒
Code 00104    WSC 06812

Explanation of the display

  • ◆ 8L0959655C: Part no. for control unit (front airbag)
  • ◆ 8L0959655E: Part no. of airbag control unit (front and side airbags)
  • ◆ 8L0959655F: Part no. of airbag control unit (front and side airbags)
  • ◆ Airbag 7: Component designation for airbag BTU (Basic Triggering Unit)
  • ◆ AUDI D00: Software version of control unit for Audi vehicles (control unit ident no. may also have four digits).
  • ◆ Code 00104: Coding of airbag control unit. Coding table => Page 01-42
  • ◆ WSC 06812: Workshop code
  • ‒ The ⇒key is used to return to the basic function.
 
→ Indicated on display:
Rapid data transfer     HELP
Select function XX

Vehicles as of production date CW 27. 99.
 
→ After about 5 seconds, the following appears on the display:
8L0959655G    Airbag front + side    D004 ⇒
Code 01106    WSC 06812

Explanation of the display

  • ◆ 8L0959655G: Part no. of airbag control unit (front and side airbags)
  • ◆ 8L0959655H: Part no. of airbag control unit (front and head airbags)

Note:

For vehicles with airbag 8; the display shows Airbag front + side or Airbag Front + head instead of Airbag VW3 or Airbag 7.

  • ◆ D004: Software version of control unit for airbag in Audi models
  • ◆ Code 01106: Coding of airbag control unit. Coding table => Page 01-43
  • ◆ WSC 06812: Workshop code
  • ‒ The ⇒key is used to return to the basic function.
 
→ Indicated on display:
Rapid data transfer     HELP
Select function XX

Final control diagnosis up to production date CW 27. 1999 > < Fault table for BTU airbag system