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Octavia Mk1

Coding airbag control unit
Coding airbag control unit
Coding is only possible if a new control unit is used.
l  The airbag warning light -K75- remains lit.
–  Connect vehicle system tester -V.A.G 1552- and select address word 15 „Airbag“ → Chapter.
   
Readout on display:
–  Enter function 07.
  
Vehicle system test               HELP
Select function XX
Readout on display:
–  Confirm the entry with the key Q.
  
Vehicle system test                Q 
07 - Code control unit
Readout on display:
–  Enter code number as specified in table → Chapter.
–  Confirm the entry with the key Q.
Example:
  
Code control unit                 Q 
Enter code number  XXXXX (0–32767
If the coding is accurate, it displays the control unit identification number with the relevant character index and the workshop code.
–  Press → key.
  
1J0 909 603  A      AIRBAG VW 3 V02   ->
Coding 00065                     WSC12345
Readout on display:
–  Select function 06.
  
Vehicle system test               HELP
Select function XX
Readout on display:
–  Confirm the entry with the key Q.
The airbag warning light -K75- must go out after max. 4 sec.
If the control unit rejects an entered code number the following message will be displayed:
  
Vehicle system test                Q
06 - End output
Readout on display:
In this case the control unit was not programmed with the data required for the vehicle. In this case the control unit cannot be coded. The airbag warning light -K75- does not go out and remains lit. Check whether the right control unit was fitted on the vehicle (compare part number and character index), or whether possibly a wrong code was entered.
–  Repeat coding.
  
Fault                                 ->
      Coding XXXXX not accepted

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