Immobilizer II Key Matching (Separate)

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This procedure details how to match new keys to VW/Audi/Seat/Skoda vehicles with with Immobilizer II, where the immobilizer control module is integrated in a separate immo box. See the separate instructions for models where the immobilizer control module is integrated in instrument cluster. For help determining which Immobilizer system is in each vehicle and for applicable procedures for other types of Immobilizer, go to the general Immobilizer page.

Determining IMMO-ID

[25 - Immobilizer]
Look at the "Component" field. The 14-digit string in the Immo-ID.
[Close Controller, Go Back - 06]

Key Matching


  • You can match up to 8 keys.
  • While adapting each key, make sure to place the other keys away from the ignition lock (reader coil). The passenger seat is an adequate place.
  • Battery voltage at least 12.0 V.

[25 - Immobilizer]
[Meas. Blocks - 08]
Select Block 001.
The value in field 3 must be 1. If value is not 1, the key is not capable of being adapted to Immobilizer.
You can check each key in this manner.
[Done, Go Back]

[Login - 11]

  • 4-digit PIN
    • Enter zero followed by the 4-digit PIN. For example, if your PIN is 1234, enter 01234.

[Do it!]

[Adaptation - 10]
Enter 01 in "Channel Number" (if not available use Channel 21).
The "Stored Value" is the number of keys currently matched.
Enter a "new value" corresponding to the total number of keys to be matched, including any existing keys.
The old keys are automatically being cleared.
[Done, Go Back]
[Close Controller, Go Back - 06]

  • Repeat the following steps until all keys have been matched:
    • Switch ignition off and remove key.
    • Insert next key to ignition and switch ignition on again.
    • The warning light for the Immobilizer will light up for ~2 seconds, then go out Switch ignition off and remove key.

Note: The above steps after saving the adaptation, should not exceed 30/60 seconds!