How to TAP into VW CAN Bus
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  • Hi All,

    I have been trying to tap into my VW Can bus but been having a very hard time.

    I first tried connecting through the OBD port but it seems that messages are filtered there.
    I also tried the radio but I do not see anything when connecting to the quad lock connector.

    Can someone point me in the right direction?


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  • Hi Dog,

    VW is using a CAN-Gateway. The OBD-Port is only connected to this gateway.
    A direct connection to the does not exist.
    If you like to hear messages from a control unit, you have to tell the gateway to foreward the messages to the OBD-Port. Up to now I have not figured out how to do so.

    When you connect to the radio, depending on the year your car was build, you should be connected to the Infotainment-CAN.

    Best regards,

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