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Thread: Problem with auto scan

  1. #1
    Verified VCDS User
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    Problem with auto scan

    I bought a new cable and i am trying to auto scan. Vcds will not perform an auto scan. If i select my model in the drop down, it will scan but it only finds limited modules. Maybe 4. I have not been able to properly register the dongle and there is an aftermarket radio in the car.

  2. #2
    Ross-Tech Employee
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    What model/year car is this? Auto-detect will only work on CAN based vehicles with a CAN gateway. Can you post the scan of the modules you are able to see?

  3. #3
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    It is a 2005 mk4 jetta. I will post scans this evening when i get home and do it again

  4. #4
    Benevolent Dictator Uwe's Avatar
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    An Mk.4 definitely doesn't support Auto-Detect.

    -Uwe-
    Ceterum censeo, delenda est Daesh.

  5. #5
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    It seemed to not be able to communicate with all the modules. Should i unhook the aftermarket stereo interface. It uses the klines to support accessory power using the key.

  6. #6
    Benevolent Dictator Uwe's Avatar
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    Please post what it does find before you start pulling your hair out.

    On a 2004, an aftermarket radio isn't high on my list of things to worry about because the K-line (single-wire diagnostic bus) didn't go to directly to the radio in that car.

    -Uwe-
    Ceterum censeo, delenda est Daesh.

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  8. #7
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    Ok. I will post later. Thank you.

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