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Thread: Audi S3 8V haldex module fault

  1. #1
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    Audi S3 8V haldex module fault

    Hi, does anyone know if the haldex gen 5 module is plug and play?

  2. #2
    Verified VCDS User PetrolDave's Avatar
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    WHat makes you think the Haldex is faulty and/or you want to replace it?

    We always ask for a full unedited VCDS Auto-Scan so we can see how the car is equipped/configured.

  3. #3
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    I have tested the earth and power cables and all have power running through. I have opened the haldex module and found corrosion inside.

    The haldex pump has been changed and receiving no communication with 4wd clutch control module.

    Sorry I cant post a full scan as don't have scanner I took it to a garage to be scanned.

  4. #4
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    Also since opening and checking the module and trying to clean it up i have more errors. The traction light on, no adaptive cruise control and no hill assist. Would the haldex module cause this?

  5. #5
    Verified VCDS User PetrolDave's Avatar
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    Since you don't have VCDS you're probably asking in the wrong place, I would suggest you join an Audi forum - Google "audi owners forum uk" for several options.

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