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Thread: HVAC troubles !

  1. #1
    Join Date
    Jul 2019
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    HVAC troubles !

    Hi there,
    I've got a T5 multivan and I've got a problem with the rear blower of the climatronic...
    The front blower works fine, but the rear one and the side ones (in the doors) don't work at all (hot & cold air).
    When I do the auto-test with VCDS, the front one works, the side ones work, but the rear on doesn't work.
    For the side ones, even if the auto-test make them work, when I try to activate them by the regular way, they don't work.
    The actuators in the the rear unit work, I see the "little bars" moving up and down. Just the blower doesn't work.
    So I changed the blower, no change. I changed the rear controler (the blue thing in the rear unit), no change.
    I checked the fuses, no problem with them.
    Here are the faults finded by VCDS :

    Removed.  Data from a clone/pirate copy of VCDS is not welcome here.
    For the air quality sensor, it is like this for years, before rear blower stop working.
    For the terminal 30A, it could be a fuse (I think), but a fuse with "upper limit exceeded" ???

    Every help is welcome to find the solution !

    (sorry for my english !)
    Last edited by Uwe; 07-13-2019 at 04:16 PM.

  2. #2
    Benevolent Dictator Uwe's Avatar
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    Jan 2014
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    Quote Originally Posted by TheGuiX View Post
    Every help is welcome to find the solution !
    Getting help in this forum requires the use of a legitimate VCDS system.

    They are available directly from us:

    ... Or from any of our authorized resellers:

    Let us know if/when you get one and we'll adjust your forum status.

    The engineering problems are likely insurmountable. It would be like proposing to land a rocket booster section on a barge floating in the middle of the ocean.

  3. Likes Jack@European_Parts liked this post
  4. #3
    Verified VCDS User
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    Jul 2014
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