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  1. #1
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    Auxiliary Heater (Z35) - DTC

    Hi all

    I have done a scan for DTC's on my Audi A3 2.0 TDI 2004 and I have the following 2 DTC's. I didn't even think my car had an Aux Heater? I have looked through the manual and the fuse (F30) is the only thing that mentions the Aux Heater, and there isn't even a fuse in that spot anyway. Can anyone advise?

    Address 08: Auto HVAC Labels: 8P0-820-043.LBL
    Part No SW: 8P0 820 043 D HW: 8P0 820 043 D
    Component: KlimavollautomatH12 0150


    1 Fault Found:
    00483 - Control Module for Auxiliary Air Heater
    013 - Check DTC Memory
    Freeze Frame:
    Fault Status: 01101101
    Fault Priority: 3
    Fault Frequency: 1
    Reset counter: 84
    Mileage: 183448 km
    Time Indication: 0
    Date: 2012.03.19
    Time: 18:22:11


    Freeze Frame:
    ON


    Address 7D: Aux. Heat Labels: 1K0-963-235.LBL
    Part No SW: 1K0 963 235 D HW: 1K0 963 235 D
    Component: PTC-Element 0404


    1 Fault Found:
    00361 - Heater Element for Auxiliary Heater (Z35)
    014 - Defective


    Thanks

    Rick

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  3. #2
    audigex's Avatar
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    I saw mention of it in my manual - didn't really pay attention because it warms up reasonably quickly, I've got heated seats anyway, and it's never cold enough here to need it. Could it be right that ere are two additional heaters possible, one in every TDI (because it takes longer to warm up) and one for cars exported to cold countries?
    Ibis White A3 Sportback Black Edition.
    2.0 TDI (170) Quattro
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  4. #3
    SAiLO's Avatar
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    Auxiliary Heater mentioned in your VCDS reading warms up the cold air before the coolant reaches the temperature, heating up the air coming through the air vents as soon as you start the engine.
    VCDS USER

 

 

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