Q7 MK 1 Discussion Discussion forum for the Audi Q7 SUV built from 2005 to 2015

Fault codes

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Old Mar 15, 2022 | 10:10 PM
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Default Fault codes

Hey champs I am sure few of you fixed these fault codes before
can someone guide me how to fix these and where are these sensor located plus are these related to Aircon? Beaus my aircon stopped working and the aircon button is not staying on
its on Q7 2013 diesel


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Old Mar 15, 2022 | 11:08 PM
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Was the climate control module recently replaced? Was a new radio installed? Otherwise could be a bad module:
https://www.audiworld.com/forums/a8-.../#post24277070
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Old Mar 15, 2022 | 11:46 PM
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Originally Posted by Steelcoil
Was the climate control module recently replaced? Was a new radio installed? Otherwise could be a bad module:
https://www.audiworld.com/forums/a8-.../#post24277070
hey mate no nothing has been replaced, do you reckon the humidity, high pressure sensor and climatronic control are three different problems?
Do you know where about this climatronic unit is located if I wanna replace it and do I need the coding as well?
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Old Mar 16, 2022 | 12:57 AM
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Originally Posted by Raj800
hey mate no nothing has been replaced, do you reckon the humidity, high pressure sensor and climatronic control are three different problems?
Do you know where about this climatronic unit is located if I wanna replace it and do I need the coding as well?
plus it says REAR does it mean the front climatronic control is ok?
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Old Mar 16, 2022 | 05:58 PM
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Both our 2011 and now our 2015 would display that rear HVAC control code. The rear AC worked flawlessly so I ignored it. I read somewhere about it being a known glitch.
I had the humidity control fault in my S5 after a windshield replacement and had to buy a new sensor. Was $$$$. Do your auto wipers still work? Has windshield been replaced?
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Old Mar 17, 2022 | 11:06 AM
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Originally Posted by J. Patterson
I read somewhere about it being a known glitch.
The known glitch for the rear HVAC I know of is for this code.

00003 - Control Module: Mechanical Failure

  • When found in [28] - Heating/Air Conditioning (Rear) in the Audi Q7 (4L/FE) chassis this may be caused by activated child locks (i.e. main window switch lock-out active). The rear display may show (- - -). The following TPIs apply:
    • RoW market 2014727
    • NAR market 2014876
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