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Audi a3 8p heated seats not working.

TheRedA3 Jun 14, 2019 at 9:25 PM

  1. TheRedA3

    TheRedA3 New Member

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    Hello everyone,

    I retrofited electric heated seats to my audi a3 8p 2012. I bought looms from kufatec and wired in using there instruction. Im able to move the electric seats but no heat. I attached a picture of the loom pin instructions. If you need anymore info i can post or reply. Please help me get heat lol.

    Thanks
    Charlie 07482454956
     

    Attached Files:

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  3. abmat

    abmat Active Member Team Dolphin Grey Team V6 VCDS Map User Audi A6 Audi A3 Audi Avant Owner Group quattro

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    You have the correct heater controls etc?
     
  4. paddy

    paddy Well-Known Member Team Ibis Audi S3 Black Edition DSG

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    I would imagine they would need to be coded in ?
     
  5. Matt268uk

    Matt268uk A3 Sportback VCDS Map User Team Phantom Audi A3

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    Yes they do need to be coded. Try asking @Ash187 he’s the main man for this issue.
     
  6. TheRedA3

    TheRedA3 New Member

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    Thanks for all your replys

    @abmat yes same climate control unit from same year part numbers etc.
    @paddy & @Matt268uk @Ash187 how do i code them? I have vcds.

    Thanks Charlie
     
  7. Ash187

    Ash187 Audi-Retrofits.co.uk Gold Supporter VCDS Map User Audi A5 quattro

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    Heated seats in the 8P A3 don’t need coding. As long as you have the correct climate control and the wiring done properly with a fuse you will get heat.
    Kufatec looms are always wired for LHD cars which means when you turn on the UK drivers side the passenger side seat will warm up. You can test this in the measuring blocks in VCDS under the HVAC control module.
    If it’s not working it’s due to your wiring or faulty seats (highly unlikely it’s both seats)
     
  8. TheRedA3

    TheRedA3 New Member

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    Thanks for your reply ash,
    How can i make sure ive got the correct unit for sure? Also will double check wiring any tips for finding incorrect wiring. How can i change the wiring so when i turn on the drivers side the seats gets heat. I contracted kufatec they aint the best of help.
    Also in what number module in vcds is the HVAC? Thanks Charlie
     
  9. TheRedA3

    TheRedA3 New Member

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    Hello all,

    My orginal part number is 8P0820043BM XHA and new part number is 8P0820043BN XHA, the closest nunber i could get. Is this my problem? Thanks Charlie
     
  10. TheRedA3

    TheRedA3 New Member

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    Hello all,
    I put it the car vcds today. Got theses fault codes from the heated seats;
    01854 - heated seats right z46
    012 electric fault in circuit.
    Photos attached.

    I used a volt metre to check all wires under seats and also behind climate control. Couldn't find any fault. Someome please help. Can pay for assistance.

    Thanks Charlie
     

    Attached Files:

  11. ch1z64

    ch1z64 C'mon you's bhoy's in Green Team Imola TFSI Owners Group Silver Supporter Team Sprint Audi S3 Manual

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    Why not book your car in with @Ash187 and get it done correctly once and for all then no problems , be the best pennies you spend , plus he is London
     

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