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Dreaded Airbag light

scottshere Jul 26, 2012

  1. scottshere

    scottshere Member

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    Ive read through what i can find, but am i right in thinking only Audi can reset the light?
    What is the usual cause of it coming on?
    I recon my other half moved the passenger seat and may have caused it. Not too sure though
     
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  3. jutlis 3.0

    jutlis 3.0 Member

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    think you can reset it without going to audi and the most common cause on most cars seems to be switch/connection under seats someone more knowledgable will be along soon to assist you further im sure
     
  4. benjie

    benjie Well-Known Member

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    Yes, look under the seats, there's a little plastic cover - pull it up and check that the airbag connector is firmly in (yellow one). I'm not sure about making the light go out, I always VCDS. Maybe try taking the battery off for a while?
     
  5. hades-

    hades- Well-Known Member VCDS Map User

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    batt off wont reset the bag light a handheld reader vcds dealer local garage will sort it
    very common for it to be a connection under the seat to the back not the cover on the floor
    get it scanned if it wont stay off once reset you need to do a small repair on the connector,
     
  6. hades-

    hades- Well-Known Member VCDS Map User

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  7. Turkster

    Turkster Bro.Paul 2.5TDI Quattro Sport

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    you need the code deleting by a code reader, i have one if your close ?
     
  8. beachbuggy

    beachbuggy Well-Known Member

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    As above, just done it on mine. Remove cover under seat, unplug yellow connector, spray with isoprol spray and clean terminals. Then you need a full bag con to reset. Total task takes less than 5 minutes so don't pay silly money for it or find someone with vagcom to do it.
     
  9. gen.heinz guderian

    gen.heinz guderian Well-Known Member

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    you can scan airbags and clear the fault with vcds, look on the user map to find some one near you
     
  10. scottshere

    scottshere Member

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    Once again some great advice. Love this forum (dont tell the wife i said that)
    I had a butchers under the seat at the said plugs and wiggled them about. Seems all fine to me. The plastic clip under the passenger seat that holds the wires up is broken, but all wires seem fine too. I will unplug and clean them up then its time to find someone close to Sheffield with VCDS.
    Off to the Lake District in the morning, so it will have to wait till i get back. Soooo good to know i may not have a major issue.
    Time to test out my new tyres on the windy roads while trying to take in some of the views :eyebrows:
     
  11. scottshere

    scottshere Member

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    Thanks, i may take up your offer, will see if anyone is available closer first.
     
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  13. stu_m

    stu_m Well-Known Member VCDS Map User

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    I'm in hull if that's any good?
     
  14. hades-

    hades- Well-Known Member VCDS Map User

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    IM in sunny sheff
     
  15. scottshere

    scottshere Member

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    Cheers, will give you a shout when i get back off my hols
     
  16. scottshere

    scottshere Member

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    Cheers

    Bez is in Sheffield, thanks again
     
  17. karthik gandhi

    karthik gandhi New Member

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    hi guys
    I had to remove the glove box too fix the broken hinge. so i had to unplug the airbag wires. (Audi said they can't fix it and quoted £600 for a New glove box! !) this is why i decided to fix it on my own.

    once i fixed the glove box the srs warning light has come up and not going.

    Can anyone help please?

    I live in London

    thank
    karthik
     
  18. Kieron Revagliatte

    Kieron Revagliatte New Member

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    Hi Karthik!

    I'm having the same issue, anyone replied about it yet?

    Kind regards,

    Kieron.
     
  19. karthik gandhi

    karthik gandhi New Member

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    Hi Kieron

    no replies from here.
    i went to a local German car specialist and it took him seconds to reset it. he charged 60 quid though. still better than overall cost of what audi quoted to replace the glove box

    regards
    karthik
     
  20. Ray Farmer

    Ray Farmer New Member

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    Audi A4 Cabriolet (B6) 2.5di tiptronic.

    My Airbag has been coming on, being re-set (by me using my vag-com) but then comes back on again very soon after ……. So, after reading various answers to this problem, I decided to look into it and get it sorted once & for all. According to my vag-com, it’s the passenger side that is causing the problem, so that’s the one that has been ´altered´ now – PERMANENTLY !

    Firstly, disconnect both terminals of the battery and go have a 30-minute rest (with a nice hot cup of tea perhaps) while the residual voltage dissipates.

    Next you´ll need to remove the reat by removing the 4 splined bolts at each corner of the seat (the front ones are easier to access with a socket set if you lift up the front of the seat – if you have that option fitted that is).

    Now, remove the black plastic cover (in the floor of the car) which just slides forward to remove.

    Pinch the black retaining clip together to loosen the wiring loom from the bottom of the car and remove the 2 multi-plugs by lifting the sides with a small screwdriver – they come out very easily.

    Next, unclip the YELLOW multiplug from its yellow base (has a black & blue wire going to it).

    Now unclip the yellow base by moving a small clip on the top from on side to the other and lifting the plug out. It probably wont have much slack wiring at all, so be careful not to waste anything here.

    ……………….

    Now go into the wiring under the seat itself > you need to locate another of the yellow multiplugs similar to the one you found in the floor of the car. It will have 2 wires (black & blue) going into both sides of the plug > follow the pair of wires that goes towards the seat back-support and cut these 2 wires leaving enough to be able to join the new wiring to it safely and easily. Then all of the (blue & black) wires between the cut and the yellow plug by the floor can be totally removed (or left in place if your not to bothered about neatness)…… however remove the black & blue wires that go through the large black conduit below the seat (which gives enough room to thread the new wires into place).

    Now, I used a thin 240v wire from a discarded house lamp (has a blue & brown wire within) as a direct replacement for the original wiring and the 2 yellow multiplugs.

    At the seat-back end, I soldered together the 2 blues and then the black to the brown …… then wrapped both connections in electrical tape and secured it safely using nylon cable-ties.

    The floor end is a bit harder as the colour-coding isn’t the same. The incoming wires from under the car have 3 wires ? (brown, blue and white).

    Firstly, the brown can be safely tucked back underneath as it does nothing and goes nowhere (& no one seems to know why its there at all).

    The white wire must be connected to the blue wire from the airbag.

    The blue wire must be connected to the black wire (which is brown in my own wiring lead).

    It seems a bit ridiculous, but that’s the way to do it – for some unknown reason, Audi seem to think reversing the wires was a good idea ???

    You wont have much room at all to join these wires (in the floor, but I managed to solder them together OK and then covered them both with electrical tape for safety.

    Now, replace all the underfloor wiring, and the multi-plugs, then the black conduit-clip, then the black plastic cover.

    Re-fit the seat in the same way it was removed and tighten the splined bolts securely.

    Now, you either take the car along to a garage and hand them lots of money for a 5-minute job, or you buy yourself one of the cheap vag-com leads (& disc) from one of the many suppliers on e-bay etc (I bought my own for €5). Now you have to connect the car (via the OBD11 lead under the steering wheel) to a laptop via the USB connection. Open the vag-com program and first set the port (usb inlet) to the correct number (I,2,3 or 4 normally).

    Now open vag-com (top left option) and click on the AIRBAG box > at this point follow the onscreen instructions fully > once you have done as told by the laptop, you will see a box for fault codes – open that, and then click on CLEAR CODES. The light on the dashboard should go out at this stage but if not, you’ve either made a bad connection in the new wiring or the air-bag unit itself is defective and will need replacing). If all is now OK, you should be able to click GO BACK on the vag-com and then exit vag-com >>> and if lucky, you´ll not see the airbag light again – until the other seat goes wrong that is, as this is a common fault on Audis and one which Audi manage to make heaps of money from.

    Basically, one of the 2 yellow multi-plugs will have broken – but I feel its easier to remove both at the same time rather than try and figure out which one and by doing it this way, your also averting having to repeat the process at some future time.

    Hope its all of help and the enclosed picture is of the yellow multiplug in the floor, which clearly shows the wiring colours you need to follow.
     

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  21. Ray Farmer

    Ray Farmer New Member

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    to ad to the above - i tried replacing the wires using simple clip-on cable joiners and bullet-type joiners and neither worked ....... but, using the same piece of cable ( & soldering the wires together) meant i now get to sit back and drive the car without that annoying red-light glaring in my face !
     
  22. goodwoodgreens3

    goodwoodgreens3 Member

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    Guys I had this problem for a long time with the airbag light I straight jointed both the drivers and passenger yellow connectors under the seats with no joy, I changed the igniter in the bottom of the b pillar, no joy.. I came to the conclusion the wiring must have been damaged somewhere and would have to get an auto electrician in to save my sanity. I was trying to find similar problems on the internet and found a thread from the US which the guy stated the lumbar support in his drivers seat had broken... he removed the plastic back cover off the seat and discovered 2 airbag wires rubbed bare grounding out on the seat frame, so last weekend I decided to take a look and low and behold I found my lumbar support broken and both the airbag wires grounded out on the seat frame. A straight coupler and some lecky tape and I now have no airbag light!! Hope this helps somebody else along the way.
     
  23. riccccccardo

    riccccccardo New Member

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    Just had this issue of light randomly staying on. Mecanic said he reset it and will keep an eye on it, it came up as some ignition fire fault he said anything can cause it like a low battery etc...
     
    Last edited: Aug 17, 2018 at 7:04 PM

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