Need help please!! Windows, sunroof, inner lights don't work!! Whats the problem??? - AudiForums.com
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Audi A6 The mid-sized Audi A6 model offers more room to the driver and passengers over the A4 line.

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  #1  
Old 07-30-2010, 05:59 PM
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Default Need help please!! Windows, sunroof, inner lights don't work!! Whats the problem???

(1999 AUDI A6 QUATTRO) My windows will not roll down, inner lights do not work, sunroof doesnt work, inner door locks do not work and alarm will not set. What is the issue? What do I need to check for? PLEASE HELP. I am clueless!

Thanks

Grant
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  #2  
Old 07-30-2010, 11:25 PM
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Moved for better response.
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Old 07-31-2010, 12:10 AM
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Quote:
Originally Posted by kriptonik View Post
Moved for better response.
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Originally Posted by gjcgjc13 View Post
(1999 AUDI A6 QUATTRO) My windows will not roll down, inner lights do not work, sunroof doesnt work, inner door locks do not work and alarm will not set. What is the issue? What do I need to check for? PLEASE HELP. I am clueless!
Okay, have you checked fuses? When did it start happening, was it all together randomly one day? Were you doing something? What on the car still works?
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  #4  
Old 08-01-2010, 02:00 AM
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i have checked the fuses and they look good. it just happened a few days ago while i was driving. the windows will not roll up or down, the sunroof will not go back and forth, the inner lights and locks do not work. They all went out at the same time. The radio, air, auto heated seats still work and everything on the outside works (lights, locks etc). I dont think a fuse controls all of that, what do you think? Could it be on the relay board or a circuit breaker? If either, where are they located on the car to check?

thanks
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  #5  
Old 08-02-2010, 04:00 PM
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did you have any heavy rains around the time they quit working? Have you in the near past had any water around the drivers floor? I would pull up your carpet in front of the drivers seat and take a look at your interior control module it is in a black plastic box under the carpet in front of the drivers seat. if there is any water around the box or in it get it dried out right away.

The flood car I bought for my daughter had the exact same symptoms and what I found was the water had gotten into the ICM and caused it to fail after replacement I still had the exact same symptoms as you are experiencing the power windows wouldnt work nor the sunroof or the interior lights. after much searching I found that there are butt splices located inside of the main wiring harness which runs along both driver and passenger door sills and under the front seats. these splices have a rubber boot on them that will hold water if it gets into the car. then the wires corrode off and things stop working. The ones I found that were bad were inside of the Harness along the front drivers door and one in the harness under the drivers seat but there are others located in the harness on the passengers side in the same locations.

Hope this helps.
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  #6  
Old 08-05-2010, 09:47 AM
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I have to rip the carpet up in order to get to the ICM? If that is in fact the problem, how much would it cost to replace and how did you fix your problem?




thanks



grant
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  #7  
Old 08-05-2010, 10:46 AM
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Quote:
Originally Posted by padog View Post
did you have any heavy rains around the time they quit working? Have you in the near past had any water around the drivers floor? I would pull up your carpet in front of the drivers seat and take a look at your interior control module it is in a black plastic box under the carpet in front of the drivers seat. if there is any water around the box or in it get it dried out right away.

The flood car I bought for my daughter had the exact same symptoms and what I found was the water had gotten into the ICM and caused it to fail after replacement I still had the exact same symptoms as you are experiencing the power windows wouldnt work nor the sunroof or the interior lights. after much searching I found that there are butt splices located inside of the main wiring harness which runs along both driver and passenger door sills and under the front seats. these splices have a rubber boot on them that will hold water if it gets into the car. then the wires corrode off and things stop working. The ones I found that were bad were inside of the Harness along the front drivers door and one in the harness under the drivers seat but there are others located in the harness on the passengers side in the same locations.

Hope this helps.
I agree. Usually I find a broken wire, right at the butt connector about 6 inches into the harness in front of the plastic box, under the drivers carpet. There are 2 wires running into one side of the butt connector, and a single wire on the other end. Second most common is water in the module.
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  #8  
Old 08-05-2010, 05:49 PM
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Are you positive you checked ALL the fuses? My car has like 35 diffrent little fuses ( Majority of them in the door well and 4 of them under the hood) and ONE fuse controled my auto door locks, sunroof, fuel gauge, oil temp gauge and auto windows. I changed that ONE fuse...a blue #15 fuse and everything worked.
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Old 08-06-2010, 10:23 AM
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OMG, I feel like such an idiot!! I just checked the similar fuse (#15 blue) and it was fine. I then went back to the manual (for the 5th time) to check all the controlls for the fuses and one struck my eye. In the manual one fuse (#14-10 amp) states it controlls interior lights, reading lights, anti-theft alarm, vanity mirror and seat memory (nothing about interior locks, sunroof, windows etc). I checked the fuse and sure enough it was blown. Lucky enough I had a back up fuse in the reserve compartment, replaced it and sure enough the interior lights went on, sunroof, door locks and windows came alive!! I am so thrilled that was the only issue!

Thank all you guys for the help.

note: i wish the owners manual was more clear on what the fuses actually control since it didn't reference on what controls the windows, door locks, sunroof etc.
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  #10  
Old 04-28-2013, 10:20 PM
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Default Me Too

Thanks for posting the follow up. That solved my problem too.

A few more details... I have a 2000 Audi A6. All of my windows were down and did not respond to switch to come back up. The console door indicator showed all of my doors and trunk were open. I didn't solve this problem right away, and was not aware that my battery was draining during this time. My 6 month old battery was reading 2 volts, which needless to say will now need replacement.

Reading your note, I found that the #14 fuse was also blown on mine. It supposedly is the "dome light". As the windows are not on fuses, but rather front and back circuit breakers located under the steering column, this had lead me in the wrong direction. Replacing the #14 dome light fuse fixed everything. Now I just need to buy a new battery.

Thanks again.
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  #11  
Old 06-01-2013, 12:58 PM
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I have a lot of the same problems. Started with some smoke from dash and radio died, found blown fuse on radio and back of radio scorched. Then a day later the windows, sunroof, turn signals, power locks and blower motor quit working. I replaced all the breakers and fuses....now what do I look for? There is no water inside anywhere either. This is on a 2000 audi a6 quattro avant.
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  #12  
Old 06-20-2013, 03:12 PM
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Please help! Im new to this site so please bear with me! I have a Audi A6 tdi saloon all elec windows not working? Dome lights not working? Dash says all doors are open? Checked all fuses a 100 times (fuse "14" 200 times) really wish it was just the fuse14 that was the prob like every body else but it's fine? I haven't checked that thing under the carpet yet but I will when it stops raining, I only bought the car yesterday so I don't know how the fault started the last owner said he thinks it's a relay thingy under the steering wheel behind the fuse box? Also drivers outside door handle is playing up you can get it to open by applying pesher
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  #13  
Old 06-20-2013, 03:23 PM
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Please help! Im new to this site so please bear with me! I have a Audi A6 tdi saloon all elec windows not working? Dome lights not working? Dash says all doors are open? Checked all fuses a 100 times (fuse "14" 200 times) really wish it was just the fuse14 that was the prob like every body else but it's fine? I haven't checked that thing under the carpet yet but I will when it stops raining, I only bought the car yesterday so I don't know how the fault started the last owner said he thinks it's a relay thingy under the steering wheel behind the fuse box? Also drivers outside door handle is playing up you can get it to open but it takes a lot of time and fiddling I took the door panel off but not completly (wires etc still attached) n sprayed some WD40 on the mechanism still no joy! But now I've replaced the door panel the red light that indicates that the alarm is active doesn't light up I forgot how much fun audi's are to own, BTW its a A6 tdi Quattro v6 saloon 2001 thanks in advance if you have any info that might help
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  #14  
Old 06-21-2013, 03:43 PM
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Fixed the bastard!! Right the dodgy door handle started to work better n better after I sprayed WD40 on it, it now works fine.
The electric windows n dome lights was a ****** to fix the problem was in the black box under the front carpet of the passenger side foot well ( uk right hand drive model ) u need to take the trim off the sills and force a gap big enough between the floor n the carpet to reach in and grab the black box out (it's only got wires going into it at one end so it will let u retrieve it enough to inspect it) noticed straight away it had water in and around it, dried it all off best I could there is about 5 scart lead type plugs? That plug into a circuit board thing? Unplugged them all dried n cleaned them, one of them was in a really bad way green corrosion all over it really hard to unplug so drowneded it in WD40 n cleaned it up, then I noticed one wire had corroded away from inside the plug pretty much impossible to re-join again but had a bit of different size scrap wire lying round and managed to bodge it inside the plug n join it to the corroded wire! JOB DONE, not sure how long my kwick fix will last so if it fails again I will go to a car breakers yard and cut the plug off another car and join my wires to it, please note this was not a easy job for me to do I'm not a car mechanic or a electrician! It took me about 4 hours of fiddling about n I've got no skin left on my knuckles! now I know what I'm doing it would be easy for me, hope this helps someone I'm not sure where the water came from as i only bought the car two days ago...
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  #15  
Old 01-26-2015, 05:52 PM
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Default interior lights rear defroster

Lights work sometimes but not when i push button to turn them on on when i unlock door. I push buttons while in car and nothing,I get out and hit lock button and they come on. Rear defrost dosent work at all
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  #16  
Old 01-26-2015, 05:55 PM
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Default interior lights rear defroster

Lights work sometimes but not when i push button to turn them on on when i unlock door. I push buttons while in car and nothing,I get out and hit lock button and they come on. Rear defrost dosent work at all Ipush button the little light comes on for a second thencuts off what should i check first fuse for interior lights cant be bad cause they do come onwhen they want not when i need them
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  #17  
Old 01-27-2015, 11:34 AM
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Follow up message that may or may not help others.

Replacing the dome fuse temporarily fixes the issue. The root cause seems to be related to use of my driver side rear passenger door. If that door is opened, there is about a 50% chance that the dome light fuse will need to be replaced, resulting in the above symptoms of, windows don't work, dome light doesn't light, and all doors show as being opened when they are not. So, I suspect there is a short associated with opening the rear driver side passenger door. I haven't torn it apart to track it down yet. In the meantime, I don't just don't use that door , and as a result never see the issue again.

Good luck
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  #18  
Old 06-27-2015, 08:57 PM
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Default Windows, Sunroof & Interior Lights not working

For a few weeks, the windows worked intermittently and then one day I opened the sunroof and nothing worked again. I closed the sunroof manually.

I checked all the fuses and all was good. The driver side floor was once flooded during a continuous rain for 3 days. I went to the car wash today and again water was on the driver side floor. It seems like the water was coming from where the pedals are.

Reading other posts, it seems the problem with the windows and sunroof not working is because of the controllers under the driver seat.

Questions:
1. Where do you think the water is coming from? Could it be clogged sunroof drain?

2. If it is the sunroof drain, how can I clean or unclog it.

3. What is the name of the controller under the driver seat called and how much is the replacement part cost?

Your feedback is much appreciated.
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  #19  
Old 06-29-2015, 09:06 AM
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The box under the driver seat is the interior control module your best bet is to find a used one just be sure the part numbers match. there can be two causes for your water problem you will want to pull your battery out and check the drain underneath it this was the cause of my flooding or it could be the sun roof drain which I have never had an issue with but do some searching here on the forums you will find many topics about it. Also be sure to inspect the wiring harness under the drivers seat and along the driver door sill there are butt connectors in the harness that corrode due to the water and will give you fits!
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Old 06-29-2015, 09:06 AM
 
 
 
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2001, 99, a2, a4, a6, audi, dont, lighting, locks, problem, roll, sunroof, window, windows, wont, work


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