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  1. #1
    Veteran Member Three Rings noznab's Avatar
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    Jul 08 2007
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    B6/B7: Homelink Fix

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    I've been meaning to post this for about 2 years now, so I don't remember all of the sizes for the screws/bolts but its pretty straightforward. Basically the symptoms are when pushing any of the buttons on the visor the LED light does not blink. This means the unit isn't getting power even though their fuses are ok and the module is working. What I learned is over time as your control arms wear they slowly get so much extra play they will actually chafe against the wires in your wheel well that power the homelink system and tear the connection.

    The first thing you'll want to do is jack up the car and remove the front driver side wheel. After that you'll have to pull the wheel well liner. It's just held in by a few torx screws, and I think a philips head at the top of the wheel well near the outside of the fender. Don't be afraid to give it a good tug when you pull it out once you've removed the screws. If you look to the top right you'll see a plastic shield that conceals some wires-- mine was cracked. Here's what the shield looks like when it's removed:

    In this picture I already removed the plastic piece but you should basically see this:

    IIRC, the plastic piece is held on by two nuts. Remove those and you'll see the wires hanging like this photo. If you look closely you can see where I found the tear in the connection.

    Strip a little more of the casing off so you can twist the two lines together and re-solder the connection. Make sure you use shrink tubing to cover where you made the repair, then just wrap it in electrical tape. Again, what happens is over time as your control arms wear they slowly get so much extra play they actually hit the plastic shield and crack it. After that it's only a matter of time before they chafe against the wires and tear the connection. This is why the homelink doesn't get power. If you're still having trouble after this try swapping your actual homelink box located in the passenger side of the engine bay, attached to the core support.
    Last edited by noznab; 07-17-2013 at 06:34 AM.
    A few mods here and there

  2. #2
    Veteran Member Three Rings bangoman's Avatar
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    Jan 05 2010
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    Didn't even know this was possible! (My garage door is not homelink compatible) Thanks for the DIY and heads up
    RS4. Mods: Valeo 900-22-5B on both sides

  3. #3
    Senior Member Three Rings dextrek's Avatar
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    Aug 26 2008
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    B7 S4

    Wow, I had no idea. I am gonna try this tonight and see if I can fix mine!


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  4. #4
    Veteran Member Four Rings crabpot's Avatar
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    Apr 16 2008
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    My Garage
    2008 Chevy Silverado 1500
    Mill Creek, WA

    Great time for this thread to be created, this happened to me the other day when I was trying to open my garage. Turned off the car and restarted and it worked just fine, but I'm carrying a spare garage door opener for the time being because I thought I was locked out of the house for a minute.

    I'll have to look into this.

  5. #5
    Veteran Member Four Rings papadelogan's Avatar
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    Jul 31 2011
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    My Garage
    1999 F250 7.3 Powerstroke

    I was thinking I was going to have to do this and then I read my owner's manual. For those new to Audi (like myself - just bought yesterday!) here's a very important thing to try:

    You have to have the car turned on (but not running - KOEO - Key On Engine Off) to do the programming.

    I've read about half a dozen or so threads about HomeLink not working, can't program, etc. and then when I found that you need to be on but not running, I tried again and VOILA!!! I'm all programmed up now!! Try the easy stuff first, and if none of those work, then move on to the "harder" items, though with the details and pics provided in this thread, it's not that hard at all.

  6. #6
    Veteran Member Four Rings mr shickadance's Avatar
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    Jul 08 2010
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    My Garage

    mods if you can copy this and put it in the b7 tech section that would be the tits

    2011 S4

    America is all about speed, hot, nasty, bad-ass speed - Eleanor Roosevelt

  7. #7
    Established Member Two Rings rockchalk1339's Avatar
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    Mar 17 2010
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    My Garage
    2004 S4
    Houston, TX

    Hasn't happened to me but good heads up and post. Thanks!

  8. #8
    Senior Member Two Rings jayM's Avatar
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    Jun 29 2007
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    thanks for the DIY. It worked for me.

    2012 Mercedes-Benz C350 4matic Sedan
    2006 Audi A4 2.0t quattro - Sold
    Vancouver, Canada

  9. #9
    Registered Member One Ring
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    Dec 23 2010
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    North Shore, MA

    Ditto, great resource.

  10. #10
    Veteran Member Four Rings mcpcartier's Avatar
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    Oct 15 2011
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    My Garage
    08 xB, 13 Ex, 16 Civic EX

    So my Homelink stopped working this week...what a pain. I was scratching my head because the all the buttons on visor illuminate but the LED that lights up when you press a button never lights up anymore.

    A little search in the forums and found this gem. Hoping the wires supplying power to the module have suffered the damage noted above so it's an easy fix. Will take a look at it this weekend and post an update.
    2007 2.0T Q 6MT, S-Line, Ti Package, BB
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  11. #11
    Established Member Two Rings markskyline's Avatar
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    Nov 15 2010
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    08 Ninja ZX6R, 15 Harley Iron 1200, 05 Range Rover, 00 Porsche Boxster
    Vancouver BC

    The B7 I just got already had the home link not lighting up. The previous owner said it hadn't worked in a few years but wasn't sure why. Thanks to this post my home link is working! Both wires were damaged and separated. The plastic housing was all cracked as well. Soldered some new wires together and she's working again.

    Thanks for the info!
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  12. #12
    Veteran Member Four Rings CorneliusRox's Avatar
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    Jul 19 2011
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    2003CBR600rr, 1997 12VCummins4X4
    Northern Minneapolis, MN

    Hell yeah, thanks man! You saved me a lot of time tracing the wires from top to bottom! At least a couple hours of time!

    I ripped the fender lining off, and found the plastic protector for the wires. It looks like you can do this all without removing the fender, but I dont think it is worth the effort. Just remove it and life will be easier.

    So when I found the cover insulation, it was already separated, but I couldnt see any wires inside of it that were broken. It honestly looked like it was there for no reason, so I cut into it until I found the wires way down. I am thinking they must have been pretty tight and that probably had something to do with them breaking.

    I added about 4" of wire to both so that they had some room to make the bend without being in tension. Then I wrapped them in a bit of electrical tape to help protect them.

    Routing and clipping done and time to go back together:


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  13. #13
    Active Member One Ring redmcoupe's Avatar
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    Nov 19 2015
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    I know this thread is a little old but I'm having a problem with my Homelink not lighting up in a 13 allroad. Anybody know if they all wired in the same place?

  14. #14
    Senior Member Three Rings Van Black's Avatar
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    Sep 07 2015
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    Dumb question: HL doesn't work, fuse OK, ground OK, 11.2V on one wire and 0.3V on the 3rd, is that cool?

    07 A4 2.0 TFSI Quattro,Rebuilt engine, BPG pistons, S-Line interior, S-Line suspension, S4 brakes, RNS-E & Bose

  15. #15
    Senior Member Four Rings Terry.Reese's Avatar
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    Oct 05 2015
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    2005 Audi Allroad 2.7 Biturbo V6
    Billings, MT

    You are my hero! mine works, but I still have to be so close to the garage that the original one is still more useful, but at least it works now!


    JHM intake spacers, DIY intake flapper mod, ported TB, heat wrap IM, 034 motor mounts, 12mm wheel spacers, CustomCAI, ZimbuTune, A8 D2 exhaust manifolds, Magnaflow resonated x-pipe. Instagram

  16. #16
    Established Member Two Rings kevin1970beetle's Avatar
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    Oct 30 2010
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    1970 vw beetle,
    San Antonio, Texas

    I know I'm bringing this post back from the dead but does anyone have these pictures still?

  17. #17
    Senior Member Three Rings
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    Jul 15 2015
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    Rochester NY

    Quote Originally Posted by Terry.Reese View Post
    You are my hero! mine works, but I still have to be so close to the garage that the original one is still more useful, but at least it works now!

    I saw your comment Terry and wanted to pass on that we found we could get the garage door to open with some distance e.g. 10-15yds, but that the button required a sustained push. Just a tap is not sufficient for our car at least.

  18. #18
    Veteran Member Four Rings q_dubz's Avatar
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    Dec 16 2008
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    Single Turbo V8 S4

    pictures from the OP can be found at the top of this page:


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