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    Thread: Abs, and Brake light flashing?

    1. Member
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      12-02-2010 11:02 PM #1
      so i'm driving and its the first day of actual snow out (michigan) but anyways i slid on ice, didn't hit anything but ever since then my Abs light is solid, and the break light is flashing..

      And if those lights turn off then the traction control one stays on and i am not able to turn it off.

      But outta no where they all went away for a little while today, then came back when i started driving some more.

      Anyone know what this can be?

      I believe it maybe a bad sensor?

    2. Member mrgreek2002's Avatar
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      12-02-2010 11:59 PM #2
      Check your abs speed sensors, they are just popped into the back of the spindle. My front one's came out last week and caused a light after getting up to 2000 rpms in first gear.

      If the two lights come on as soon as you turn the motor on, then it's a bad/broken abs module.

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      12-03-2010 12:11 AM #3
      Quote Originally Posted by mrgreek2002 View Post
      Check your abs speed sensors, they are just popped into the back of the spindle. My front one's came out last week and caused a light after getting up to 2000 rpms in first gear.

      If the two lights come on as soon as you turn the motor on, then it's a bad/broken abs module.
      Alright and yeah most of the time they are on when i turn the car on, do you know where the sensor is located? and how much does it run for?

    4. Member mrgreek2002's Avatar
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      12-03-2010 01:24 AM #4
      Then it's a sign that your abs module is on it's way out. Let it die fully and then have it re-built soon after. You can safely stop the car without abs and you can also stop with the module un-installed from the car.

    5. Member
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      12-04-2010 03:17 AM #5
      Alright, sounds good..

      But a buddy of mine had a similar problem and it ended up being the abs sensor? i was thinking it was the module also.. idk

    6. Member scotts13's Avatar
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      12-04-2010 09:26 AM #6
      The sensors actually don't go bad that often. Usually they're dirty or not seated properly; they're also not hard to get to. Examine them first, if you like. But it does sound like the module.

    7. Member
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      12-05-2010 05:36 AM #7
      okay new symptom, i start my car to warm up and some times the ABS and the break light are on, or sometimes the traction control light is on..

      But sometimes they're both off and the car drive normal? idk what the hell is going onn..

      so you just recommend locating them and trying to clean them? are they located on the boot its self or by the break sensor?

    8. Moderator Jesstzn's Avatar
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      12-05-2010 05:25 PM #8
      Have you checked the brake light switch?

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      12-06-2010 01:43 AM #9
      Quote Originally Posted by Jesstzn View Post
      Have you checked the brake light switch?
      By that do you mean if the break lights are working? lol

    10. Moderator Jesstzn's Avatar
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      12-06-2010 10:30 AM #10
      Quote Originally Posted by Sharma1492 View Post
      By that do you mean if the break lights are working? lol
      Or working too much ... or if the switch is failing .. you mentioned But sometimes they're both off and the car drive normal? which to me says the car doesn't drive normal when the lights are on.

      On some automatics the car will go into a limp mode if the brake light is on because the switch is failing.

    11. Member
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      12-06-2010 05:40 PM #11
      So your suggestion is drive with the lights turned off and see if they pop up or not?

      This actually does make sense, cause all the times i've driven it and the ABS and brake light popped on was at night time or when my light switch was on

    12. Moderator Jesstzn's Avatar
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      12-06-2010 06:08 PM #12
      Quote Originally Posted by Sharma1492 View Post
      So your suggestion is drive with the lights turned off and see if they pop up or not?

      This actually does make sense, cause all the times i've driven it and the ABS and brake light popped on was at night time or when my light switch was on

      Does your ABS & traction control light both come on when this happens? Does your car run fine all the time or act up when these lights are on?

      Is it an automatic?

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      12-06-2010 10:02 PM #13
      When they come on they usually come on once i start my car or while i drive. Not always when my lights are on.

    14. Moderator Jesstzn's Avatar
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      12-06-2010 11:34 PM #14
      Quote Originally Posted by Sharma1492 View Post
      When they come on they usually come on once i start my car or while i drive. Not always when my lights are on.
      Nothing to do with your lights ...

      Ok lets do this ..

      1) Does the car run fine when the ABS and Traction control lights come on?

      2) Is the car standard or automatic.

      3) When ABS and Traction control lights come on does the brake lights in the rear come on too?

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      12-07-2010 01:06 AM #15
      1) yeah it does run fine, nothing is different other than the fact i don't have traction control nor anti lock brakes.

      2) its a automatic

      3)And the brake lights only come on when i am breaking

      Thanks guys!

    16. Member
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      12-07-2010 01:07 AM #16
      I'm popping off my front wheel tomorrow,

      What should i be looking for?

    17. Junior Member HanSoloV's Avatar
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      12-08-2010 12:08 PM #17
      i've had that same problem for 2 months now. my abs light, check engine light, and d.r flashes break fault STOP.

    18. Member uNLeaSHeD.'s Avatar
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      12-08-2010 01:25 PM #18
      Quote Originally Posted by JordonHay View Post
      i've had that same problem for 2 months now. my abs light, check engine light, and d.r flashes break fault STOP.
      Same here, but my ABS and brake light been flashing for the past month and now just last night my check engine light came on. Bad thing is I don't drive my VW in the winter but since my winter vehicle took a sh*t, I'm driving my VW and now there is a check engine light on Couldn't get any worse.

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      12-08-2010 02:42 PM #19
      Same problem here... Anyone know where the ABS Fuse's are located in these cars?????

    20. Member uNLeaSHeD.'s Avatar
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      12-08-2010 03:18 PM #20
      Quote Originally Posted by WillyWalderbeast View Post
      Same problem here... Anyone know where the ABS Fuse's are located in these cars?????
      Drive side, side of the dash when you open door. Has this just happen to everyone? Do you guys live in a place that has snow or reall cold weather? Is there maybe a recall on this?

    21. Member scotts13's Avatar
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      12-08-2010 05:12 PM #21
      Quote Originally Posted by uNLeaSHeD. View Post
      Drive side, side of the dash when you open door. Has this just happen to everyone? Do you guys live in a place that has snow or reall cold weather? Is there maybe a recall on this?
      It's a very common problem. I daresay the great majority of the modules will fail eventually. No recall or adjustment program on this, and as the B5 has been discontinued for six years now, there probably won't be.

    22. Member uNLeaSHeD.'s Avatar
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      12-08-2010 06:42 PM #22
      Quote Originally Posted by scotts13 View Post
      It's a very common problem. I daresay the great majority of the modules will fail eventually. No recall or adjustment program on this, and as the B5 has been discontinued for six years now, there probably won't be.
      Yea, I just went and took the car for a drive and there is no check engine light anymore, but once I did a U turn on the back roads the ABS and brake light came one and stayed on till I got home and turned off the car. Also the traction light didn't work after that.

    23. Member
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      12-09-2010 12:07 AM #23
      I did call Volkswagen of america and filed a complaint. they did say if i can get more people to call in about this their is a possibility of a warranty extension/recall.

      But i had the same thing happen to me once i made a U-Turn, its so dumb how problems after problems are popping up. i'm about to put my car up for sale and buy a JDM (so much more reliable)!

      But i am going to a place called "eurotech" located in Holland, MI tomorrow so i'll let you guys know what they say so you can get this fixed without paying the fee of going to a dealership or most shops..

    24. Member scotts13's Avatar
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      12-09-2010 12:18 AM #24
      Guys, DON'T go to the dealer, and DON'T get a new or salvage module. Those will have the same hair-thin wires and failure rate. Send your existing module off to be rebuilt; there are a lot of places, but one of the most popular is Modulemaster. Cheaper, and will probably last longer. Take your module out (you can drive without it) using the instructions on their web page. Seriously.

    25. Member
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      12-09-2010 01:34 AM #25
      Quote Originally Posted by scotts13 View Post
      Guys, DON'T go to the dealer, and DON'T get a new or salvage module. Those will have the same hair-thin wires and failure rate. Send your existing module off to be rebuilt; there are a lot of places, but one of the most popular is Modulemaster. Cheaper, and will probably last longer. Take your module out (you can drive without it) using the instructions on their web page. Seriously.
      how much would that run?

    26. Member scotts13's Avatar
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      12-09-2010 03:53 AM #26
      Quote Originally Posted by Sharma1492 View Post
      how much would that run?
      At Modulemaster, $160-$300. If you click on their link in my previous post, it will lead you through identifying your module and getting the price. Back when I was young and foolish, I paid the VW dealer $700 for mine.

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      12-09-2010 04:20 AM #27
      Quote Originally Posted by scotts13 View Post
      At Modulemaster, $160-$300. If you click on their link in my previous post, it will lead you through identifying your module and getting the price. Back when I was young and foolish, I paid the VW dealer $700 for mine.
      yeah, i think i'm in that age group lol,

      But is this something i could just do myself? i heard i can mess up the brake lines or something?

    28. Member scotts13's Avatar
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      12-09-2010 09:28 AM #28
      Quote Originally Posted by Sharma1492 View Post
      But is this something i could just do myself? i heard i can mess up the brake lines or something?
      R/R the module? Sure. You're not going to "mess up" the brake lines because you never touch the hydraulic portion of the system; the electronic unit separates cleanly. The only thing even slightly fiddly is making sure you cover the valve domes to keep them clean until you put the module back.
      Last edited by scotts13; 12-09-2010 at 11:33 AM.

    29. Member uNLeaSHeD.'s Avatar
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      12-09-2010 11:20 AM #29
      Awesome I'll take this out today. Tahnks for the help guys

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      12-09-2010 02:30 PM #30
      Quote Originally Posted by JordonHay View Post
      i've had that same problem for 2 months now. my abs light, check engine light, and d.r flashes break fault STOP.
      My car has the same symptoms

      Basically I bought my Passat with this fault, abs unit had just been refurbished but fault reappeared after a handful of miles

      Recently bought a spare abs unit from a friend breaking his, this was fine on his car but now on my car faults are showing again

      As original unit is off car and under warranty I will be sending this back shortly, hopefully this will cure it

    31. Member
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      12-09-2010 05:05 PM #31
      Did go to eurotech today, they told me its my module..

      They gave me a few options on what i can do, but i think i'm going to send it in to get rebuilt at

      http://www.modulemaster.com/en/Volks...assat_info.php

      I suggest the same for all you guys that are having this problem also..

    32. Junior Member
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      12-12-2010 06:06 PM #32
      Instead of guessing, why not have the vehicle scanned for faults to determine what component is faulty? What if you replace the ABS module only to find out that it was sensor?

    33. Junior Member silo's Avatar
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      01-23-2011 12:56 PM #33
      i have a 99 passat that has the asb and brake light on whenever i turn the car on its also in limp mode do you have asny suggestions to what can be wrong???

    34. Moderator Jesstzn's Avatar
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      01-23-2011 01:04 PM #34
      Quote Originally Posted by silo View Post
      i have a 99 passat that has the asb and brake light on whenever i turn the car on its also in limp mode do you have asny suggestions to what can be wrong???
      Did you check the brake light switch?

    35. Junior Member silo's Avatar
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      01-24-2011 08:56 PM #35
      where can i find the brake light switch and when i find it wheat am i looking for?

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