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post #26 of 394 Old 02-15-2008, 10:47 AM
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Re: DIY: BCM Turn Signal Fix

hi all, tnx so much for this great DIY, I recived the relays from Mouser
in just 4 days (I live in Sicily) and I am going to replace them. after that I'll go to the hyundai service with the burned relay!!! Hey men I saved 900 (Euro) almost $ 1.300 USD. The relay could be easly reparate but it isn't a good thing to do in the BCM so better to replace them 2 .
I'll say if it will work again (I am sure yes)
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post #27 of 394 Old 03-08-2008, 08:04 PM
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Re: DIY: BCM Turn Signal Fix

My left signal died today and I knew right away it was the BCM but didnt know it could be fixed so easy. Thanks for the great DIY you saved my a$$. Im getting a new house and 700-900 bucks is more than I can fork out.


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post #28 of 394 Old 05-07-2008, 05:29 AM
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Re: DIY: BCM Turn Signal Fix

Quote:
Originally Posted by rlaxogus View Post
board works fine, i put it back in.
i'll just continue to wave my arms at people i guess
lol i had to do the same thing in my old Elantra, with my case tho both left and right went out on me... people in my area didn't even know what the arm signals meant (turning left arm full out pointing left, turning right arm straight up) got pulled over for it once to, lol
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post #29 of 394 Old 05-22-2008, 09:52 PM
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Re: DIY: BCM Turn Signal Fix

Awwwwww man this sucks,i was at work getting ready to goto lunch,start my car and my turn signals start buggin out, and i'm like what the hell is going on now. i love the car but damn i think the 03 is the worst of them all. its an electrical nightmare. changed my door acuators,and window motors at least once in each door. i'm buggin out and now this,its got me pissed. i've never had such bad luck,and not so sure i can fix this myself. does any other model have this problem. can u actually buy the whole board instead of replacing the little gismo. someone help me out here please.

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post #30 of 394 Old 05-23-2008, 04:37 AM
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Re: DIY: BCM Turn Signal Fix

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Originally Posted by djeterss View Post
Awwwwww man this **** sucks ***,i was at work getting ready to goto lunch,start my car and my ****ing turn signals start buggin out, and i'm like what the hell is going on now. i love the car but damn i think the 03 is the worst of them all. its an electrical nightmare. changed my door acuators,and window motors at least once in each door. i'm buggin out and now this,its got me pissed. i've never had such bad luck,and not so sure i can fix this **** myself. does any other model have this problem. can u actually buy the whole board instead of replacing the little gismo. someone help me out here please.
yes you can buy it but it is expensive man.my advise is this..calm down first,then order the relay,take out the whole bcm,take it to a pro to replace the relay(make sure he replaces the right one. )then put everything back and you 're good to go..don't worry about thngs like that.everything can be fixed easily...
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post #31 of 394 Old 05-23-2008, 02:12 PM
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Re: DIY: BCM Turn Signal Fix

hey guys listen, i spoke with HYUNDAI MOTORS OF AMERICA, they said its not a re-call on the BCM for all the '03's cause they never had any complaints about this situation,but all of us who have had a problem with it or replaced it would call up and tell the lady i spoke with there stories about this then she will make sure it becomes a re-call cause so many of us are having this problem. i wanna look out for everyone on here and make sure noone goes through this in the future. The one thing i told her was "You can't predict when this thing will go,if it goes b4 your warrenty or after it, either way there has to be something we can do. its gotta be a defect in the 03 cause i'm not the only 1 with this problem,theres so many others who have had this happen to them also. Lets all get together on this and take a stand, i have the # to this lady and her ext# so if everyone wants to make sure tht if this thing ever goes again,they won't ever have to pay $600-$800 again. We gotta take care of this situation,its costing all of us lots of money. I'm looking out for everyone,not just the ones who have there warrenty still.

# is 1-800-633-5151, ext# 54219.let her know that Tom sent you. Her name is KELLI!

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post #32 of 394 Old 05-28-2008, 01:45 PM
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Re: DIY: BCM Turn Signal Fix

Thanks a ton for this DIY! Looks like it may save me a bundle on my 03. Quick question, will a desoldering braid do the trick for desoldering? I've got some soldering skills but I was never good with a solder sucker. I'm a jedi master with the braid though.
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post #33 of 394 Old 06-20-2008, 09:49 AM
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Re: DIY: BCM Turn Signal Fix

Woohoo! It worked like a charm! Only took me about an hour total to remove the BCM and re-install it. Overall, a VERY easy project to do yourself.

Thanks a bunch ozkrow for this DIY. I ended up getting the relay changed at a tv repair shop for $31. Total cost for everything including shipping of the relay was $57. You just saved me a ton of money that I didn't have.

Working turn signals FTW!
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post #34 of 394 Old 07-20-2008, 02:10 AM
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Re: DIY: BCM Turn Signal Fix

Almost a year after the diy.
Still 100%
And I even bought 2 extra relays just in case

THANKS AGAIN
VBR
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post #35 of 394 Old 08-03-2008, 12:30 PM
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Re: DIY: BCM Turn Signal Fix

So I did this last night and it did not fix the problem. Right works perfect just like it did. Left doest stick anymore but it clicks really fast and no light (tail, front, or inside cabin indicater) light up. Suggestions? I read somewhere else you may have to change both of them. True?
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post #36 of 394 Old 08-27-2008, 02:28 PM
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Re: DIY: BCM Turn Signal Fix

Is the relay that is on the first page the same for both turn signals.....


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post #37 of 394 Old 09-26-2008, 12:20 PM
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Re: DIY: BCM Turn Signal Fix

Amazing Fix guys - here in the UK, the Hyundai dealers want $1,230 for a BCM. I have just followed the above procedure, and it's all working great now. Thanks for your post - couldn't have done it without you

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post #38 of 394 Old 09-26-2008, 12:24 PM
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Re: DIY: BCM Turn Signal Fix

The relay actually is 2 relays in one, both left and right

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post #39 of 394 Old 10-23-2008, 12:56 AM
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Re: DIY: BCM Turn Signal Fix

Just did the fix on my 2002 V6 Tibby, worked a treat. Ordered the relay form Mouser, EP2 3N1ST on Monday and it arrived here on Thursday (Australia). Thanks for the fix Ozkrow.
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post #40 of 394 Old 11-15-2008, 11:44 AM
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Re: DIY: BCM Turn Signal Fix

Question, I have an 04 tiburon that started with the Right Blinker sticking, then now i have no turn signals at all. Would this fix the same thing?. Dealer here in Texas wants 1042 for the part the BCM i think it's ridiculous, so im willing to try the fix but it's my only means of transportation. so i dont want to mess up anything else. So wow looks like the Clutch and This are common issues, im so dissapointed on Hyundai now.
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post #41 of 394 Old 12-01-2008, 06:59 PM
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Re: DIY: BCM Turn Signal Fix

thank you so much for this DIY i just did it works great.


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post #42 of 394 Old 12-11-2008, 01:45 PM
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Re: DIY: BCM Turn Signal Fix

Hey All,

So my right turn signal is frozen on and im about to try this DIY. I just wanted to confirm something. Is this DIY (More specifically the relay that will be changed) a fix for either the left or right turn signal? Or does it work for both?

Thanks,

CQ
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post #43 of 394 Old 12-12-2008, 01:22 AM
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Re: DIY: BCM Turn Signal Fix

I'm sorry to say that I already ordered the BCM before reading this thread. I ordered the BCM from John Nance (great guy) for $750. I'll go ahead and install the new BCM and keep the old one as a spare. I figure I can modify the original BCM relay mounting design so that the relay is easily removable and replaceable. I saw in one of these posts that your keyless remote needs to be programmed to the replacement BCM. Can anyone confirm that? And if so, is reprogramming the keyless remote something I can do myself? Can someone provide the instructions? Or, is this something only a dealer can perform?
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post #44 of 394 Old 12-12-2008, 07:23 AM
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Re: DIY: BCM Turn Signal Fix

sorry M8 I don't know the answer to that question, but it seems logical that if u get a new BCM, you would have to reprogram your remotes. If you search on our forums I am willing to bet you can find the answer on the how to. I think there might even be a DIY.




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post #45 of 394 Old 01-15-2009, 06:06 PM
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Re: DIY: BCM Turn Signal Fix

If you are not comfortable doing it yourself just print off the DIY and ask a friend or relative to give you a hand. It's really easy to fix. Any local tv repair shop should be able to de-solder the relay for you. Should cost you less the $40 to buy the relay and get it soldered.


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post #46 of 394 Old 01-27-2009, 10:50 AM
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Re: DIY: BCM Turn Signal Fix

the BCM has got 2 relays (one for side...) I can say to change all 2 relays, with a little practic u can spend 10 minutes for unsolder the old and sold the new, usually when one relay go out... the internal circuit could be open or closed su u'll see the turn signal still on or totally off. (if it still on u have to take off the turn light signal fuse from the fuse box)! I changed the relays on bcm just one year ago and them still work so good
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post #47 of 394 Old 01-30-2009, 07:46 PM
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Talking Re: DIY: BCM Turn Signal Fix

I just want to THANK YOU, THANK YOU, THANK YOU!!!! for this information. After ordering the relay ($4 + shipping) from Mouser three months ago, I finally got over my fears that this would blow the whole thing up and did it! I found a TV repair shop to do the soldering ($10), and I, a middle aged woman, removed and replaced the BCM on an '03 Tiburon with no problems. (No, it's not my car-it's my daughter's.) I was also worried about the part number being different, but it was fine, just as someone had assured in an earlier post. I'm still jumping up and down!
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Re: DIY: BCM Turn Signal Fix

Hey man, my right turn signal froze the other day and ozkrow saved me a BUNCH of money! I just want to tell ozkrow THANK YOU and GOD BLESS you for putting this DIY up here for us! It only took me about 1 hr to replace the faulty relay in the BCM. Thanks ! ! ! FO REAL... THANKS
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post #49 of 394 Old 03-05-2009, 10:04 PM
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Re: DIY: BCM Turn Signal Fix

Does't surprise me about the extra shop charges for a audio shop. Most TV places will pro-rate your labour because of the low volume they have. It only cost me $23 at the tv place but the audio shop wanted 3x as much.
Great DIY btw. I fixed mine last May without a problem since.


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post #50 of 394 Old 03-11-2009, 04:20 AM Thread Starter
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==DIY: BCM Turn-Signal Relay Fix==

Here is my version of the BCM turn-signal relay replacement DIY. More info, more pics, more powah!!

**Who needs this DIY?**

For those people who are having erratic problems with their turn-signals--whether it be the left blinkers, right blinkers, or both.

Some symptoms you might experience that indicate a problem with the BCM turn-signal relay:

(1) When you use your right blinkers, the blinkers get stuck to the "On" position and doesn't blink.

(2) When you use your left blinkers, the blinkers get stuck to the "On" position and doesn't blink.

(3) When using your blinkers, your blinkers' clicking rate starts off normally then begins to blink faster and you've already tried installing new turn-signal light bulbs.

(4) Your blinker--left or right--blinks faster than the OEM rate. This can happen either all the time or sporadically.

(5) When you lock down your car with your keyless remote, the turn signal lights blink once then DON'T turn off but remains stuck on. This may occur every time or once in a while.

(6) The blinker's clicking sound level, on one side only or both sides, has become quieter than the OEM sound level.

**What you can do about this problem.**

(1) Go to the dealer/junkyard and buy a new BCM module. At the dealer, the price range seems to be between $750 to $1300. Buying a used BCM module from the junkyard, obviously, will be cheaper if you can find one in good condition. With a junkyard, though, it's a hit-or-miss.

When you install a BCM, you'll have to have the dealer reprogram your keyless remote/alarm to the new BCM. This service costs ~$50.00.

At my Hyundai dealer where I have a hook-up with the parts manager, I was quoted $540 flat for the BCM module. So if there is anyone who doesn't want to go through the trouble of doing the DIY but want to buy a brand-new BCM module for a good price, PM me/contact me and I'll hook you up.

(2) Do the DIY outlined below. It is a pain in the butt and it's really awkward taking out the BCM module, but it's well worth it since you save HUNDREDS of dollars.

**DIY Parts Needed**

(1) Screwdriver
(2) 10-mm socket & ratchet
(3) Pliers (optional. It will help to have a plier if you run into some stubborn connectors that won't come loose easily. I had to use the plier for one of the BCM connectors).
(4) If you decide to desolder the old relay yourself and solder in the new one, then you'll need a soldering iron and/or a desoldering iron, desoldering bulb and/or braid, and solder.

If you DON'T want to do the soldering work yourself, like me, then you can just take off the BCM module from your car and take it to a professional for the installation of the relay. In my case, I went to a local mom-and-pop TV/radio repair shop and got the relay soldered on for only $10.00 flat. During one of my price-quote hunting sprees, I got a quote from a speaker shop and they wanted $75.00!! Rip-off!!

(5) Replacement BCM turn-signal relay. You can buy one from Mouser electronics. It's only like ~$3.50. The item number is: NEC EP2-3N1ST. Here is a couple picture of the relay.




And here is the link to Mouser's site where you can order the replacement relay:
http://www.mouser.com/search/Refine....1ST+&N=1323038

**Installation Steps**

[1] Disconnect your negative battery terminal. 10-mm wrench is used.


[2] Pull out the plastic fuse cover.



[3] Remove the two screws that hold down the plastic cover underneath the steering wheel then pull off the cover.


With the cover off, it will look like this:


[4] Remove the three 10-mm bolts and one 10-mm nut that holds down the metal knee protection brace.



With knee brace off, it will look like this.


[5] Now, take off all six connectors on the front of the BCM box.


Once all off, it will look like this.


[6] Now, take off the 2 10-mm bolts and 1 screw that hold down the BCM box as indicated in the picture below.


[7] The BCM box is now loose but it won't come off yet because some connectors behind the BCM box is still holding on to it. To reach those connectors, you first slide out the BCM box by moving/maneuvering the BCM box around until you slide it off the two slots as indicated in the picture below.


[8] Once you got the BCM box free from its slots and you have pulled it out, now you can get to removing the 6 connectors on the back of the BCM box.


[9] Once all the connectors on the front and back of the BCM box has been pulled out, the BCM box is now free from the car. The next step is to pull out all the fuses on the front of the BCM box as well as all the relays on the back of the BCM box.

Here are all the fuses that you need to take off on the front of the BCM box.


Here are all the relays that you need to take off on the backside of the BCM box.


[10] With all the fuses and relays pulled off the BCM box, you can now pry the lid open by undoing the clips that hold the BCM box together.

[11] Here is a picture of the BCM box open with the turn-signal relay marked for you. If you want to desolder out the relay yourself, then you'll have to pull out the PCB, turn it over, then desolder the joints behind the turn-signal relay. After that, you plug in the new replacement relay and solder the joints for a tight connection.



In my case, I decided to have a professional solder in my new replacement relay. He charged me $10.00 flat but I ended up giving him a $5.00 tip for a job well-done.

Here is a picture of my BCM PCB with the new relay installed.


[12] Now, you just have to put everything back in reverse order. Thankfully, putting the BCM box back in its place is much easier and less time-consuming than taking it out. At least, that was how it was for me as a couple of connectors on the BCM box were really, really stubborn and wouldn't pull out unless I used a plier and a large flat-tip screwdriver. My finger tips were KILLING me from pulling out all those connectors.

[13] With the BCM box, all of its connectors, knee brace, plastic trim, and fuse cover all neatly placed back, reconnect your negative battery terminal and start up your engine.

If this relay replacement fixed your turn-signal-related ailments, then AWESOME!! You just saved hundreds of dollars!!

If you're still having turn-signal-related problems, then you just might have to buy a BCM module.

Good luck!!!


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Last edited by optimummind; 03-11-2009 at 09:16 PM.
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