'00 K12LT ABS Lights Strage Phenom... - BMW Luxury Touring Community
 
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post #1 of 13 Old Nov 21st, 2011, 12:14 pm Thread Starter
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'00 K12LT ABS Lights Strage Phenom...

Hi All,

I noticed a strange phenomenon on my '00 K12LT and I wanted to get some input from the group. In the last year I have had my ABS Lights come on and do the alternating blink 3 times, most recently twice in one day which caused me to notice the pattern. When it has occured they have always reset after restarting the bike.

When the lights have come on I am travelling on I-80 West of Orland Park, IL, it has happened once travelling East and twice travelling West. The last time it occurred I drove 5 -10 miles until it was safe to pull to the shoulder, turned the bike off, turned it back on and the lights stayed off the rest of the day which caused me to think, Huh!

I am thinking there is some kind of RFI / EMI interferrence in that area which triggers the lights. Thoughts? (beyond, don't drive there )

-Mike
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post #2 of 13 Old Nov 21st, 2011, 12:43 pm
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Re: '00 K12LT ABS Lights Strage Phenom...

Hi Mike, change your rear brake pads and it wont come back anymore.
Mostly is the brake fluid level in the secondary circle to low. If you use the bike everything will heath up and expand, also your brake fluid and after a few miles you have the level that everything works and the warning light will go off. So if you change your pads the level in this circuit will come higher and solve the problem.

Manfred
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post #3 of 13 Old Nov 21st, 2011, 1:07 pm
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Re: '00 K12LT ABS Lights Strage Phenom...

Or check your fluid levels, esp the rear reservoir.
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post #4 of 13 Old Nov 21st, 2011, 1:20 pm
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Re: '00 K12LT ABS Lights Strage Phenom...

The other option could be a weak battery.

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post #5 of 13 Old Nov 21st, 2011, 2:10 pm
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Re: '00 K12LT ABS Lights Strage Phenom...

Quote:
Originally Posted by Tom1200
The other option could be a weak battery.
From what I've gathered here, low battery causes the lights to remain flashing right after start-up because there is not enough voltage to perform the self-diagnostic properly. It doesn't seem like that should affect a bike cruising along down the highway.
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post #6 of 13 Old Nov 21st, 2011, 3:11 pm
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Re: '00 K12LT ABS Lights Strage Phenom...

Strange indeed.
The '00 K12LT has ABS II, and doesn't care what your brake fluid level is (unless one of your reservoirs is empty). Low battery ? I don't know if that affects ABS II.
? I have had the "wig wag" lights, and they would not reset by themselves.
I'm going with your EMI theory.
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post #7 of 13 Old Nov 21st, 2011, 4:18 pm
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Re: '00 K12LT ABS Lights Strage Phenom...

Had the same problem last summer caused by a leaky front shock. The oil caused debris to collect on the abs pickup and also got into the electrical connector. Cleaned it and the rear sensor up and checked the gap on the rear sensor. All is now well. I would clean everything up and make sure your battery connections are clean and tight. By the way, on your system the wig-wag lights indicate a system fault. Low battery voltage is indicated by a steady light. Either will reset once the problem is no longer present.


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post #8 of 13 Old Nov 21st, 2011, 8:11 pm
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Re: '00 K12LT ABS Lights Strage Phenom...

Usually only a low battery condition will self reset on the ABS II system All other faults require a "reset" action to clear the lights. And true ABS II does not monitor the fluid levels - you have to do that your self.

John
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post #9 of 13 Old Nov 22nd, 2011, 7:33 am
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Re: '00 K12LT ABS Lights Strage Phenom...

There is definitely a lot of RFI crap in that area but it is likely the aforementioned causes. If you cant figure it out and want to drive it up here to Crystal Lake I will be glad to have a look at it with you.

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post #10 of 13 Old Nov 22nd, 2011, 8:35 am
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Re: '00 K12LT ABS Lights Strage Phenom...

[QUOTE=jello4]Hi All,

When the lights have come on I am travelling on I-80 West of Orland Park, IL, it has happened once travelling East and twice travelling West.

-Mike[/QUOT

Try going north - south.......damn magnetic flux and all ....ya know?

You've gotten some good "real" advice....good luck sorting it out.

JD

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post #11 of 13 Old Nov 22nd, 2011, 10:07 pm Thread Starter
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Re: '00 K12LT ABS Lights Strage Phenom...

Thanks all for the comments and suggestions. I do appreciate the input, this is the best darn place to come for real experience and advice!

-Mike
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post #12 of 13 Old Nov 22nd, 2011, 10:18 pm
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Re: '00 K12LT ABS Lights Strage Phenom...

A day late... But +1.. Barbara would flash me every once in a while. the first time (In Reno, NV) scared the piss out of me. Pulled to the side, shut her off and they stayed off until I got back home. Looking around, I noticed a fork seal had given out and gunked up the sensor side, cleaned it off and did not have the issue again... (until it gunked over again!) never did replace that seal..


Quote:
Originally Posted by deanwoolsey
Had the same problem last summer caused by a leaky front shock. The oil caused debris to collect on the abs pickup and also got into the electrical connector. Cleaned it and the rear sensor up and checked the gap on the rear sensor. All is now well. I would clean everything up and make sure your battery connections are clean and tight. By the way, on your system the wig-wag lights indicate a system fault. Low battery voltage is indicated by a steady light. Either will reset once the problem is no longer present.

Hoss
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R.I.P. - '00- K1200LTE- "Barbara" - Retired at 168K 9/2011
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post #13 of 13 Old Nov 23rd, 2011, 6:23 am Thread Starter
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Re: '00 K12LT ABS Lights Strage Phenom...

Thanks Hoss~

I actually cleaned my bike a few weeks back and the ABS sensors were clean. The first time it happened, of course I freaked but I checked the sensor pickup at that time and they were okay. I will check them, of course, but I am reasonable sure they are still clean as there was no debris at that time...

I live in IL, so my riding season is drawing to a close. I am planning on taking the tupperware off over the winter and giving her a once over, including fluids and checking the valves. I will have an opportunity to, if nothing else, to check her out and spend some quality time in the off season.

-Mike
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