ABS light warning - low battery? - BMW Luxury Touring Community
 
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post #1 of 5 Old Nov 6th, 2006, 8:54 am Thread Starter
 
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Question ABS light warning - low battery?

Probably a very basic question...

My ABS sensor lights went a-flashing this weekend. I had not ridden bike in about a month... battery was low... slow to crank, etc. After a good night charging the battery to full power... no ABS light on a few short rides.

My 2002 has only 10K miles. I suspect the ABS lights get cranky when the battery is low. Is this correct or should I be thinking other things on the brakes.

Brakes work fine and there is no clunking like the 2000 model year guys are reporting on their units.

thanx.
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post #2 of 5 Old Nov 6th, 2006, 9:49 am
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The rear "dual" reservoir has level sensors that are very sensitive. If you get the lights again check the level and add a tad bit to both chambers.

John
2009 K1300GT Red Rocket
2009 R1200GS (Gone)
2005 K1200LT Ocean Blue Blue Wizard 110 K and counting...
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post #3 of 5 Old Nov 6th, 2006, 9:50 am
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In your case, with a battery identified as low, itís a safe bet the issue was indeed the battery.

The second most common issue (on 2002s) is that as the brakes wear the DOT4 level lowers and can trip the sensor. You would need to check the *forward* chamber of the rear reservoir which is accessible by loosening the rear of the right side panel. The brake reservoir is tucked in below the upper rail next to the right pannier.

J. Averill Townsend
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2002 K1200LTC - Silver
1978 R100/7 - Very, very Black
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post #4 of 5 Old Nov 6th, 2006, 11:29 am
 
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I put black electrical tape (very opaque) over the lights so they don't flash in my face at night. It is really annoying to have them flashing non stop the entire time you are riding. It's easily removed when the problem is fixed. I had a leak that made the fluid slowly drain and made the light come on. It drove me nuts. Yes, a low battery will make the stupid lights flash too. I got a battery tender to keep my battery up when I was not riding it.
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post #5 of 5 Old Nov 6th, 2006, 7:01 pm
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Battery...yep

I agree its the battery. My bike has done it, (and even a car). The dealer told me in 99 when I bought mine new that this would be a problem if battery was low, and this came to fruition. Put it on a tender, hasn't happened in years.

Chris

Hiddenite NC

'99 LTi Champagne

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