ABS Brake Failure, any ideas? - K-Bikes.com - Excellence in Motion
 
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post #1 of 9 (permalink) Old Feb 25th, 2014, 5:28 am Thread Starter
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ABS Brake Failure, any ideas?

Hi All,

I have had an intermittent "brake failure" indication on my 2006 K1200R-Sport. The bike has 54000 miles on it. The bike start off with ABS working and after a period of time the brake fail indication light come on and the ABS doesnt kick in rear or front when it is on. (Testing the front was an interesting experience ) I left it into the shop for diagnostics and they told me the log showed an ABS pump voltage level failure indication. The brakes work well, but the ABS does not. The shop's approach is to replace the pump, but they are not guaranteeing this will clear the fault as it may be the wiring. They reckon the sensors on the wheels are fine. The problem of course is that the pump is £1500 or so fitted.

I have not yet started to take things apart to find the pump and wiring, but I thought some of you may have some guidance to how a similar problem panned out, or may want to offer a word of wisdom on what to strip and where to look. My plan is to fix any potential corroded connector or strain fractured wire that may be causing the intermittent failure. If I cant, the brakes work just fine without ABS, and in my opinion dont warrant half the value of the bike to get it to work again.

Many thanks
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post #2 of 9 (permalink) Old Feb 26th, 2014, 1:36 pm
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post #3 of 9 (permalink) Old Feb 26th, 2014, 2:18 pm
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My 2008 K1200GT had a similar failure 2 days after I purchased it (used).
Intermittent BRAKE FAILURE Light...eventually steady

Bike had 7,000 miles.

Fairly common on these machines.

Sent mine to Module Masters...
$250.00 + return shipping.
It's fine now.

The unknowing may spend $2,000 USD or more to have their local dealer replace with a new ABS unit.

I'd bet it is the same sticking brushes malfunction that is outlined with a DIY fix via a YouTube video on the subject (sounded like a gent from your side of the pond).
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post #4 of 9 (permalink) Old Feb 27th, 2014, 3:59 am
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That YouTube video is linked in the thread that I referred to above. However, unfortunately the video is no longer on YouTube
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post #5 of 9 (permalink) Old Feb 27th, 2014, 4:05 am Thread Starter
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I checked out the Module Masters site. I wonder if there is any equivalent this side of the Atlantic. However, even if not, the postage would probably still provide a lower cost solution than a replacement.

Many thanks for this.



Quote:
Originally Posted by DMilan
My 2008 K1200GT had a similar failure 2 days after I purchased it (used).
Intermittent BRAKE FAILURE Light...eventually steady

Bike had 7,000 miles.

Fairly common on these machines.

Sent mine to Module Masters...
$250.00 + return shipping.
It's fine now.

The unknowing may spend $2,000 USD or more to have their local dealer replace with a new ABS unit.

I'd bet it is the same sticking brushes malfunction that is outlined with a DIY fix via a YouTube video on the subject (sounded like a gent from your side of the pond).
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post #6 of 9 (permalink) Old Feb 27th, 2014, 4:10 am Thread Starter
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I followed up on the thread you suggested. I havent started stripping down yet, but it is encouraging to see other guys have found cost effective solutions. The guy in the shop I took the bike to sort of left me with the impression that the ABS pump system was completely unservicable, either from a mechanical or an electrical perspective. I'll strip down and take a look I guess!

Thanks for the reply in any case.





Quote:
Originally Posted by Dusty
That YouTube video is linked in the thread that I referred to above. However, unfortunately the video is no longer on YouTube
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post #7 of 9 (permalink) Old Sep 18th, 2014, 7:55 pm
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Any up date.

My bike is at the dealer now. 2008 k1200gt. Solid brake failure light. Interested in how you made out

Albany-NY
08-K12GT
05-R12RT retired
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post #8 of 9 (permalink) Old Sep 21st, 2014, 8:00 pm
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There was a recall on the 2006+ ABSii pumps...if I remember correctly..
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post #9 of 9 (permalink) Old Sep 22nd, 2014, 2:15 pm
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Quote:
Originally Posted by roxjohn
There was a recall on the 2006+ ABSii pumps...if I remember correctly..
There was no recall for the pumps that I am aware of. The recall covered a flow restrictor, some sensor wire clips, new rotors on the K1200R, all relatively inexpensive for BMW. They did, however, eliminate the servo operated brakes in the later models. Mine are still working fine after 42000 miles, but if the pump craps out, I'll check out Module Masters.
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