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ABS related issues / Error code 23993 - Pressure monitoring, rear, secondary circuit
« Last post by chuckbird on January 18, 2018, 09:35:46 PM »
Hi everybody,

I'm having troubles with my 2010 K25 R1200GS Adventure ABS unit (ABS Integral).
This is what happends in short: the rear brake pedal becomes soft and an insufficent brake pressure is delivered to the rear brake pads.
After using the front brake very hard the red error light lights up on the cockpit and goes away whenever I switch on and off the motorcycle.

The error reported by GS 911 is written in the topic subject: 23993 - Pressure monitoring, rear, secondary circuit.

Bleeding the rear circuit even with the GS-911 ABS Bleed test did not solve the issue because the problem appears again after few kilometers.

After bleeding the brake circuit air bubbles appear in the brake liquid, but there isn't any visible brake liquid leakage from the brake line (nor pump, nor brake pads actuator).

Watching through an endoscope, the ABS module seems to be lightly wet but I cannot understand where is the leakeage.
There is no leakage from the brake lines attachments.
The leakage seems to start from the back of the modulator ECU.

I've also made the ABS output test for all the 4 valves: three of them produce the same "tic" sound, the fourth (Rear Intake Valve) produces a smoother sound.

Any kind ideas?

Thanks in advance for your kind help.

General Discussion / Re: Windows 10 - 17.11.1 Issue???? (R1100GS)
« Last post by Mornay on January 17, 2018, 10:22:38 AM »
We have identified a problem in the current software and added it to our backlog.

In the meantime users can downgrade to a previous version:
General Discussion / Re: Windows 10 - 17.11.1 Issue???? (R1100GS)
« Last post by cuznbob on January 17, 2018, 02:11:07 AM »
I too am having the same issue when using on a 1997 R1100RT. Have you found a solution?
General Discussion / Re: program key
« Last post by AdrianT on January 16, 2018, 03:22:49 PM »
You're a life save, Christopher. Is this 100% safe to do? I don't want to mess anything up.
Common trouble codes or issues with known solutions / Re: Set up error
« Last post by Jughead on January 15, 2018, 07:53:11 AM »
Do you have the GS911 connected to the USB interface?
Common trouble codes or issues with known solutions / Set up error
« Last post by Chris Mc on January 09, 2018, 09:53:08 PM »
Hi going through the set up process on my laptop having opened and followed the instructions of the Download Utility I plug in the GS911 and I get the message:
Failed to Communicate with GS 911 Interface
Please check that the Interace and the USB cable is connected 
Time out while reading response (1)

Any Ideas

Allgemeine Themen / Re: Lieferumfang..
« Last post by Jacksonjosez on January 09, 2018, 08:51:53 AM »
Your information is very good.
Technical / Re: Wont connect to c600
« Last post by Jacksonjosez on January 09, 2018, 08:50:43 AM »
I have benefited from your information a lot.
WayneC - thanks.
Did some measuements and can confirm.
Pins are really thin though - thinner than the usual breadboard headers..

Waiting for material to arrive for making a test harness for hooking up my scope.

Might need it more than once and I am not a fan of shaky conections when scoping...
General Discussion / Re: RE: BMW R1200GS LC MODEL 2015 : BAR TO PSI CHANGE.
« Last post by Mornay on January 08, 2018, 09:47:31 AM »
Oh it's definitely still coming for the K50/K51 models. We should be in a position to send out beta software out soon.
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