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"K13GT" Technical Q&A K1300GT- Technical Questions/Answers

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  #1  
Old 06-25-2016, 07:12 PM
Kotik108 Kotik108 is offline
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Rear wheel pressure sensor. Fault codes 24097 and 23978

Hi, After I was hit by a car and my K1300GT was down on the right side the braking pedal and the part 27 on the image at the link:
http://www.bikebandit.com/oem-parts/...2564#sch697149
were banded heavily. It was repaired at garage, but after that the rear brake light stands on all the time and on board computer shows Brake failure warning.
To clarify the problem I have bought GS-911 tool, that has a lot of functionality for BMW motorcycles. See here:
http://www.hexcode.co.za/products/gs-911
The GS-911 gave me 2 following messages:
24097 Pressure Sensor Control Circuit, rear: No Signal. The fault is currently present and
23978 Pressure Sensor, rear wheel circuit: No Signal. The fault is currently present.
I have the following questions:
1. Which sensor does it mean: rear wheel air or ABS2? When I scanned with GS-911 for Integral ABS 2 - CAN, it gives the same 2 faults. I read some on the BMW ABS II and there is a pressure sensor in it, but I have no idea how it looks and where to look for it in my motorcycle?!
2. Considering what happened to the motorcycle, what could go wrong to cause these messages?
3. Where are those sensors located and could it be some wiring or whatever else?
Please help, Roman
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Old 06-25-2016, 07:28 PM
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Re: Rear wheel pressure sensor. Fault codes 24097 and 23978

Hi Roman

I think is highly probable is the rear wheel sensor located inside the rim. Low or shortcut in the internal battery



Since she was hit by a car, another possibility is some problem in the TPM line, cable or Central
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Old 06-25-2016, 07:43 PM
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Re: Rear wheel pressure sensor. Fault codes 24097 and 23978

You need to figure out why the rear brake light is staying on all the time. It could be the front brake switch or the rear miss adjusted from the repair. The tire pressure monitor will not turn on the rear brake light.
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Old 06-27-2016, 01:20 AM
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Re: Rear wheel pressure sensor. Fault codes 24097 and 23978

Quote:
Originally Posted by Beech
You need to figure out why the rear brake light is staying on all the time. It could be the front brake switch or the rear miss adjusted from the repair. The tire pressure monitor will not turn on the rear brake light.

Exactly! The only thing that can possibly cause the brake lights to come on constantly is either a defective (or misadjusted) front or rear brake switch, or a switch wiring short. As the man says, the tire pressure monitor has nothing to do with anything!
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Old 06-27-2016, 02:09 AM
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Re: Rear wheel pressure sensor. Fault codes 24097 and 23978

I think it is just a mix up of three different native language speakers.
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Old 06-27-2016, 11:21 AM
Kotik108 Kotik108 is offline
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Re: Rear wheel pressure sensor. Fault codes 24097 and 23978

Guys, thanks a lot for good suggestions. I checked the braking regulation and the front one is okay, I clearly can here a click, when press it or release. As for the rear pedal, the is no vlick and nothing seems to be there to be responsible for electric signal. Could it be that I am missing some important peace down there? If there is nothing to miss, then I think the shortage makes sense.
Based on the GS-911, I would suggest that the shortage is somewhere between the ABS pressure sensor of the rear wheel and a control unit (I am not sure what it is), where the wire from pressure sensor connected. My questions:
1. Does my suggestion about location of the shortage make sense?
2. Where are those things located?
3. I think, last time I started the bike I could smell a light scent coming from somewhere under the right fender. Are there anything that could be about this connection between ABS pressure sensor and the 'control unit'?
Hope for your suggestions, Roman
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Old 06-27-2016, 12:10 PM
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Re: Rear wheel pressure sensor. Fault codes 24097 and 23978

Quote:
Originally Posted by Kotik108
2. Where are those things located?

The TPM controller is located on the left of the pic, close to rear light

http://www.i-bmw.com/showpost.php?p=568129&postcount=3

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