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Dec 19, 2018

Interference with tyre pressure sensors

134 comments

Hi everyone. Has anyone else experienced their K2 interfering with their bike's tyre pressure sensors? My sensors started playing up after I installed the K2 (sometimes not showing the tyre pressure on the dashboard, sometimes erroneously indicating an underinflated tyre). I took the bike to the dealer and they indicated that it might be the K2's wifi interfering with the sensor system. I thought it was b***s***, but unplugged the camera system just to check, and everything went back to working normally. I'm going to give it another week or so with the camera unplugged to check on my next few rides, and then plug the camera back in to see if the tyre sensor problem re-appears. In the meantime, anyone else had similar issues? Is there a way of temporarily disabling the K2's wifi without unplugging the whole camera system?

Cheers.

Dec 21, 2018

It is the first time to hear there is interference between K2 and Tyre pressure sensors.

Could not disable the WiFi without Unplugging the camera system.

 

What motorcycle do you have? what tyre pressure it is?

Dec 21, 2018

The problem maybe the wifi or tire pressure is not able to select communication channel automatically and get the impacts.

 

If possible to check with your tyre pressure sensors supplier, if 10 or even more tyre pressure sensors are connecting and testing in the same lab and see if that can work properly. that is the way to verify the WIFI's capacity, Communication Channel selection.

 

We have more than 50 sets of K2 for quality checking in lab, without such interference.

Dec 21, 2018

Thanks for your input Rock. I have a 2016 BMW 1200 GS Adventure. The tyre sensors are original BMW equipment (standard on my model).

 

I had thought it a coincidence that the problems began immediately after I installed the K2, but my recent onroad tests (with the K2 switched off) tend to indicate there is some kind of conflict.

 

I wouldn't worry too much about it if it only didn't show the pressure (I don't rely on it too much), but when it starts giving false alerts of an underinflated tyre, then it does become a bit more of an issue. Anyway, I'll carry on with my tests for a while more and get back to you.

I had the same problem with my BMW K1300S. I have no solution for you. Due to that and the other well known problems, I returned the K2.

Mar 29

Hello, I have the same problem with BMW GS1200, did you find the solution?

@CAMCAM

 

Switch off WiFi connection on phone, and see if have the interference.

 

Have fun and enjoy,

Rock

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I have a 2011 BMW R1200RT and have the K2 which is mounted under the seat, and I started having problems with the tire pressure readings on front tire, or no reading at all. My bike is currently in storage for winter so I am unable to test.

Oct 9

 

According to the feedback from relevant customers during this period, we have launched a Beta firmware.

This firmware does not have WiFi function.

After you install it, K2 system will normally record video after the motorcycle is turned on.

 

We hope to test whether there is interference caused by WiFi through this beta software.

You can download it by clicking the link below.

https://www.dropbox.com/s/l77y0lfo6i80ixa/K2.bin?dl=0

 

Your reply will be very helpful in solving this problem.

Looking forward to your reply.

Oct 10

@Raymond Wand Hello Raymond,

 

I would like to know have you tested V0.62?

We need to collect feedback to improve the APP and firmware and solve the problem of interference fundamentally.

 

If you have any feedback, please reply to us in time.

You can also contact us at innovv@innovv.com.

 

The following is the download address of firmware 0.62 (without WiFi function) :

https://www.dropbox.com/s/l77y0lfo6i80ixa/K2.bin?dl=0

 

Thank you!

IHi my friend, have the same problems with my 2011 BMW R1200GS and have the K2 which is mounty under the seat, and I started having problems with the tire pressure readings on front tire, or no reading at all. I ride my bike all day.

 

Feb 13

Can you remove the front camera and then riding for a day to see if there is the interference?

That helps to see the interference is coming from the video cable or the WiFi from DVR.

@Rock Liu hi Rock. Thanks for your answer. I just write wrong. It is not the front tire. It is on both tires. If I turn on the bike and move inmediatly the system to check the tire pressure work good but in other case, if I turn on the bike and wait a while (the dash cam turn on and ready to use). The tire pressure system don't work good and take a long time to show me the pressure.

Feb 14

@RICARDO VELEZ

Can you remove the front camera from DVR, only keep the rear camera to work, to see if the same thing happen?

 

That is to verify if the interference happen between camera to the tie pressure sensor or DVR to it.

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Feb 20

have my K2 installed on a 2015 BMW R1200GS installed for a couple of weeks now and my Tyre sensors are working just fine. Perhaps it’s due to the specific mounting method used? I extended the wires and placed the Power module right back near the rear light under the rear seat and the DVR under the front seat to allow access to the SD card easier.

Took the bike out today for the first run of the season and there appears to be no interference from the K2. Both front and rear tire psi reading fine on dash. K2 working flawlessly.

Mar 21

Happy to see you are back.

@Rock Liu Hi Rock, I've noticed looking through these forums you reply to those that say things are going well, but ignore comments such as mine further above where we have issues. Will you ever give me any feedback?

Jul 20

@Steve Bendall

 

I can not ignior the problem.

Our guys have been working on for what caused the problem.

We need to know whey some with, some without the problem.

The K2 passed interference test.

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There is one key difference to the various posts you show in the above link. Before installing the K2 I have not had ANY issues. The variety of links you provide do not all have a K2 as a common denominator, they are irrelevant to my scenario with is caused by the K2. Had you taken time to get details from me you would more clearly understand the various scenarios we have used to diagnose the issue, including swapping DVR units, swapping voltage units, swapping cameras, relocating, rerouting wiring, adding EFI suppressors to the leads, all to no effect. The single way to resolve the issue is to disable the K2 entirely by removing the fuse, then all returns to normal with TPMS working as reliably as it did before

Jul 22

@Steve Bendall have you already tried to connect the K2 to an external power supply, for example a battery pack and then start driving for testing? It is possible that a malfunction is caused in the TPMS reception system via the power supply. When testing with an external power supply you can exclude this. The interference does not necessarily have to be caused by the WiFi. Where did you connect the power supply for the K2? Directly on the battery? I don't read where you connected this to.

I am using the K2 on a K1600GT (2018) and am not experiencing any problems.

Jul 22

@Steve Bendall

I would suggest to first test if you can reproduce the effect by using some kind of other wifi device. Just to check if wifi itself (2,4GHz) is the problem of if it is specific to the K2.

 

If you cannot reproduce the effect using some other wifi device, this would clearly mean that the K2 is the reason for the TPM malfunction and Innovv has to check this. I could then also ask a friend of mine if he could check the emission of the K2 with a frequency analyzer.

 

But if you can reproduce the effect using an other Wifi device, it would mean the TPS sensor (or system) is sensitiv to Wifi and it would be BMWs job to solve this.

 

@Rock Liu

I guess that Wifi itself is the problem. Though that is not Innovvs fault, as more and more bikes are equiped with TPM and other sensors, it would be a good idea to check if you can use the button on top of the K2 to switch wifi on/off. Maybe you can make it selectable in the app what function the button is for.

 

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An update from my early post of Jan. 29/19 on this issue. As of this point in time I am not experiencing any further issues with TPM on my BMW R1200RT (2011) and the K2. Everything is under my seat. The GPS señsor is mounted on my saddle bag exposed to sky. I assume my problem stemmed from the bike sitting in a heated garage and due to lack of use for winter months.

This is quite interesting.

When I start the bike in the garage the TPMS reading's take a LOT longer (since I have the K2) than when I start the bike in the open air... I thought it was just me, but not anymore... what else is playing here??

@dashOssaurius TPMS won't do anything until moving, it uses centrifugal force of the wheel spinning to turn the unit on before starting to transmit to the receiver unit

@Steve Bendall Yeap, i know that.

Maybe I put it badly, but basically, at the end of the day, when I take the bike out of the street and ride home, usually the TPMS show info quite rapidly compared to when I leave in the morning from the garage - sometimes I don't have a read for 5 plus minutes!

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Although this article relates to car TPM it has relevant info that may assist.

https://www.tirereview.com/tire-pressure-monitoring-system-signal-science/

I have a 2017 GS, and the first time I installed the K2 I immediately started having some (minor) TPM issues:

(already described somewhere else in the forum)

https://www.innovv.com/forum/main/comment/5d42890f10e0cc0016933eb7

Oct 10

@dashOssaurius

Hello,

 

I would like to know have you tested V0.62?

 

We need to collect feedback to improve the APP and firmware and solve the problem of interference fundamentally.

 

If you have any feedback, please reply to us in time.

You can also contact us at innovv@innovv.com.

 

The following is the download address of firmware 0.62 (without WiFi function) :

https://www.dropbox.com/s/l77y0lfo6i80ixa/K2.bin?dl=0

Thank you!

Hola, la mia es una GSA 2018 con K2 y el otro dia probé si daba problemas con el lector de presión, tanto viendo la imagen en marcha, como solo grabándola, no tenía error de lectura con los neumáticos en las dos modalidades.

Un saludo

Hi!

Thanks for the info!

But did it took longer to show the pressure, or the usual time?

Mine takes a lot longer - thought in the end it still displays the pressure...

Tiempo habitual, no note diferencia de tiempo.

Un saludo

Hi guys, ive just bought the K2, I have an R1200gsa and ive fitted it right near the tire pressure module, under the seat, i too am getting tire pressure issues, i dont get a reading from the front tire now. Anyone know of another postion to mount the DVR on the GS?

I've got it on the left "faux" aluminium cover, below the tank, over the radiator. actually there are two covers, one over the other (alu over plastic).

I have not used it in winter, so I can't for sure advise on the quality of the place, but it seemed quite clean...

It's a 2017 GS - plastics are a bit different from previous versions...

I've tried numerous positions, none that resolved it, hence my problem. @Rock Liu is looking at a method of disabling WiFi that can hopefully resolve the WiFi interference with TPMS

Oct 8

@Michael Williams

 

According to the feedback from relevant customers during this period, we have launched a Beta firmware.

This firmware does not have WiFi function. After you install it, K2 system will normally record video after the motorcycle is turned on.

 

We hope to test whether there is interference caused by WiFi through this beta software.

You can download it by clicking the link below.

https://www.dropbox.com/s/l77y0lfo6i80ixa/K2.bin?dl=0

 

Or you can simply turn off the GPS function and see if there is any interference.

Yo lo tengo justo debajo del asiento del conductor y como comenté anteriormente sin problemas. No lo puede poner debajo del asiento del pasajero por estar colocada la alarma original.

V´sssssssssssssss

Es justo debajo del asiento y después de quitarla para sacar la micro SD que se metió por otro sitio, le puse debajo tela anticalórica.

Un saludo

 

You'll have to bear with me until i translate what you have said :)

 

I have just under the driver's seat and as I said before without problems. It cannot be placed under the passenger seat because the original alarm is set. V´sssssssssssssss

It is just under the seat and after removing it to take out the micro SD that is somewhere else, I put it under the anti-caloric fabric. a greeting

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