Hi
I have KLD unit that I've used for approx 12 months now without any issues (execpt from me playing with MCU and Firmware upgrades). I also have a reverse cam installed that has been working fine since day 1.
However a couple weeks ago the unit started to behave strangely, while I'm driving forward then the canbus suddenly send reverse cam signal to the unit and the unit goes into reverse mode. However I get the exclamation screen, since there is no live feed on the reverse cam (it's not powered on as it is connected to the reverse lights power source).
If I quickly change to neutral (still driving) and back to drive (automatic), the reverse cam screen disappears and unit works as normal. But after random 3-15 minutes it goes back into reverse cam mode, while still driving or even just standing still.
I've taken the unit out and connected it to a PSU and had it powered on for two days at my desk without any problem, so the unit it self seems in good condition. But when back into the car the problems starts again. Today I decided to disconnect it all wiring as well to check everything and look for any issues. I could not find anything "strange" with the wires.
So I started to play around with the reverse cam wires to see if anything was sending a signal while in neutral or drive. Turns out the orange reverse wire from the canbus is powering up randomly when not in reverse, disconnecting the orange wire from the canbus box takes the unit out of the reverse mode and unit works as normal (of course without reverse cam functionality). Same thing happens when I disconnect the canbus box itself completely, then of course my steering wheel buttons does not work (which they do when the canbus is connected).
I also connected the cam to the video IN and engange reverse gear then the live feed from the cam works fine when in ie. the AVIN app.
After doing all this fiddling and testing. I connected everything back correctly. However now the canbus seemed even more "broken", as it now engange reverse entirely when in P, N and D. And disables the reverse cam feed when actually in reverse
This leads me to the conclusion that the canbus some how has gone foobar. However I have no clue to what to look for. Is there a way to reset the canbus box itself, or do I just need to order a new one?
This is what I've done:
- Verify that all settings in Factory settings where correct
- Checked wiring and the car it self (car is BMW E53)
- Checked cam working and the wiring
- Loaded MCU and firwmare just in case
- Tested unit separate from the car (PSU power), working fine
The unit works fine otherwise.
As a workaround for now, I've disconnected the orange wire from the canbus box and connected the reverse cam video to video in. And just manually start AVIN when I need reverse cam
Hope anybody out here has any idea or clues for what I should look for?
Can these canbus suddenly "go nutes" or die?
Thanks
FxSlin
fxslin said:
Hi
If I quickly change to neutral (still driving) and back to drive (automatic), the reverse cam screen disappears and unit works as normal. But after random 3-15 minutes it goes back into reverse cam mode, while still driving or even just standing still.
Thanks
FxSlin
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Click to collapse
I would rather check the transmitter of the gearbox position. If it has problems it should be recorded as a fault
in your car internal memory. Maybe not in OBD, but deeper. Ask your garage to check the internal memory.
halloj said:
I would rather check the transmitter of the gearbox position. If it has problems it should be recorded as a fault
in your car internal memory. Maybe not in OBD, but deeper. Ask your garage to check the internal memory.
Click to expand...
Click to collapse
So could it be errors that torque is not able retrieve via ODB?
Thanks I'll check that out.
Cheers
FxSlin
fxslin said:
So could it be errors that torque is not able retrieve via ODB?
Thanks I'll check that out.
Cheers
FxSlin
Click to expand...
Click to collapse
Most manufactures have at least two layers, maybe more.
I had something similar. Disconnected the pink cable from the reverse feed on the canbus box and hooked it up to the feed behind the glovebox for the reverse lights instead.
Disconnect the battery for a couple of minutes. That will reset the computer and clear canbus.
If it returns, then the PCM is probably at fault.
cranbiz said:
Disconnect the battery for a couple of minutes. That will reset the computer and clear canbus.
If it returns, then the PCM is probably at fault.
Click to expand...
Click to collapse
Hm, tried this. No go:-/
Better get my PCM checked out.
Could it be that my can bus decoder is broken? Anyone experienced this?
FxSlin
Just an update:
I managed to borrow a can bus decoder box from a friend, who has a similar unit as me.
That one worked fine and I had reverse camera as normal again with his can bus decoder.
So as work around untill I get a new can bus decoder box, I bypassed the can bus reverse cam trigger on the can bus decoder.
I made own reverse trigger wire connected from the reverse camera power and wired it to the unit reverse cam trigger wire directly.
Now its all working as before.
I have the same issue. There is another way to work the CANBus decoder (like any update etc), except to bypass the CANBus with cutting reverse cable. Please help me.
I have the same issue as well. I was in the process of installing the rear view camera, after which, my headunit is now stuck in 'reverse mode'. If i disconnect the ca bus decoder box, the headunit starts functioning without any issues. I can't find any info on how to reset or program the can bus decoder to its factory settings. No idea what to do at this point, other than order a new unit.
Alexg415;74108216 not said:
I have the same issue as well. I was in the process of installing the rear view camera, after which, my headunit is now stuck in 'reverse mode'. If i disconnect the ca bus decoder box, the headunit starts functioning without any issues. I can't find any info on how to reset or program the can bus decoder to its factory settings. No idea what to do at this point, other than order a new unit.
Click to expand...
Click to collapse
I think I have the same problem as you. Did you end up fixing it?
If my Canbus is plugged in, it's constantly in reverse mode. The only way to get back to the regular screen is to unplug the canbus or disable reverse mode in factory settings (in which case, reverse camera is disabled)
Do I need a new Canbus? Anyone know how this would happen and how to avoid it happening again?
Problema camara reversa (CanBus)
Hello,
There is, on the market, CAN-BUS INTERFACE UNIVERSAL ADAPTER INTERVAL CAN-01 / 02SPEED PULSE PARK BRAKES ETC
It is marketed by 'Motor Solutions and' Connects2 '
The CAN-Bus interfaces are designed to turn this digital data into analog, so the installation of an aftermarket car radio becomes simple. The interface creates the following for you, and saves you time and money in the process:
Speed pulse signal
Ignition Wire
Lighting wire,
Reverse wire
Park Brakes
I think it applies to 'made in China' radios, but they should consult the sellers
Regards
Mário
essarr427 said:
I think I have the same problem as you. Did you end up fixing it?
If my Canbus is plugged in, it's constantly in reverse mode. The only way to get back to the regular screen is to unplug the canbus or disable reverse mode in factory settings (in which case, reverse camera is disabled)
Do I need a new Canbus? Anyone know how this would happen and how to avoid it happening again?
Click to expand...
Click to collapse
not solved?
posted in the wrong place , mtce unit
Hey guys,
I just bought a new unit and have had fun installing/setting it up. But I've run into a few problems/questions that I can not easily solve from searching. I'm hoping for some help. I appreciate any insight that can be provided!
purchased:
MTCB 800x480 (EONON GA2114)
1.) I can't get the reverse camera to work
My previous head unit was the Astroid Parrot Smart and my backkup camera was working. I've setup my MTCB as follows: HU reverse wire to reverse light 12v & HU "cam in" to camera's RCA plug. I'm experiencing: when I put in reverse gear, I get a yellow triangle exclimation point and no proper video. Could this be becuase I have not grounded the HU parking wire (everything else is working properly without having to do that. Is there a setting somewhere I need to change?... pal vs ntsc?
2. ODBD not working correctly.
I can connect to it in bluetooth settings but Torque can not connect to it. I do have blue OBDB icon that appears in the taskbar
3. Keypress (for the physical hardware buttons) volume is too loud
even if I have the radio volume turned all the way down
4. music volume is too loud when volume set at one
With the volume of music at it's lowest setting, it's at a normal listening level.
5. Elements in Settings disappeared
It's just gone. I can't change the physical button colors any more. It was there before.
6. Saved radio stations.
After a scan is complete.... I can't figure out how to reorganize the order of stations.... or even delete the unwanted presets
7. Best way to automate wifi hotspot?
Should I set a tasker action to start hotspot upon bluetooth connect to unit? I sometimes have bluetooth manually turned off though. ... what's everyones solution to this? I though about a NFC sticker placed on my phone dock to automate bluetooth/hotspot.
pdappcgeek said:
Hey guys,
I just bought a new unit and have had fun installing/setting it up. But I've run into a few problems/questions that I can not easily solve from searching. I'm hoping for some help. I appreciate any insight that can be provided!
purchased:
MTCB 800x480 (EONON GA2114)
1.) I can't get the reverse camera to work
My previous head unit was the Astroid Parrot Smart and my backkup camera was working. I've setup my MTCB as follows: HU reverse wire to reverse light 12v & HU "cam in" to camera's RCA plug. I'm experiencing: when I put in reverse gear, I get a yellow triangle exclamation point and no proper video. Could this be becuase I have not grounded the HU parking wire (everything else is working properly without having to do that. Is there a setting somewhere I need to change?... pal vs ntsc?
.
Click to expand...
Click to collapse
When you say parking wire I assume you mean park brake wire. The park brake wire has nothing to do with reverse video. It is suppose
to turn off DVD video during driving. Which can be changed in settings BTW. Exclamation point normally means no video. Are you sure
you used the right input and that your camera is providing video? Test your camera on a normal video in and verify if you get a picture.
Also verify that your reverse camera gets 12 volt when selected.
i recently bought a Erisin ES8898V, work fine, only the parking sensors dont turn off when i pull the car out of the reverse gear car but stay beeping for 5-10 sec. is there a way that they turn off immediatly when i pull the car out of the reverse gear ? because this is the way it worked before i installed the headunit.
I got a weird problem. It's a pumpkin headunit that can with the car I got. It's been working fine ever since I've gotten it. But last night when I was driving the music stopped playing and the rear view camera came on the display while i was on the freeway. Clearly I was not in reverse as I was going forward. It seems like it was doing it when I was just going forward, until I came to a stop then it'll go back to playing music, but then once I got going again it'll display the rear camera on the unit. I wouldn't mind if it kept the music going. None of the buttons are responsive when it is in rear camera view mode.
I've tried a factory reset, it is still doing it. Even today when I the car was not on. I was just setting the radio presets again, low and behold the rear view camera came on but for a few seconds and went away. It is still doing it when the car was off. I'm kind of confused as what the problem is.
Is autopumpkin.com working for anyone also? It doesn't seem like they are in business anymore?
Thanks for reading, and any possible places to look.
Hi, any progres? I have https://s.click.aliexpress.com/e/DtwdJIt its px5, Mtce_gs_v2.90c. Now I have a little problem with rear camera. I bought reverse camera and tried to connect it into front camera input(I was curious how it would look like) and since then its stuck on camera view. Even after disconnecting camera. Only solution was disable "prohibit reverse" in factory settings menu, but with "prohibit reverse" disabled is obviously not showing reverse camera when I gear the reverse down. Everything is shown in this video. https://photos.app.goo.gl/XbYUHApzT8qTezkq6
Turns out it was the canbus decoder that has gone haywire. It reads the canbus and checks for the reverse message and turns on the camera. With it unplugged I do not get random rear camera view anymore, but I also lose my steering wheel button to control the unit. I'll see if pumpkin will help me out, my unit is out of warranty.
Hello everyone,
I have a Dasaita PX5 and Android 8.0 for my Jeep Compass 2018. Problem is that (1) steering wheel controls have stopped working. Used to work for a while when the unit was first installed then one day just ceased to function. And (2) reverse camera video is blinking after driving for around 20-30 mins (doesn’t blink when engine is on and not running)
I've updated both the MCU (V3.45) and system update (20190731) to the latest ones in hopes of fixing it. I also went to factory settings and tried all canbus that had "Jeep" on it and selected the right model of the car but SWC still not working including the controls at the back of the steering wheel. The only thing that's working is the right side of the steering wheel which is the cruise control function.
I had an auto electrician check it and said “there's no problem with electrical side“ and now he's saying maybe the switches are broken (which I doubt) cos when the car battery was changed not long ago (SWC already not working this time), SWC came back to life but only for short period of time.
Please help me figure this out. Any advice would be greatly appreciated.
PS: also posted on android head unit thread. I wasn’t sure if I was posting in the right one. Thanks!
I'd try to disconnect the car battery for some minutes and see if the steering wheel controls return to work at least for some time.
If so, the head unit canbus adapter might be faulty,
I'd say there's a loose connection in the power feed of the CANbus decoder. More likely the ground wire is the problem. It could be loose or broken at either ends (including inside the decoder box) or along the length. Your electrician should know how to test for that.
Thanks for the reply guys. I’ll check this out and inform my electrician. Do you think the camera issue is related to this as well? I might need to order a new canbus adapter..
The HU gets the transmission is in reverse signal from the CANbus box so if the box kicks in and out so will the backup camera.
I put back the factory unit back in (factory unit worked without issues) but the steering wheel buttons still didn't work. Does this mean that the problem lies in the steering wheel buttons and not in the CANbus decoder?