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Offline Frenzylion

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Linux Drivers for ELM327 ODB2
« on: February 07, 2017, 12:29:16 PM »
Can anyone help I am looking for drivers for Ubuntu linux to map the ELM327 usb to a virtual com port so I can run my Tiger Tool utility. It all worked 100% with my laptop on Windows 10, however my son insisted that I try a flavor of Ubuntu Linux on my machine. The Tigertool program seems to start up 100% with Wine(unix program to run Windows executables) however I do not have a driver to link the usb device to a com port to get any further. Any ideas?

Offline T800XC

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Re: Linux Drivers for ELM327 ODB2
« Reply #1 on: February 07, 2017, 01:16:39 PM »
You need to find out what USB chip your interface is using (you can do this from within Windows Device Manager) then you should be able to find a Linux driver for that chip. Common chips are made by FTDI, Prolific & WCH.
  
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Offline UncleGary

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Re: Linux Drivers for ELM327 ODB2
« Reply #2 on: February 07, 2017, 09:56:39 PM »
*Originally Posted by Frenzylion [+]
Can anyone help I am looking for drivers for Ubuntu linux to map the ELM327 usb to a virtual com port so I can run my Tiger Tool utility. It all worked 100% with my laptop on Windows 10, however my son insisted that I try a flavor of Ubuntu Linux on my machine. The Tigertool program seems to start up 100% with Wine(unix program to run Windows executables) however I do not have a driver to link the usb device to a com port to get any further. Any ideas?
I would be interested to know if you succeed in getting the ELM327 to talk to the Linux O/S. I prefer to run Linux when I can. Any details of your success would be greatly appreciated.

Offline Frenzylion

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Re: Linux Drivers for ELM327 ODB2
« Reply #3 on: February 08, 2017, 07:08:07 AM »
Hi I'm not quite sure what you mean by what chip my usb is using. I do know that linux recognises it because when I plug in the ELM327 Linux adds a ttyUSB0 in the /dev directory. Unfortunately I no longer have windows loaded to use device manager to see the chip type.

Offline T800XC

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Re: Linux Drivers for ELM327 ODB2
« Reply #4 on: February 08, 2017, 10:28:07 AM »
*Originally Posted by Frenzylion [+]
Hi I'm not quite sure what you mean by what chip my usb is using.
The ELM327 OBD leads have 2 main chips inside. #1 is the actual ELM327 chip, or more likely a clone of the ELM327, and #2 is the USB serial bridge chip.

The most common USB bridge chips are FTDI's FT232, Prolific's PL2303 and WCH's CH340. You'll need to find Linux drivers for whichever of these your interface uses. It's easy to find which chip your lead has when using Windows Device Manager (not so easy for you now though), or by taking the unit apart. I'm not sure how to find the information within Linux as I stopped using it a few years ago. A quick web search seems to indicate that Linux drivers are available for each of the 3 types that I've just mentioned.
  
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Offline Q

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Re: Linux Drivers for ELM327 ODB2
« Reply #5 on: July 10, 2020, 05:00:27 PM »
bought a USB ELM327 OBDII lead with the Prolific's PL2303 chip

any idea if drivers for Win10 are available?

I see from Frenzylion's post above that he managed to get it working under Win10?

installed the drivers from the included CD but get a "PHASED OUT" message in Device Manager - the drivers on the ELM site also of no help and seems to contain KEYGEN malware - Windows Update did not find a better driver

TigerTool briefly (~1 sec) established a connection on COM 3 but then dropped it again and wouldn't re-connect
« Last Edit: July 10, 2020, 05:06:23 PM by Q »
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Offline Rtwo

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Re: Linux Drivers for ELM327 ODB2
« Reply #6 on: July 10, 2020, 05:38:45 PM »
You're probably going to have to use an old driver - try 3.3.2.105
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Offline Q

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Re: Linux Drivers for ELM327 ODB2
« Reply #7 on: July 11, 2020, 12:31:31 PM »
*Originally Posted by Rtwo [+]
You're probably going to have to use an old driver - try 3.3.2.105

tks for the response - no luck, unfortunately - looks like I got one of those Chinese knock-offs - I will go and cause trouble at the place I bought it from on Monday
When you talk, you only repeat what you already know - when you listen, you learn something new

Offline Rtwo

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Re: Linux Drivers for ELM327 ODB2
« Reply #8 on: July 11, 2020, 01:01:04 PM »
Do you now have 2 drivers listed for it? They may be listed as separate com ports
You should have, make sure it's actually using 3.3.2.105 and not the newer one. It should work well with cheap chinese ones





The party told you to reject the evidence of your eyes and ears. It was their final, most essential command.
....George Orwell

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Offline Q

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Re: Linux Drivers for ELM327 ODB2
« Reply #9 on: July 11, 2020, 02:01:42 PM »
*Originally Posted by Rtwo [+]
Do you now have 2 drivers listed for it? They may be listed as separate com ports
You should have, make sure it's actually using 3.3.2.105 and not the newer one. It should work well with cheap chinese ones

Thank you for taking the time to respond to this - I've attached a pdf file with screenshots of the various device manager and error screens FYI.

As you can see, the available alternative drivers do not include the 3.3.2.105 version that you recommend and I've not been able to track it down via the net. Tried the older versions but no luck.

The ELM327.com site that the documentation refers me to, is obviously Chinese (to the point where the registration page would not even succumb to translation from Chinese) and the drivers/apps downloaded from that site are riddled with viruses/KeyGen malware according to my virus protection app.

If I can't get hold of the 3.3.2.105 driver you recommended to get it to work, I will simply go a pick a fight with the vendor next week and get my money back - small change but it is the principle - and besides, with the lockdown in place I haven't had a good fight for ages :-)

Once again, your assistance is much appreciated.
When you talk, you only repeat what you already know - when you listen, you learn something new

 


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