# Obd 2 to usb with elm327

**URL:** <https://forum.realdash.net/t/obd-2-to-usb-with-elm327/535>\
**Category:** OBD2\
**Created:** [June 3, 2020, 3:05pm UTC](https://forum.realdash.net/t/obd-2-to-usb-with-elm327/535 "2020-06-03T15:05:23Z")\
**Posts on this page:** 8\
**Page:** 2

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**Author:** ![realdashdev](https://forum.realdash.net/user_avatar/forum.realdash.net/realdashdev/32/6_2.png) [@realdashdev](https://forum.realdash.net/u/realdashdev)\
**Post date:** [September 30, 2020, 2:21pm UTC](https://forum.realdash.net/t/obd-2-to-usb-with-elm327/535/21 "2020-09-30T14:21:50Z")

</div>

1.8.1-BETA2 has been uploaded to the store. Please send new debug log after you get the update.

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<div class="post-metadata">

**Author:** ![kidanov](https://forum.realdash.net/letter_avatar_proxy/v4/letter/k/b77776/32.png) [@kidanov](https://forum.realdash.net/u/kidanov)\
**Post date:** [October 2, 2020, 7:52am UTC](https://forum.realdash.net/t/obd-2-to-usb-with-elm327/535/22 "2020-10-02T07:52:36Z")

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10.50 02.10.2020. Log.

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<div class="post-metadata">

**Author:** ![realdashdev](https://forum.realdash.net/user_avatar/forum.realdash.net/realdashdev/32/6_2.png) [@realdashdev](https://forum.realdash.net/u/realdashdev)\
**Post date:** [October 2, 2020, 9:44am UTC](https://forum.realdash.net/t/obd-2-to-usb-with-elm327/535/23 "2020-10-02T09:44:22Z")

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From log:

```plaintext
Exception in ScanSerialPorts: User has not given permission to access device /dev/bus/usb/005/013

```

As I expected, you have not given RealDash an permission to access USB devices. Check your device settings.

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<div class="post-metadata">

**Author:** ![kidanov](https://forum.realdash.net/letter_avatar_proxy/v4/letter/k/b77776/32.png) [@kidanov](https://forum.realdash.net/u/kidanov)\
**Post date:** [October 2, 2020, 11:22am UTC](https://forum.realdash.net/t/obd-2-to-usb-with-elm327/535/24 "2020-10-02T11:22:53Z")

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14.21 02.10.2020. Log  
Open all

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<div class="post-metadata">

**Author:** ![realdashdev](https://forum.realdash.net/user_avatar/forum.realdash.net/realdashdev/32/6_2.png) [@realdashdev](https://forum.realdash.net/u/realdashdev)\
**Post date:** [October 5, 2020, 6:12am UTC](https://forum.realdash.net/t/obd-2-to-usb-with-elm327/535/25 "2020-10-05T06:12:06Z")

</div>

```plaintext
Exception in ScanSerialPorts: User has not given permission to access device /dev/bus/usb/004/014

```

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<div class="post-metadata">

**Author:** ![kidanov](https://forum.realdash.net/letter_avatar_proxy/v4/letter/k/b77776/32.png) [@kidanov](https://forum.realdash.net/u/kidanov)\
**Post date:** [October 6, 2020, 3:12pm UTC](https://forum.realdash.net/t/obd-2-to-usb-with-elm327/535/26 "2020-10-06T15:12:01Z")

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![](https://ibb.co/G0r573k)

[https://ibb.co/G0r573k](https://ibb.co/G0r573k)  
I took a screenshot of the program’s permissions setting screen. What else could be the reason, other programs see the adapter

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<div class="post-metadata">

**Author:** ![kidanov](https://forum.realdash.net/letter_avatar_proxy/v4/letter/k/b77776/32.png) [@kidanov](https://forum.realdash.net/u/kidanov)\
**Post date:** [October 7, 2020, 10:20am UTC](https://forum.realdash.net/t/obd-2-to-usb-with-elm327/535/27 "2020-10-07T10:20:10Z")

</div>

Tell me, with what independent program I can check all access to your program and fix it, apparently the system does not fully open access.

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<div class="post-metadata">

**Author:** ![realdashdev](https://forum.realdash.net/user_avatar/forum.realdash.net/realdashdev/32/6_2.png) [@realdashdev](https://forum.realdash.net/u/realdashdev)\
**Post date:** [October 7, 2020, 11:31am UTC](https://forum.realdash.net/t/obd-2-to-usb-with-elm327/535/28 "2020-10-07T11:31:40Z")

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I do not know where this option is on your device as there is hundreds of Android versions and custom UI:s.

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