Bluetooth Low Energy update for Mac and PC

Our OBD diagnostic software for macOS, Windows and Linux got new version update yesterday. Along other changes, the version 3.1 includes important improvements for Bluetooth connectivity.

OBD Auto Doctor mobile apps have included support for Bluetooth Low Energy (BLE) dongles already. Now, we are happy to provide the support on all supported platforms. This includes support on Windows, Mac OS X / macOS and Linux. The selected BLE dongles work now with OBD Auto Doctor regardless the computer or phone you use.

BLE support on Windows

Windows 8 is the first Windows version to support Bluetooth LE. This means that you need to have Windows 8 or newer to take advantage of the new feature.


Windows 10 Bluetooth LE settings
Pairing the dongle in Windows 10


Before OBD Auto Doctor can connect to the BLE dongle, you need to pair the dongle in the system settings. In Windows 10, you can find Bluetooth settings by ‘Settings’ -> ‘Devices’ -> ‘Bluetooth’. Make sure you have paired the dongle successfully before launching OBD Auto Doctor. OBD Auto Doctor will now find the device and take care of the rest.

BLE support on Mac OS X

OBD Auto Doctor can use Bluetooth LE on all supported OS X versions. Remember to check that your Mac has Bluetooth 4.0 hardware included. Macs started to have the hardware around 2011-2012. No pairing or other manual actions are required outside of the software to use these dongles.

BLE support on Linux

Bluez is the library in Linux that provides Bluetooth support. You need to have version of Bluez that has the support included. Check your distribution for more details.

Scanning BLE devices needs special rights. You can use superuser or root for that. Or you can give the application the needed permissions just once:

sudo setcap cap_net_raw,cap_net_admin=eip /usr/bin/obdautodoctor

After running the previous command, you can run obdautodoctor as normal user. Notice that some Linux distros require that you need to be part of the dialout group to able to use Bluetooth. To add an user to the group, issue:

sudo adduser username dialout

If you install the software using the .deb package, these actions will be taken care of automatically for you.

Get the update

You can download the latest version from the download page.

The list of supported BLE dongles can be found from here.

To utilise BLE dongle, you need to have a compatible computer with Bluetooth 4.0 hardware. If you have any questions or concerns, just leave a comment below.



Car diagnostic software update for PC and Mac

Our car diagnostic software for PC and Mac was updated about a month ago. The latest OBD Auto Doctor is now labeled as version 3. It took few weeks to publish this blog post. But it’s never too late, right? Let’s go through the change log for the update.

Improved User Interface

The new version has redesigned and improved user interface. This is of course the main visible change for you. We clarified the views with more white space and trimmed down the titles. We also reorganized the views under new categories. The new categories are summary, trouble codes, diagnostics, monitoring and extras. The categories have new flat style icons too. These changes make it easier for you to find the stuff you are looking for. We also added help texts to the views. They provide you helpful details about the information that the views provide. Just move your mouse over the small white question mark to get the hints.


New OBD Auto Doctor design
OBD Auto Doctor running in MacBook Pro


On-board System, Test or Component activation

The software has now support for OBD2 mode 8. The mode 8 is the on-board system, test or component activation service. This service allows bi-directional communication to start or perform specific tests. This is different from the most OBD2 services because they just read information from the car. In that sense, this service or mode is a rather powerful tool.

The current version of the OBD2 standard defines only two tests. OBD Auto Doctor supports these both:

  • Evaporative system leak test
  • Diesel Particulate Filter (DPF) Regeneration

It’s expected that more tests are added to the standard in the upcoming updates.

Sensor Graph Grid

The graph grid is the newest addition to the monitoring tools. You can now track up to four different sensors side by side with the Sensor Graph Grid. Each sensor has separate graph with it’s own scale. This makes it easier to interpret the data in some cases.


OBD Sensor Graph Grid
Sensor Graph Grid in action. The screenshot is from Windows 10.


Other changes

We did a lot of other smaller changes for the software too. The following list highlights the most important ones.

  • Increased number of the simultaneous sensors in the graph. You can now update up to 6 sensors at the same time. We also improved the automatic scaling of the graph scales to make it easier for you to interpret the values.
  • Added support for the Readiness Monitor status for the current drive cycle. This is in addition to the monitor status since the trouble codes have been cleared and the MIL has been reset.
  • Verified support for the new Windows 10. We also tested the OS X El Capitan preview version for possible compatibility issues.
  • Improved internationalization with all the strings updated by native speakers. Because of high maintenance work we had to remove support for some languages with fewer users.
  • Improved functionality with some clone adapters. The problematic adapters reporting version 2.1 will work now too. We do recommend though that you use a high quality genuine ELM327 adapter. Some clone adapters have serious issues delivering data from the car.

Download the updated car diagnostic software now

Download the latest version for your Windows, Mac OS X or Linux from https://www.obdautodoctor.com/download.



Windows, Mac OS X and Linux version 2.0

OBD Auto Doctor for Windows, Mac OS X and Linux was previously updated to version 2.0. The new version contains a lot improvements. Some of them are visible to you but there are several improvements done under the hood, too. The latest version has now better support for the new Windows 8.1 and Mac OS X 10.10 Yosemite operating systems.

Exporting capabilities

One of the additions to the software was the data export capabilities. You will be now able to export Diagnostic Trouble Codes and Freeze Frame data to a text file. You can then easily share the file, or archive it for documenting the history of your car.

Moreover, you can export the sensor live data to a *.csv file. The csv file can be opened with spreadsheet software such as Microsoft Excel, Google Sheets or LibreOffice Calc. You can record a whole drive cycle and review the results afterward to detect some abnormalities with the sensors of your car. You can even draw a custom graph with these external tools from the data you collected with OBD Auto Doctor.

We did an example drive with 2014 Audi A3 1.4 TFSI and recorded the car data during it. The granularity of the data is rather coarse because we recorded 28 sensors simultaneously. Dropping the amount of different sensors will improve the granularity significantly. That’s because it leaves more time to update the interesting sensors more frequently.

OBD2 data graph exported from LibreOffice Calc

Click the image for full size.


Short term fuel trim, long term fuel trim, oxygen sensor output voltage, equivalence ratio (lambda) and oxygen sensor current in the same graph.
Short term fuel trim, long term fuel trim, oxygen sensor output voltage, equivalence ratio (lambda) and oxygen sensor current in the same graph.


OBD2 data graph exported from Google Sheets

Click the image for full size.


Calculated engine load, accelerator pedal position and engine RPM in the same graph.
Calculated engine load, accelerator pedal position and engine RPM in the same graph.


Other new features

In addition to the export functions, the latest version added support for 16 new OBD2 parameters. It’s also now possible to graph more than one sensor or parameter simultaneously with the oscilloscope. Last, OBD Auto Doctor user interface was translated to Polish.

You can download the latest version of OBD Auto Doctor from the download page.



New Windows, Linux car diagnostic software version available

OBD Auto Doctor icon

New version of our car diagnostic software for Windows and Linux is available for download. We recommend that you update your existing installation to this one. The new version contains several improvements and new features compared to the previous version. The following list contains the most important additions.

What’s new in the version 1.6?

The software is compatible with Windows 8, 7, Vista and XP. For Linux, *.deb and *.tar.gz packages are provided. Try it out yourself!



OBD graph for Windows and Linux

The release date of the next version of OBD Auto Doctor for Windows and Linux is coming closer. We would like to give you a short preview of the most important feature addition made to the software: OBD data graph aka oscilloscope.

With the OBD oscilloscope, you can visualize sensor value changes easily. Graphs are great tools because they communicate information visually. Even large amount of data, or fast changing data can be interpreted much better when expressed as a graph. Graphs help you to identify sudden spikes and trends in the data.


Air Flow Rate from Mass Flow Sensor Graph
Air Flow Rate from Mass Flow Sensor


In addition to visualizing the numeric OBD data, our software enables you to save the graphs to your computer as image files. You can share the images with your mechanics or friends, or you can post them to automotive forums when asking repair advice from fellow DIYers. The screenshots in this post are saved by OBD Auto Doctor.


Fuel Rail Pressure Graph
Fuel Rail Pressure


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