TouchScan (OBD Diagnostics)

TouchScan (OBD Diagnostics)

5,000 - 10,000 downloads

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TouchScan is an app that allows you to read OBD2 vehicle data directly from your Android phone or tablet. You can clear your check engine light, read diagnostic trouble codes, estimate fuel economy and much more!

Is your check engine light on? Do you want to monitor fuel economy and usage in your vehicle? Do you want cool looking gauges on your Android phone or tablet? If so, then TouchScan is the app for you!

TouchScan is a vehicle diagnostics tool that connects to OBD-II, EOBD or JOBD vehicles. Not sure if your vehicle is OBD-2, EOBD or JOBD compliant? See this page for more information:

You must have a bluetooth ELM327 compatible scan tool to use this software. Usb scan tools are also supported, but you must have a tablet running Honeycomb or later with Usb host support to connect using a Usb device. For recommended scan tools, see our website Please note that cheap ELM clone adapters can be unreliable. TouchScan can connect to any ELM 327 compatible adapter, but the cheap clone adapters tend to have slow refresh rates and might disconnect randomly.

TouchScan for Android is brought to you by OCTech, LLC, the makers of TouchScan and OBDwiz for Windows and OBDLink for Android. Now you can get the same great features for your phone or tablet.

TouchScan has the following features:

- Fuel economy MPG, l/100km or km/l calculation
- Real-time dashboard display
- Real-time graphing
- Multiple trip meters
- Customizable dashboards with fast dashboard switching
- Log data to csv format
- Read and clear diagnostic trouble codes and your Check Engine Light (MIL)
- Display battery voltage
- Display Boost pressure (vehicle must support the required PIDs)
- Read freeze frame data
- English and Metric units
- Over 90 supported PIDs
- Displays vehicle information including VIN number and calibration ID
- Emissions readiness for each US state
- Oxygen Sensor Results (Mode $05)
- On-board Monitoring Tests (Mode $06)
- In-performance Tracking Counters (Mode $09)
- GPS tracking - plot vehicle parameters on a map in real-time
- Full diagnostic report that can be stored and emailed
- Wifi, Bluetooth and Usb scan tool support

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Recently changed in this version

- Fixed a bug that caused an error to occur when opening some CSV log files.
- Fixed a bug that caused the app to crash if external storage was not available.
- Added real-time graphing.
- Added new gauge designs and a style editor.
- Added Boost pressure.
- Added support for x86 devices.
- Added an option to auto-detect the bluetooth device.
- Added an option to reset the total fuel economy.
- Rewrote the USB driver. The driver is up to 10x faster than the previous version.

Comments and ratings for TouchScan (OBD Diagnostics)
  • (67 stars)

    by Paweł Pęcak on 11/04/2014

    Doesn't work on Nexus 5 :/

  • (67 stars)

    by Claude Herring on 01/04/2014

    Works very good & is convenient.

  • (67 stars)

    by Nick Zeringue on 31/03/2014

    Everything I expected and then some plus you don't have to go to an auto parts store or dealer. Can be done at home!!

  • (67 stars)

    by Howard Parvin on 30/03/2014

    This app works GREAT!

  • (67 stars)

    by M. Ridhwan on 26/03/2014

    Love it..

  • (67 stars)

    by ali bmw on 20/03/2014

  • (67 stars)

    by Jon Christensen on 15/03/2014

    This is the only so I have found that works flawlessly with USB obdII readers.