TouchScan (OBD Diagnostics)

TouchScan (OBD Diagnostics)


(3 stars)


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10,000 - 50,000 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 or EOBD vehicles. Not sure if your vehicle is OBD-2, EOBD or JOBD compliant? See this page for more information: TouchScan works with some JOBD compliant vehicles and in some cases requires modifications to the connection settings in the app. Please contact us 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, OBD Fusion for iOS, and OBDLink for Android and iOS. Now you can get the same great features for your phone or tablet.

TouchScan has the following features:

- Read and clear diagnostic trouble codes and your Check Engine Light (MIL)
- Real-time dashboard display
- Real-time graphing
- Fuel economy MPG, l/100km or km/l calculation
- Create custom enhanced PIDs
- Includes some built-in enhanced PIDs for Ford and GM vehicles
- Multiple trip meters
- Customizable dashboards with fast dashboard switching
- Log data to CSV format, which can be loaded into Excel
- 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
- Bluetooth, USB, and WiFi* scan tool support

* Only WiFi scan tools that support infrastructure mode will work with Android devices.

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Recently changed in this version

Added the ability to fully customize units.
Added support for importing/exporting app settings, dashboards, and PIDs.
Added Dropbox support allowing you to share files, settings, and CSV files.
Added a HUD option for dashboards.
Added the ability to log user PIDs.
Added an option to configure how time is written to CSV files.
Improved the fuel calculations for some vehicles.
Fixed some issues when running on Lollipop.
Fixed the O2 descriptions to display the correct sensor and bank numbers.

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

    by Vensi Detic on 23/03/2015


  • (46 stars)

    by Anatoli Iliev on 12/03/2015

    Nice and useful.

  • (46 stars)

    by Nick zuke on 11/03/2015

    Very useful if you wanna clear codes or just wanna find out info about your car

  • (46 stars)

    by Andrew Payne on 01/03/2015

    Works great on my cheap OBD II (Bluetooth) device with my Tab S. Superb graphics and great realtime logging straight to Dropbox. 5 Star App. The best.

  • (46 stars)

    by Christian West on 26/02/2015

    I have tried connecting it to My 2001 Mercury Grand Marquis, with the protocols sent to Automatic and with specifying the manufacturers call out for the OBD2 Protocal. I also confirmed that the vehicle is OBD2 certified. The app says it connects to the interface, but can not connect to the vehicle. Please advise or refund.

  • (46 stars)

    by Tom Stephen on 23/02/2015

    It's a great app but it keeps showing my Speedo reading as 10kph under what it really is same thing with the rpm meter.

  • (46 stars)

    by Mike Singleton on 20/02/2015


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