TouchScan (OBD Diagnostics)

TouchScan (OBD Diagnostics)


(4 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 an option to select the ECU when multiple ECUs are detected.
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.
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)
  • (67 stars)

    by Jon Kent on 12/05/2015

    Works great

  • (67 stars)

    by TheJasinskis Jasinski on 09/05/2015

    Saved me $$$$s already

  • (67 stars)

    by Reginald Booker on 03/05/2015

    Gives me all the information about my BMW that I would have to pay hundreds for a mechanic to do.

  • (67 stars)

    by John Gunn on 02/05/2015


  • (67 stars)

    by Joshua Glory on 01/05/2015

    For starters, I have Torque Pro, Car Gauge Pro and an Edge Evolution programmer which all read and reset trouble codes on my Early '99 Powerstroke. My truck had been running very rough so I did a scan with each program. All showed 2 error codes which were glow plug issues and had nothing to do with the misfire. This Touchscan app however showed 4 codes, one of which, was a P1211 code which I track

  • (67 stars)

    by Tyler Gallegos on 30/04/2015

    Good app but its giving me really high mpg. Saying I'm going over 100 when I should be getting 20. What should I do?

  • (67 stars)

    by Anthony Farmer on 29/04/2015

    It wont conect to my obd2 bluetooth that plugs into ecu, the torque app works fine

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