Firmware Updates for OBDLink MX+

Here you will find short summaries of changes between the different firmware revisions. Developers should read the detailed changelog found inside the respective update archive.

To install an update via the OBDLink app, navigate to 'Settings' > 'Firmware Updates', then click 'Check For Updates'
To install an update via a Windows PC, download and extract the archive, then run StnFirmwareUpdater.exe



Latest Version 5.6.5

Release Date: October 14, 2020
Level of Importance: Recommended

Download

This release fixed a serious bug:

  • Fixed ISO protocol detection failure

See obdlink_mxp-changelog.txt inside the archive for detailed descriptions of the changes.




Version 5.6.4

Release Date: October 6, 2020

This release fixed a bug:

  • Fixed BUFFER FULL during multi-frame transmission on CAN

This release also included a change:

  • Improved module detection for GM Enhanced Diagnostics

See obdlink_mxp-changelog.txt inside the archive for detailed descriptions of the changes.




Version 5.6.1

Release Date: September 18, 2020

This release added a couple of changes:

  • Changed STCTOR to accept 2 parameters
  • Changed STCSTM precision to milliseconds

See obdlink_mxp-changelog.txt inside the archive for detailed descriptions of the changes.




Version 5.6.0

Release Date: September 16, 2020

This major release fixed a few bugs:

  • Fixed 7Fxx78 message being counted when using STPTO 0
  • Fixed STSLU, STSLVL, and STSLX not working

This release added a few new features and changes:

  • Enabled Bluetooth pairing upon power up
  • Added command to change CAN consecutive and flow control frame reception timeouts
  • Added command to specify additional STmin delay
  • Added support for 4 byte header to ATSH
  • Improved module detection for Enhanced Diagnostics
  • Removed CAN deaf time after sending a CAN message

See obdlink_mxp-changelog.txt inside the archive for detailed descriptions of the changes.




Version 5.5.3

Release Date: June 9, 2020
Level of Importance: Recommended

Download

This release fixed a serious bug:

  • Fixed inability to transmit on MS CAN with rev 2.0 hardware

See obdlink_mxp-changelog.txt inside the archive for detailed descriptions of the changes.




Version 5.5.2

Release Date: June 3, 2020

This release fixed a serious bug:

  • Fixed inability to transmit after CAN ERROR

See obdlink_mxp-changelog.txt inside the archive for detailed descriptions of the changes.




Version 5.5.1

Release Date: June 2, 2020

This release fixed a serious bug:

  • Fixed FATAL ERROR when using multi-frame reception on CAN

See obdlink_mxp-changelog.txt inside the archive for detailed descriptions of the changes.




Version 5.5.0

Release Date: May 28, 2020

This release added a couple of changes:

  • ELM 1.4b compliance
  • CAN driver improvements

See obdlink_mxp-changelog.txt inside the archive for detailed descriptions of the changes.




Version 5.4.0

Release Date: April 14, 2020
Level of Importance: Recommended

Download

This release fixed a few bugs:

  • Stopped premature timeout on CAN multi-frame reception
  • Fixed a "BUFFER FULL" error on a busy CAN bus
  • SW CAN bus load now enabled appropriately

This release also added a new feature and change:

  • Added support for 8/7 CAN
  • "STOPPED" is now printed exiting all monitoring modes

See obdlink_mxp-changelog.txt inside the archive for detailed descriptions of the changes.




Version 5.3.1

Release Date: December 26, 2019
Level of Importance: Recommended

Download

This release added one major feature:

  • Added support for Hyundai/Kia Enhanced Diagnostics

See obdlink_mxp-changelog.txt inside the archive for detailed descriptions of the changes.




Version 5.1.3

Release Date: October 28, 2019
Level of Importance: Recommended

Download

This release fixed a bug:

  • Fixed printing error when message reception was interrupted

This release also added a new feature and change:

  • Added support for Honda Enhanced Diagnostics
  • Changed default Bluetooth COD to 001F00

See obdlink_mxp-changelog.txt inside the archive for detailed descriptions of the changes.




Version 5.0.0

Release Date: July 25, 2019
Level of Importance: Recommended

Download

This major release fixed a few bugs:

  • Fixed CAN extended addressing bug when auto-formatting turned off
  • Fixed some minor Bluetooth issues
  • Fixed DTC retrieval in GM Enhanced Diagnostics

This release also added a couple of new features:

  • Added periodic messaging commands
  • Added command for custom ISO-14230 fast init

See obdlink_mxp-changelog.txt inside the archive for detailed descriptions of the changes.




Version 4.5.27

Release Date: June 21, 2019
Level of Importance: Recommended

Download

This release added a few new features and changes:

  • Added support for new MX+ hardware
  • Added support for older GM vehicles
  • Improved Bluetooth functionality
  • J1939 now accepts targeted or broadcast acknowledgements

See obdlink_mxp-changelog.txt inside the archive for detailed descriptions of the changes.




Version 4.5.15

Release Date: November 16, 2018

This release fixed a bug including:

  • ELM 2.0 compliance

See obdlink_mxp-changelog.txt inside the archive for detailed descriptions of the changes.




Version 4.5.14

Release Date: November 9, 2018

This release has one change:

  • Improved auto-connect feature reliability

See obdlink_mxp-changelog.txt inside the archive for detailed descriptions of the changes.




Version 4.5.12

Release Date: October 25, 2018

Initial Release




Previous Releases