GX System Upgrades

• JS

  J SS

  10/11/25, 1:52 PM

  2021 GX conversion system.

  Earlier I updated the OS since I have a few issues with me successfully connecting calls but the other person and I are unable to talk, or hear anything. Both are Samsung Androids which usually work fine, it was only a few times. 

  While in there I also noticed options to upgrade the MCU, CAN, and AC. I am familiar with an auto CAN system assuming its the vehicle data network and AC probably means air conditioning. What is the MCU upgrade? Do I need to just update evereything available? Is there a listing of upgrades/updates we may need? (or not need)

  Thanks for any tips

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• 

  Othniel Badea

  10/22/25, 6:36 AM

  Hi,

  I am just a customer, but I upgraded the MCU, which I believe is the Master Control Unit, and it fixed one of my issues with the temp display panels.  I typically update all of them to the latest version.  It's not always clear what is the latest version, it would be nice if Hamilton would post the version numbers and a change log.

  2020 GX 460 Luxury / 2020 GS-F

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