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To upgrade the firmware running on your Tesla CCS Adapter, please follow the instructions on this page. Many issues encountered while charging may be resolved by ensuring you’re running the latest firmware. As issues are reported, new firmware will be released from time to time. Please check back here for any updates. If you still experience any issues while charging, after updating to the latest firmware, please feel free to notify us – make sure to mention the manufacturer of the charger you are experiencing trouble with, and any error messages that you see.
Note: This firmware and the instructions provided pertain only to the Tesla CCS Adapter sold by EVSE Adapters. Currently the firmware installation tool is only available as a Windows exe program, so please install it using a Windows PC. (If you’re running an Apple or Linux OS, you might have success using Wine or by using a Virtual Machine or Emulator.)
Run the software you just downloaded and click on the Install button.
Once the driver has been installed, you can proceed to download the latest firmware revision from the link below.
Use a micro-USB cord to connect your adapter to the computer (make sure it is a data transfer cord and not just a charger cord).
Run the software you just downloaded and click on the “write” button. It should promptly begin transferring the update to your adapter. Note that the port number indicated may be different, and that is OK. Once it finishes updating, you may disconnect your adapter from the computer and turn off the adapter.
(Note: If you need to update again in the future using the same computer, you can skip steps 1-2)
The latest available firmware, released 2021-09-16 is:
(Note: Please try V161-1 first. If that doesn’t work, then try V161)
Release notes: Solves the problem of some EVs not charging after software update
Previous versions: 2021.04.20 – V150 Adjust timeout and timing to achieve better compatibility
2021.02.23 – V141 Optimize CCS side charging sequence to solve compatibility issues preventing charging with some chargers
2021.01.14 – V130 & V131 V131 Fix some chargers error of precharge no voltage, increase contract wait time V130 Fix the problem where sometime charging stops shortly after starting V129 Fix some chargers problem during cable check session