Tesla Model 3 Owners & Service Manuals

Tesla Model 3: External Charging Connectors

Tesla Model 3 2017-2025 Service Manual / External Charging Connectors

Mobile Connector

Firmware Update - CHAdeMO Charging Adapter

CAN Setup

Connect the USB-CAN dongle to a laptop that is equipped with Toolbox

Connect the CHAdeMO CAN programming connector to the USB-CAN dongle.

Connect the CHAdeMO CAN programming connector to an external 12V power supply.

Connect the CHAdeMO CAN programming connector to the CHAdeMO charging adapter

Firmware Update

Note: It is not necessary to connect the diagnostic cable to the vehicle.

Firmware Update

  1. In the bottom left corner of the screen, click the gray circle on the right. A popup box appears:
  1. In the Vehicle field, select Tesla CHAdeMO Adapter.
  2. In the Bus field, select SE.
  3. Ensure that the Enable Diagnostics box is checked.
  1. Click Enable.
  2. In Toolbox, select Panels → Charging → CHAdeMO Adapter Firmware Update.

Note: If the CHAdeMO Adapter Firmware Update button is not present:

  1. Select Options → Plugins
  2. Ensure that the checkbox for CHAdeMO is checked.
  3. In the top right corner of the window, click Enable.
  1. Click the Start/Play button and follow the onscreen instructions

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