how to troubleshoot Tesla Model 3 Highland (2024-present) charging port not working

Solution

1. Preparation

• Gather necessary tools: OBD-II scanner, cleaning supplies, multimeter.
• Ensure the vehicle is parked in a safe location with the parking brake engaged.
• Disconnect any external power sources if applicable.

2. Inspect Charging Cable and Port

• Sub-steps:
  • Visually inspect the charging cable for frays, cuts, or bent connectors.
  • Clean the charging port using a soft brush or compressed air to remove any debris.
  • Use a multimeter to check the connector pins for continuity and proper voltage.

3. Test Power Source

• Sub-steps:
  • Verify that the charging station or outlet is operational by testing it with another electric vehicle or a multimeter.
  • If using a home outlet, ensure it is on a dedicated circuit and not tripped.

4. Software Update

• Sub-steps:
  • Connect the vehicle to Wi-Fi.
  • Navigate to the software update section in the vehicle settings.
  • Install any available updates, following the prompts.

5. Replace Charging Port (if necessary)

• Sub-steps:
  • Disconnect the vehicle battery to prevent electrical shock.
  • Remove the rear bumper to access the charging port assembly.
  • Disconnect the electrical connectors and remove the mounting screws of the charging port.
  • Install the new charging port and reconnect all connectors.
  • Reassemble the rear bumper, ensuring all clips and screws are secured.