how to fix Tesla Model 3 Highland (2024-present) infotainment screen not responding

Solution

1. Preparation

• Tools Required: OBD-II scanner, socket set, torque wrench, multimeter.
• Ensure the vehicle is parked safely and powered down.
• Disconnect the vehicle's 12V battery to prevent electrical shocks.

2. Perform a Hard Reset

• Steps:
  1. Press and hold both scroll wheels on the steering wheel for approximately 10 seconds.
  2. Wait for the touchscreen to reboot, indicated by the Tesla logo appearing.
  3. Release the scroll wheels once the logo appears and wait for the system to fully restart.

3. Check 12V Battery

• Steps:
  1. Reconnect the 12V battery.
  2. Use a multimeter to check the voltage; it should be between 12.4V and 12.8V. If lower, consider replacing the battery.
  3. Inspect battery connections for corrosion or looseness and tighten as necessary.

4. Inspect Wiring and Connectors

• Steps:
  1. Remove the trim panel around the infotainment screen using a trim removal tool.
  2. Unscrew and remove the screen assembly using a socket set.
  3. Inspect the connectors for any signs of damage or disconnection.
  4. Reconnect any loose cables and ensure secure connections.

5. Check for Software Updates

• Steps:
  1. Reconnect the vehicle to a Wi-Fi network.
  2. Navigate to "Software" in the vehicle settings.
  3. Check for any available updates and install them if applicable.