my Tesla Model 3 Original (2017-2023) keeps losing its Wi-Fi connection, how to fix it?

Tesla Model 3 Highland (2024-present)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

484 words

Problem Statement

Learn how to resolve Wi-Fi connectivity issues in Tesla Model 3 (2017-2023). Step-by-step guide with diagnostic steps and solutions for stable connection.

Affected Component

Electrical

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure the vehicle is in a safe location before performing any resets or updates.

Symptoms

•Wi-Fi connection drops frequently
•Wi-Fi Not Connected message displayed on the screen
•Inability to access internet-dependent features
•Slow data transfer speeds when connected to Wi-Fi
•Wi-Fi connection not found during vehicle scanning

Diagnostic Steps

1
Check the Wi-Fi settings on the Tesla screen to confirm if it is attempting to connect to the correct network.
2
Inspect the router and ensure it is functioning correctly and within range of the vehicle.
3
Restart the vehicle by performing a soft reset (press and hold both scroll wheels).
4
Check for software updates available for the vehicle and apply any necessary updates.
5
Verify if other devices can connect to the same Wi-Fi network without issues.
6
Reset the network settings in the vehicle's software.

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

✓Test the affected component to ensure it functions correctly
✓Check for any error codes or warning lights
✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

•Follow the manufacturer's recommended maintenance schedule
•Address warning signs early before they develop into major issues
•Use quality parts and fluids recommended for your vehicle
•Keep detailed records of all repairs and maintenance

Tools & Equipment Required

•None specifically required for these steps.

Parts Required

•None specifically required for these steps.

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Diagnostic Steps

1
Check the Wi-Fi settings on the Tesla screen to confirm if it is attempting to connect to the correct network.
2
Inspect the router and ensure it is functioning correctly and within range of the vehicle.
3
Restart the vehicle by performing a soft reset (press and hold both scroll wheels).
4
Check for software updates available for the vehicle and apply any necessary updates.
5
Verify if other devices can connect to the same Wi-Fi network without issues.
6
Reset the network settings in the vehicle's software.

Solution

1. Preparation

Ensure the vehicle is parked in a secure location.
Have access to the Wi-Fi network credentials for re-entering them if necessary.

2. Restart the Wi-Fi Router

Unplug the power from the router.
Wait for 30 seconds before plugging it back in.
Allow the router to fully reboot and reconnect to the internet.

3. Reconnect Wi-Fi on the Tesla

On the Tesla screen, go to 'Controls' > 'Wi-Fi'.
Locate your Wi-Fi network from the list and select it.
Enter the Wi-Fi password if prompted, ensuring that it is entered correctly.

4. Software Update

Ensure the vehicle is connected to Wi-Fi.
Go to 'Controls' > 'Software' and check for any available updates.
Follow the prompts to download and install any software updates.

5. Factory Reset (if issues persist)

Go to 'Controls' > 'Service' > 'Factory Reset'.
Follow the prompts to perform the reset, which may help resolve persistent connectivity issues.
Note: This will reset personal settings, so ensure all important data is backed up.