why does my Tesla Model S Original (2012-2020) keep losing connection to Wi-Fi

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

469 words

Problem Statement

Learn how to diagnose and fix Wi-Fi connection issues in Tesla Model S (2012-2020). Step-by-step guide with symptoms, diagnostic steps, and solutions.

Affected Component

Electrical

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure the vehicle is in 'Park' mode before performing any resets or inspections.

Symptoms

•Wi-Fi connection drops frequently during use
•Inability to stream music or access internet-based features
•Checkmark next to Wi-Fi name indicating connection but no internet access
•Software updates failing to download due to connectivity issues
•Error messages related to Wi-Fi connection on the touchscreen

Diagnostic Steps

1
Check the strength of the Wi-Fi signal at the vehicle's location.
2
Verify the Wi-Fi network settings on the Tesla touchscreen.
3
Restart the vehicle's infotainment system by holding down the scroll wheels on the steering wheel.
4
Restart the Wi-Fi router to ensure it is functioning properly.
5
Check for any software updates available for the vehicle that may address connectivity issues.
6
Inspect for physical obstructions or interference between the vehicle and the Wi-Fi router.

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

•Smartphone
•Trim removal tools

Parts Required

•Wi-Fi antenna (if replacement is necessary)

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Symptoms

•Wi-Fi connection drops frequently during use

•Inability to stream music or access internet-based features

•Checkmark next to Wi-Fi name indicating connection but no internet access

•Software updates failing to download due to connectivity issues

•Error messages related to Wi-Fi connection on the touchscreen

Diagnostic Steps

1
Check the strength of the Wi-Fi signal at the vehicle's location.
2
Verify the Wi-Fi network settings on the Tesla touchscreen.
3
Restart the vehicle's infotainment system by holding down the scroll wheels on the steering wheel.
4
Restart the Wi-Fi router to ensure it is functioning properly.
5
Check for any software updates available for the vehicle that may address connectivity issues.
6
Inspect for physical obstructions or interference between the vehicle and the Wi-Fi router.

Solution

1. Preparation

Ensure the vehicle is parked in a safe location.
Gather necessary tools: a smartphone and the Tesla app.

2. Reset Network Settings

On the Tesla touchscreen, navigate to Settings > Wi-Fi.
Select the connected network and choose Forget Network.
Reconnect to the Wi-Fi network by selecting it and entering the password.

3. Update Software

Go to Software on the Tesla touchscreen.
Check for available updates and initiate the update process if one is available.
Ensure the vehicle stays connected to Wi-Fi during the update process.

4. Inspect Wi-Fi Antenna

If the issue persists, the Wi-Fi antenna may need inspection.
Remove the rear liftgate trim panel using the appropriate trim removal tools.
Inspect the antenna connections for looseness or corrosion.
Reconnect or replace the antenna if necessary.

5. Perform Factory Reset (if necessary)

If all else fails, consider performing a factory reset.
Navigate to Settings > Service > Factory Reset.
Follow the on-screen instructions to complete the reset.