how to perform a software update on Tesla Model S Original (2012-2020)

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

30-60 minutes

Time

easy

Difficulty

medium

Severity

3 min read

428 words

Problem Statement

Step-by-step guide to perform a software update on Tesla Model S (2012-2020). Ensure optimal performance and features with this easy process.

Affected Component

Electrical

Estimated Time

30-60 minutes

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure the vehicle is parked in a safe location and not in a high-traffic area during the update process.

Symptoms

•Notification of available software update
•Inability to access certain features until update is installed
•Slower response times or glitches in the user interface
•Occasional error messages related to software functionality

Diagnostic Steps

1
Check for software update notifications on the vehicle’s touchscreen.
2
Verify the current software version installed in the vehicle through the settings menu.
3
Ensure the vehicle is connected to Wi-Fi for downloading updates.
4
Confirm that the vehicle's battery has sufficient charge (at least 20%) to perform the update.
5
Ensure the vehicle is parked and in a safe location during the update process.

Solution

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

•Ensure the vehicle is parked with the battery charged above 20%.
•Connect the vehicle to a stable Wi-Fi network.

Parts Required

•None

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Diagnostic Steps

1
Check for software update notifications on the vehicle’s touchscreen.
2
Verify the current software version installed in the vehicle through the settings menu.
3
Ensure the vehicle is connected to Wi-Fi for downloading updates.
4
Confirm that the vehicle's battery has sufficient charge (at least 20%) to perform the update.
5
Ensure the vehicle is parked and in a safe location during the update process.

Solution

1. Preparation

Tools Required: None
Ensure the vehicle is parked with the battery charged above 20%.
Connect the vehicle to a stable Wi-Fi network.

2. Access Software Update

Navigate to the ‘Controls’ menu on the touchscreen.
Select ‘Software’ to view the current version and check for updates.

3. Download Update

If an update is available, tap ‘Install Now’ or ‘Schedule for Later’.
Follow prompts to begin downloading the software update. Ensure the Wi-Fi connection remains active during this process.

4. Install Update

Once the download is complete, the vehicle will prompt to install the update.
Confirm by selecting ‘Install’. The vehicle will automatically reboot several times during the installation process.
The update may take 30 minutes to an hour to complete, depending on the size of the update.

5. Finalize Update

After the installation is complete, the vehicle will notify you.
Test the vehicle functions to ensure the software update was successful.