my Tesla Model S Original (2012-2020) doesn't respond to the remote start, what can I do?

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

455 words

Problem Statement

Learn how to troubleshoot remote start issues in Tesla Model S (2012-2020). Step-by-step guide with diagnostic steps and solutions for key fob problems.

Affected Component

Electrical

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

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

Symptoms

•Remote start not functioning
•Key fob not recognized
•Vehicle not unlocking with key fob
•Dashboard display showing error messages
•Bluetooth connectivity issues with smartphone app

Diagnostic Steps

1
Check the key fob battery level and replace if necessary.
2
Verify the vehicle’s software is up-to-date using the touchscreen display.
3
Inspect vehicle settings for remote start options in the main menu.
4
Test the key fob functionality by using it to unlock and start the vehicle manually.
5
Reset the vehicle’s central computer by powering off and restarting the system.

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

•OBD-II scanner
•Replacement key fob battery (CR2032)
•Clean cloth

Parts Required

•Key fob battery (CR2032)

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Diagnostic Steps

1
Check the key fob battery level and replace if necessary.
2
Verify the vehicle’s software is up-to-date using the touchscreen display.
3
Inspect vehicle settings for remote start options in the main menu.
4
Test the key fob functionality by using it to unlock and start the vehicle manually.
5
Reset the vehicle’s central computer by powering off and restarting the system.

Solution

1. Preparation

Gather tools: OBD-II scanner (optional for diagnostics), replacement key fob battery (CR2032), clean cloth.
Ensure the vehicle is in a safe location and powered on.

2. Replace Key Fob Battery

Open the key fob by gently prying it apart with a clean cloth to avoid scratches.
Remove the old battery and insert a new CR2032 battery, ensuring the positive side is facing up.
Reassemble the key fob and test it to see if it functions properly.

3. Update Vehicle Software

Access the touchscreen and navigate to 'Software' in the settings menu.
Check for available updates.
If an update is available, follow the prompts to download and install it.
Allow the vehicle to restart after the update completes.

4. Verify Remote Start Settings

Go to 'Controls' on the touchscreen.
Select 'Driving' and ensure that the 'Remote Start' feature is enabled.
If not enabled, toggle it to 'On' and save changes.

5. Reset Central Computer

Press and hold both scroll wheels on the steering wheel until the touchscreen turns off and then back on (approximately 10 seconds).
Wait for the system to reboot completely and check if remote start functionality is restored.