how to fix the remote start feature in Tesla Model S Plaid/Refresh (2021-present)

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

532 words

Problem Statement

Learn how to diagnose and fix the remote start feature in Tesla Model S Plaid (2021-present). Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Electrical

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure the vehicle is in a well-ventilated area when using remote start to prevent carbon monoxide buildup.

Symptoms

•Remote start command not recognized by the vehicle
•Mobile app shows an error when attempting to start
•Vehicle does not respond to key fob remote start
•Notifications indicating remote start failure
•Climate control not activating as expected

Diagnostic Steps

1
Verify that the mobile app is connected to the vehicle and up to date.
2
Check the vehicle's battery status to ensure it has sufficient charge.
3
Inspect the settings in the vehicle's touchscreen to confirm that remote start is enabled.
4
Ensure that the key fob is functioning properly and has a working battery.
5
Check for any software updates available for the vehicle.
6
Review the vehicle logs for any error messages related to remote start.

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 with Tesla app
•Small flat blade screwdriver

Parts Required

•CR2032 battery

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Diagnostic Steps

1
Verify that the mobile app is connected to the vehicle and up to date.
2
Check the vehicle's battery status to ensure it has sufficient charge.
3
Inspect the settings in the vehicle's touchscreen to confirm that remote start is enabled.
4
Ensure that the key fob is functioning properly and has a working battery.
5
Check for any software updates available for the vehicle.
6
Review the vehicle logs for any error messages related to remote start.

Solution

1. Preparation

Gather necessary tools: smartphone with Tesla app, key fob, and possibly a computer for software updates.
Ensure the vehicle is parked in a well-ventilated area.

2. Update Software

Sub-step 1: Access the vehicle's touchscreen and navigate to "Software" settings.
Sub-step 2: Check for any available updates and follow prompts to install them.
Sub-step 3: Confirm installation completion and reboot the vehicle if necessary.

3. Reset Vehicle Electronics

Sub-step 1: Press and hold both scroll wheels on the steering wheel until the touchscreen resets (approximately 10 seconds).
Sub-step 2: Wait for the touchscreen to restart and check if remote start functionality is restored.

4. Verify Remote Start Settings

Sub-step 1: On the touchscreen, go to "Controls" > "Safety & Security."
Sub-step 2: Locate the "Remote Start" option and ensure it is enabled.
Sub-step 3: Confirm settings and exit the menu.

5. Key Fob Battery Replacement (if necessary)

Sub-step 1: Open the key fob using a small flat blade screwdriver to pry it apart.
Sub-step 2: Replace the old battery with a new CR2032 battery, ensuring proper orientation (+ side facing up).
Sub-step 3: Reassemble the key fob and test the remote start function.