how to fix the Tesla Model S Plaid/Refresh (2021-present) that won’t respond to the key fob?

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

1 hour

Time

medium

Difficulty

medium

Severity

3 min read

509 words

Problem Statement

Learn how to fix the key fob not responding issue in Tesla Model S Plaid (2021-present). Step-by-step guide for battery replacement and reprogramming.

Affected Component

Electrical

Estimated Time

1 hour

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure the vehicle is turned off before attempting to replace the key fob battery to avoid accidental vehicle activation.

Symptoms

•Key fob not recognized by the vehicle
•Vehicle remains locked despite pressing the key fob button
•Key not detected message on the dashboard
•Inability to start the vehicle using the key fob
•Intermittent connectivity with the key fob

Diagnostic Steps

1
Verify the battery status of the key fob by pressing a button and checking for LED light.
2
Replace the key fob battery if the LED does not illuminate.
3
Check for software updates in the Tesla settings menu.
4
Reboot the vehicle’s touchscreen by holding down the two scroll wheels on the steering wheel until the Tesla logo appears.
5
Attempt to pair the key fob again with the vehicle using the Tesla app.

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

•Small flathead screwdriver
•New CR2032 battery

Parts Required

•CR2032 battery

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Diagnostic Steps

1
Verify the battery status of the key fob by pressing a button and checking for LED light.
2
Replace the key fob battery if the LED does not illuminate.
3
Check for software updates in the Tesla settings menu.
4
Reboot the vehicle’s touchscreen by holding down the two scroll wheels on the steering wheel until the Tesla logo appears.
5
Attempt to pair the key fob again with the vehicle using the Tesla app.

Solution

1. Preparation

Gather necessary tools:
- Small flathead screwdriver (for battery replacement)
- New CR2032 battery (for key fob)
Ensure the vehicle is in a safe location and parked.

2. Replace Key Fob Battery

Step 1: Open the key fob by inserting the small flathead screwdriver into the slot and gently prying apart the halves.
Step 2: Remove the old battery, noting the orientation (positive side facing up).
Step 3: Insert the new CR2032 battery into the key fob, ensuring the correct orientation.
Step 4: Snap the key fob halves back together securely.

3. Reprogram Key Fob

Step 1: Enter the vehicle and ensure it is powered on.
Step 2: Open the Tesla app and navigate to 'Controls' > 'Locks'.
Step 3: Select 'Add Key' and follow the prompts to reprogram the key fob. You may need to place the key fob on the center console during this process.

4. Software Update

Step 1: Check for software updates by navigating to 'Controls' > 'Software' on the touchscreen.
Step 2: If an update is available, follow the prompts to install it. Ensure the vehicle is connected to Wi-Fi.