my Tesla Model S Plaid key fob is not working, how do I reset it

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

30 minutes

Time

medium

Difficulty

medium

Severity

3 min read

514 words

Problem Statement

Learn how to reset a non-working key fob for Tesla Model S Plaid. Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Electrical

Estimated Time

30 minutes

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure the vehicle is in a safe location while troubleshooting or making repairs.

Symptoms

•Key fob does not unlock or lock the vehicle
•Key fob does not start the vehicle
•No response when pressing buttons on the key fob
•Key fob LED indicator does not light up
•Vehicle unable to detect the key fob nearby

Diagnostic Steps

1
Check the battery level of the key fob.
2
Inspect the key fob for physical damage or water exposure.
3
Attempt to use the key fob from different distances and angles.
4
Verify that the vehicle is not in 'Transport Mode' which may prevent key recognition.
5
Check if the vehicle's software is up to date.

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 screwdriver

Parts Required

•New key fob battery (CR2032 or specific type for your fob)

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Solution

1. Preparation

Gather necessary tools: small screwdriver (if the fob battery needs replacement), new battery (if applicable).
Ensure that the vehicle is in a safe location, and you have access to the charging cable if needed.

2. Replace the Key Fob Battery (if necessary)

Open the Key Fob:
- Use a small screwdriver or a flat tool to gently pry open the key fob case.
- Be careful not to damage the casing or internal components.
Remove Old Battery:
- Carefully take out the old battery, noting its orientation (positive side up).
- Dispose of the old battery properly.
Install New Battery:
- Insert the new battery in the same orientation as the old one.
- Ensure it is seated properly in the key fob.
Close the Key Fob:
- Snap the two halves of the fob back together securely.
- Ensure there are no gaps between the two halves.

3. Reset the Key Fob

Enter the Vehicle:
- Use the Tesla mobile app or the key card to enter the vehicle if the fob is not working.
Open the Settings Menu:
- On the touchscreen, go to 'Controls' > 'Locks'.
Remove the Key Fob:
- If the key fob is listed in the 'Key Fobs' section, tap it and select 'Forget'.
Re-add the Key Fob:
- Hold the key fob close to the center console (near the cup holders).
- On the touchscreen, select 'Add Key Fob' and follow the prompts to complete the pairing.