why does my Tesla Model S Plaid/Refresh (2021-present) remote key fob not work

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

30 minutes to 1 hour

Time

medium

Difficulty

medium

Severity

2 min read

362 words

Problem Statement

Learn how to troubleshoot and fix the non-functioning key fob for Tesla Model S Plaid (2021-present). Step-by-step guide with diagnostic steps and solutions.

Affected Component

Electrical

Estimated Time

30 minutes to 1 hour

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure the vehicle is in 'Park' and stationary before performing any resets or inspections.

Symptoms

•Key fob buttons are unresponsive
•Vehicle does not recognize the key fob when attempting to unlock
•Key not detected alert on the vehicle screen
•Reduced range of key fob functionality
•Inability to start the vehicle using the fob

Diagnostic Steps

1
Check the key fob battery level and replace if necessary.
2
Verify if the vehicle's software is up to date.
3
Inspect the key fob for physical damage or water exposure.
4
Test the key fob functionality with another Tesla vehicle, if accessible.
5
Ensure that the key fob is within range of the vehicle (approximately 3-5 feet).
6
Perform a reset of the vehicle's keyless entry system through the touchscreen.

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

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 if the vehicle's software is up to date.
3
Inspect the key fob for physical damage or water exposure.
4
Test the key fob functionality with another Tesla vehicle, if accessible.
5
Ensure that the key fob is within range of the vehicle (approximately 3-5 feet).
6
Perform a reset of the vehicle's keyless entry system through the touchscreen.

Solution

1. Battery Replacement

Sub-steps:
1. Use a small flathead screwdriver to gently pry open the key fob casing.
2. Remove the old battery (CR2032) and replace it with a new one, ensuring the positive side is facing up.
3. Reassemble the key fob casing securely.

2. Software Update

Sub-steps:
1. Connect the vehicle to Wi-Fi.
2. Access the vehicle's touchscreen and navigate to 'Software' settings.
3. Check for available updates and install if necessary.

3. Physical Inspection

Sub-steps:
1. Examine the key fob for cracks or water damage.
2. If damage is found, replace the key fob entirely.

4. Key Fob Initialization

Sub-steps:
1. In the vehicle, navigate to 'Controls' > 'Locks'.
2. Select 'Add Key Fob' and follow on-screen instructions to pair the key fob.

5. Vehicle Reset

Sub-steps:
1. Power off the vehicle by holding the brake pedal and selecting 'Power Off' from the touchscreen menu.
2. Wait for at least 2 minutes before turning the vehicle back on.

Tools Required:

Small flathead screwdriver
Replacement battery (CR2032)

Parts Required:

Key fob battery (CR2032)

Estimated Repair Time: 30 minutes to 1 hour

Safety Warnings:

Ensure the vehicle is in 'Park' and stationary before performing any resets or inspections.