how to fix my Tesla Model S Plaid/Refresh (2021-present) if it won’t unlock with key fob

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

30 minutes

Time

medium

Difficulty

medium

Severity

3 min read

485 words

Problem Statement

Learn how to fix the key fob not unlocking issue in Tesla Model S Plaid. Step-by-step guide with diagnostic steps and repair instructions.

Affected Component

Electrical

Estimated Time

30 minutes

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure that the vehicle is in a safe location before attempting to unlock or troubleshoot.

Symptoms

•Key fob does not respond when attempting to unlock the vehicle.
•Vehicle remains locked despite multiple attempts to use the key fob.
•Visual or auditory feedback from the key fob is absent (e.g., no LED light activation).
•Possible error message displayed on the vehicle's touchscreen regarding key fob connectivity.
•The vehicle may unlock using the Tesla app, indicating a potential issue with the key fob itself.

Diagnostic Steps

1
Check the battery level of the key fob and replace it if low or dead.
2
Attempt to unlock the vehicle using the Tesla app to confirm vehicle functionality.
3
Inspect the key fob for physical damage or water exposure.
4
Reset the vehicle's touchscreen by holding down the two scroll wheels on the steering wheel until the screen reboots.
5
Re-pair the key fob with the vehicle if the previous steps do not resolve the issue.
6
Check for any software updates available for the vehicle that may address key fob functionality.

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

•CR2032 battery

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Symptoms

•Key fob does not respond when attempting to unlock the vehicle.

•Vehicle remains locked despite multiple attempts to use the key fob.

•Visual or auditory feedback from the key fob is absent (e.g., no LED light activation).

•Possible error message displayed on the vehicle's touchscreen regarding key fob connectivity.

•The vehicle may unlock using the Tesla app, indicating a potential issue with the key fob itself.

Diagnostic Steps

1
Check the battery level of the key fob and replace it if low or dead.
2
Attempt to unlock the vehicle using the Tesla app to confirm vehicle functionality.
3
Inspect the key fob for physical damage or water exposure.
4
Reset the vehicle's touchscreen by holding down the two scroll wheels on the steering wheel until the screen reboots.
5
Re-pair the key fob with the vehicle if the previous steps do not resolve the issue.
6
Check for any software updates available for the vehicle that may address key fob functionality.

Solution

1. Key Fob Battery Replacement

Tools Required: Small flathead screwdriver, CR2032 battery.
Sub-steps:
1. Use the small flathead screwdriver to gently pry open the key fob.
2. Remove the old CR2032 battery, noting its orientation.
3. Insert the new CR2032 battery in the same orientation.
4. Securely close the key fob casing.

2. Re-pairing the Key Fob

Tools Required: None.
Sub-steps:
1. Enter the vehicle and ensure it is in Park.
2. On the touchscreen, go to "Controls."
3. Select "Locks," then "Add Key Fob."
4. Follow the on-screen instructions, which typically include placing the key fob on the center console.
5. Confirm successful pairing once prompted.

3. Software Update Check

Tools Required: None.
Sub-steps:
1. On the vehicle's touchscreen, navigate to "Software."
2. Check for any available updates.
3. If an update is available, follow the prompts to download and install it.
4. Restart the vehicle after the update is complete to ensure all systems are functioning properly.