how to fix Tesla Model S Original (2012-2020) not responding to key fob

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

30 minutes to 1 hour

Time

medium

Difficulty

medium

Severity

3 min read

498 words

Problem Statement

Learn how to diagnose and fix key fob issues for Tesla Model S (2012-2020). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Electrical

Estimated Time

30 minutes to 1 hour

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure the vehicle is in 'Park' before performing any procedures.

Symptoms

•Key fob not unlocking the doors
•Vehicle not starting when key fob is nearby
•Indicator lights on key fob not illuminating
•Inability to access the vehicle via mobile app
•Error message on the dashboard regarding key fob

Diagnostic Steps

1
Check the battery level of the key fob and replace if low.
2
Verify if the key fob is within the operational range of the vehicle.
3
Inspect and clean the key fob for any signs of damage or debris.
4
Attempt to reboot the vehicle's infotainment system by holding down both scroll wheels on the steering wheel.
5
Check for firmware updates through the Tesla app or vehicle settings.
6
Scan for any error codes using the Tesla diagnostic tool.

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 Phillips screwdriver
•Tesla diagnostic tool (optional for advanced diagnostics)

Parts Required

•CR2032 battery (if replacement is needed)

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Diagnostic Steps

1
Check the battery level of the key fob and replace if low.
2
Verify if the key fob is within the operational range of the vehicle.
3
Inspect and clean the key fob for any signs of damage or debris.
4
Attempt to reboot the vehicle's infotainment system by holding down both scroll wheels on the steering wheel.
5
Check for firmware updates through the Tesla app or vehicle settings.
6
Scan for any error codes using the Tesla diagnostic tool.

Solution

1. Key Fob Battery Replacement

Tools Required: Small Phillips screwdriver, replacement CR2032 battery.
Instructions:
1. Use the Phillips screwdriver to remove the screws on the back cover of the key fob.
2. Carefully pry open the key fob to access the battery compartment.
3. Remove the old CR2032 battery and replace it with the new one, ensuring the positive side is facing up.
4. Reassemble the key fob by aligning the cover and securing it with screws.

2. Vehicle Reboot

Instructions:
1. Sit in the driver's seat with the vehicle in 'Park.'
2. Press and hold the two scroll wheels on the steering wheel simultaneously until the touchscreen goes black and the Tesla logo appears.
3. Wait for the vehicle to restart, approximately 30 seconds.
4. Test the key fob functionality after the reboot.

3. Key Fob Pairing

Instructions:
1. If the key fob is still not responding, access the vehicle’s touchscreen.
2. Go to 'Controls' > 'Settings' > 'Key Fob' > 'Add Key Fob.'
3. Follow the on-screen instructions to place the key fob in the designated area (e.g., center console).
4. Confirm that the key fob is recognized by the vehicle.