my Tesla Model S Original (2012-2020) is not responding to key fob what can I do

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

30 minutes

Time

medium

Difficulty

medium

Severity

3 min read

436 words

Problem Statement

Learn how to troubleshoot and fix an unresponsive key fob for Tesla Model S (2012-2020). Step-by-step guide with diagnostic 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 before performing any procedures.

Symptoms

•Key fob not unlocking doors
•Key fob not starting the vehicle
•Visual indicators on the fob not lighting up
•Vehicle not detecting the key fob
•Physical buttons on the fob not functioning

Diagnostic Steps

1
Check the battery level of the key fob.
2
Attempt to reprogram the key fob via the vehicle settings.
3
Inspect the key fob for physical damage or wear.
4
Verify the vehicle's software version and check for updates.
5
Test with a spare key fob if available.
6
Check for interference from other electronic devices nearby.

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

•Flathead screwdriver

Parts Required

•CR2032 battery

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Diagnostic Steps

1
Check the battery level of the key fob.
2
Attempt to reprogram the key fob via the vehicle settings.
3
Inspect the key fob for physical damage or wear.
4
Verify the vehicle's software version and check for updates.
5
Test with a spare key fob if available.
6
Check for interference from other electronic devices nearby.

Solution

1. Preparation

Gather necessary tools and materials.
Ensure the vehicle is parked safely and on a flat surface.

2. Replace Key Fob Battery

Open the Key Fob: Use a small flathead screwdriver to gently pry open the key fob casing.
Remove Old Battery: Take out the old battery, noting its orientation.
Insert New Battery: Place a new CR2032 battery in the same orientation as the old one.
Reassemble Key Fob: Snap the key fob casing back together until it clicks securely.

3. Reprogram Key Fob

Access Vehicle Settings: Enter the vehicle and power it on.
Navigate to Key Fob Settings: On the touchscreen, go to 'Controls' > 'Locks'.
Add Key Fob: Select ‘Add Key Fob’ and follow the on-screen instructions while holding the new key fob near the center console.

4. Update Vehicle Software

Connect to Wi-Fi: Ensure the vehicle is connected to a stable Wi-Fi network.
Check for Updates: Go to 'Controls' > 'Software' and check for available updates.
Install Updates: If an update is available, follow prompts to install.