how to fix my Tesla Model Y Current (2020-present) that won't unlock with the remote

Tesla Model Y Current (2020-present)

Error Codes

30 minutes

Time

medium

Difficulty

medium

Severity

3 min read

480 words

Problem Statement

Learn how to troubleshoot and fix key fob issues for Tesla Model Y. Step-by-step guide to diagnose and resolve unlocking problems.

Affected Component

Electrical

Estimated Time

30 minutes

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure the vehicle is in 'Park' mode before performing any key fob maintenance.

Symptoms

•Remote key fob does not respond when pressing the unlock button
•Indicator lights on the vehicle do not flash when attempting to unlock
•Mobile app shows vehicle is locked but does not allow unlocking
•Vehicle remains locked even when approaching with the key fob
•Battery indicator on the key fob is low or dead

Diagnostic Steps

1
Check the battery level of the key fob and replace if necessary.
2
Ensure that the key fob is within range of the vehicle.
3
Verify if the mobile app can unlock the vehicle.
4
Inspect for any physical damage to the key fob.
5
Perform a software update on the vehicle through the touchscreen interface.
6
Restart the vehicle's system by powering it off and back on.

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
•Replacement key fob battery (CR2032)

Parts Required

•CR2032 battery (if replacement is needed)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Symptoms

•Remote key fob does not respond when pressing the unlock button

•Indicator lights on the vehicle do not flash when attempting to unlock

•Mobile app shows vehicle is locked but does not allow unlocking

•Vehicle remains locked even when approaching with the key fob

•Battery indicator on the key fob is low or dead

Diagnostic Steps

1
Check the battery level of the key fob and replace if necessary.
2
Ensure that the key fob is within range of the vehicle.
3
Verify if the mobile app can unlock the vehicle.
4
Inspect for any physical damage to the key fob.
5
Perform a software update on the vehicle through the touchscreen interface.
6
Restart the vehicle's system by powering it off and back on.

Solution

1. Preparation

Tools Required: Replacement key fob battery (CR2032)
Ensure the vehicle is parked in a safe location.
Have a compatible smartphone ready for app access.

2. Replace Key Fob Battery

Sub-steps:
1. Locate the seam on the key fob and use a small flathead screwdriver to gently pry it open.
2. Remove the old battery and dispose of it properly.
3. Insert a new CR2032 battery with the positive side facing up.
4. Snap the key fob back together securely.

3. Verify Key Fob Functionality

Sub-steps:
1. Press the unlock button while standing near the vehicle.
2. Observe if the indicator lights flash and if the vehicle unlocks.

4. Mobile App Troubleshooting

Sub-steps:
1. Open the Tesla mobile app and log in if necessary.
2. Navigate to the 'Controls' section and attempt to unlock the vehicle via the app.
3. If unsuccessful, check for app updates in your device's app store.

5. Perform Software Update

Sub-steps:
1. Access the vehicle's touchscreen and go to 'Software'.
2. Check for any available updates and install them.
3. Follow prompts to complete the installation and restart the vehicle if required.