how to fix Tesla Model 3 Original (2017-2023) that won’t unlock with the app

Tesla Model 3 Highland (2024-present)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

438 words

Problem Statement

Learn how to troubleshoot and fix the unlocking issue with Tesla Model 3 (2017-2023) using the mobile app. Step-by-step guide included.

Affected Component

Electrical

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure the vehicle is in a secure location before performing resets or updates.

Symptoms

•Mobile app shows the vehicle as 'offline'
•Unable to unlock doors remotely
•Notifications indicating connection issues with the vehicle
•Failure to respond to key fob or phone as a key
•Presence of error messages in the app regarding vehicle connectivity

Diagnostic Steps

1
Verify the mobile device's internet connection and Bluetooth settings.
2
Check the Tesla app for updates and install the latest version.
3
Restart the mobile device to refresh connections.
4
Check the Tesla vehicle software version and ensure it is up to date.
5
Inspect the vehicle's connectivity settings in the car's menu.
6
Perform a hard reset of the vehicle by holding down the two scroll wheels on the steering wheel until the screen reboots.

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

•Smartphone with Tesla app
•Internet connection

Parts Required

•None required for this troubleshooting process.

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Verify the mobile device's internet connection and Bluetooth settings.
2
Check the Tesla app for updates and install the latest version.
3
Restart the mobile device to refresh connections.
4
Check the Tesla vehicle software version and ensure it is up to date.
5
Inspect the vehicle's connectivity settings in the car's menu.
6
Perform a hard reset of the vehicle by holding down the two scroll wheels on the steering wheel until the screen reboots.

Solution

1. Preparation

Gather necessary tools: Smartphone with Tesla app, internet connection.
Ensure the vehicle is parked in a location with good cellular reception.

2. Update Tesla Software

Sub-steps:
1. Access the vehicle's touchscreen.
2. Navigate to "Software" in the main menu.
3. Check for available updates and install if necessary. Ensure the vehicle is connected to Wi-Fi during this process.

3. Reset Vehicle Connections

Sub-steps:
1. Open the vehicle's settings from the touchscreen.
2. Go to "Safety & Security."
3. Select "Power Off" to turn off the vehicle completely.
4. Wait for at least 2 minutes before pressing the brake pedal to turn the vehicle back on.

4. Re-activate Mobile Access

Sub-steps:
1. Open the Tesla app on your smartphone.
2. Log out of your account and log back in to refresh the connection with the vehicle.
3. If issues persist, go to "Controls" > "Safety & Security" in the car and select "Mobile Access" to toggle it off and then back on.