my Tesla Model Y Current (2020-present) dashboard lights won't turn off

Tesla Model Y Current (2020-present)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

514 words

Problem Statement

Learn how to diagnose and fix dashboard lights that won't turn off in Tesla Model Y. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Electrical

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems to avoid shocks or shorts.

Symptoms

•Dashboard lights remain illuminated after the vehicle is turned off
•Potentially abnormal behavior of other electronic systems (e.g., infotainment, climate control)
•Battery drain observed (vehicle not fully charging or losing charge faster than normal)
•Warning messages displayed on the screen (if applicable)
•Unresponsive touchscreen or controls

Diagnostic Steps

1
Verify if the vehicle is in 'Park' mode; some systems may stay active if the car is not properly parked.
2
Check for any active alerts or notifications on the touchscreen.
3
Perform a soft reset of the vehicle by holding down both scroll wheels on the steering wheel until the screen reboots.
4
Inspect the car’s settings to ensure no features are causing the lights to stay on (such as 'Always on' mode).
5
Connect an OBD-II scanner to check for any error codes related to the dashboard or electrical system.

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

•Socket wrench set
•OBD-II scanner (optional)

Parts Required

•Battery

Related Faults

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Symptoms

•Dashboard lights remain illuminated after the vehicle is turned off

•Potentially abnormal behavior of other electronic systems (e.g., infotainment, climate control)

•Battery drain observed (vehicle not fully charging or losing charge faster than normal)

•Warning messages displayed on the screen (if applicable)

•Unresponsive touchscreen or controls

Diagnostic Steps

1
Verify if the vehicle is in 'Park' mode; some systems may stay active if the car is not properly parked.
2
Check for any active alerts or notifications on the touchscreen.
3
Perform a soft reset of the vehicle by holding down both scroll wheels on the steering wheel until the screen reboots.
4
Inspect the car’s settings to ensure no features are causing the lights to stay on (such as 'Always on' mode).
5
Connect an OBD-II scanner to check for any error codes related to the dashboard or electrical system.

Solution

1. Preparation

Ensure the vehicle is in a safe location and turned off.
Gather necessary tools and parts for the repair.

2. Perform a Hard Reset

Disconnect the 12V battery:
- Open the front trunk (frunk).
- Locate the 12V battery under the service cover.
- Using a socket wrench, disconnect the negative terminal first, followed by the positive terminal.
- Wait for 5-10 minutes to allow the vehicle systems to reset.
- Reconnect the battery terminals (positive first, then negative).
Tools Required: Socket wrench set

3. Update Software (if applicable)

Ensure the vehicle software is up to date:
- Use the touchscreen to navigate to "Software" settings.
- Check for any available updates and follow prompts to install if necessary.

4. Inspect for Faulty Components

Check the vehicle's electrical systems:
- Inspect wiring and connectors related to the dashboard lights for any visible damage or corrosion.
- Ensure no fuses related to the dashboard are blown (check the fuse box as per manual).

5. Consult Tesla Service (if issue persists)

If the issue continues after performing the above steps, consider contacting Tesla service for further diagnostics.
Tools Required: None for this step, but a service appointment may be necessary.