how to fix the dashboard lights on my Tesla Model S Original (2012-2020) that are out

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

481 words

Problem Statement

Learn how to diagnose and fix dashboard lights on Tesla Model S (2012-2020). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Electrical

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect any power source before working on electrical components.

Symptoms

•Dashboard lights completely out
•Instrument cluster display non-functional
•Warning lights not illuminating
•Center display functioning properly
•Possible flickering of lights before failure

Diagnostic Steps

1
Check the vehicle settings to ensure dashboard lights are not dimmed or turned off.
2
Inspect fuses related to the dashboard lighting in the fuse box.
3
Use the Tesla service menu to run diagnostics on the instrument cluster.
4
Inspect wiring harnesses and connections for damage or loose connections.
5
Check for software updates that may address the issue.

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

•Fuse puller
•Multimeter
•Diagnostic device
•Trim removal tool

Parts Required

•Replacement fuses

Related Faults

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Diagnostic Steps

1
Check the vehicle settings to ensure dashboard lights are not dimmed or turned off.
2
Inspect fuses related to the dashboard lighting in the fuse box.
3
Use the Tesla service menu to run diagnostics on the instrument cluster.
4
Inspect wiring harnesses and connections for damage or loose connections.
5
Check for software updates that may address the issue.

Solution

1. Preparation

Gather necessary tools such as a fuse puller, multimeter, and diagnostic device (if needed).
Ensure the vehicle is in park and power off before starting work.

2. Check Settings

Access the vehicle settings through the center display.
Navigate to "Display" settings and ensure the dashboard brightness is set correctly.

3. Inspect Fuses

Locate the fuse box, typically found under the dashboard on the driver's side.
Identify the fuse designated for the dashboard lights using the fuse diagram.
Remove the fuse using a fuse puller and inspect it for signs of damage; replace if blown.

4. Run Diagnostic Test

Use the Tesla service mode to access diagnostic tests for the instrument cluster.
Follow on-screen prompts to check for error codes related to lighting issues.

5. Inspect Wiring and Connections

Remove the dashboard cover carefully, using a trim removal tool to avoid damage.
Check for loose or corroded connections in the wiring harness of the instrument cluster.
If any issues are found, repair or replace the damaged wiring or connectors.

6. Software Update

Connect the vehicle to a Wi-Fi network.
Check for any available software updates through the vehicle settings.
Download and install any updates that might improve functionality.

7. Reassemble Components

Reattach the dashboard cover securely after checking all connections.
Ensure that no tools or loose parts are left inside the dashboard area.