why does my Tesla Model S Plaid/Refresh (2021-present) have a flickering dashboard light

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

1-3 hours

Time

medium

Difficulty

medium

Severity

3 min read

405 words

Problem Statement

Learn how to diagnose and fix flickering dashboard lights in Tesla Model S Plaid/Refresh. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Electrical

Estimated Time

1-3 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the vehicle's power source before working on electrical systems.

Symptoms

•Flickering dashboard lights
•Inconsistent brightness of dashboard illumination
•Potential error messages or alerts on the display
•Possible loss of other electrical functions (e.g., infotainment system)
•Battery management system warnings (if applicable)

Diagnostic Steps

1
Check for any software updates via the Tesla app or vehicle settings.
2
Use the Tesla service menu to run diagnostics on the electrical system.
3
Inspect the dashboard light connections for any loose or corroded wiring.
4
Verify the battery voltage and health using the vehicle's diagnostics.
5
Review error logs for any related trouble codes using Tesla’s service tools.

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

•Trim removal tools
•Multimeter
•Tesla service diagnostic tool

Parts Required

•Replacement wiring or connectors (if damaged)
•New battery (if battery health is poor)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Check for any software updates via the Tesla app or vehicle settings.
2
Use the Tesla service menu to run diagnostics on the electrical system.
3
Inspect the dashboard light connections for any loose or corroded wiring.
4
Verify the battery voltage and health using the vehicle's diagnostics.
5
Review error logs for any related trouble codes using Tesla’s service tools.

Solution

1. Software Update

Step 1: Access the Tesla app or vehicle settings.
Step 2: Check for pending software updates.
Step 3: If an update is available, follow on-screen instructions to install it.

2. Electrical System Inspection

Step 1: Open the vehicle's service menu.
Step 2: Navigate to electrical diagnostics.
Step 3: Run tests to check for any irregularities in voltage or electrical flow.

3. Wiring Inspection

Step 1: Remove the dashboard panel carefully using trim removal tools.
Step 2: Inspect the wiring harness and connectors for signs of damage or corrosion.
Step 3: If any damage is found, repair or replace the affected wiring or connectors.

4. Battery Voltage Check

Step 1: Use the Tesla service tools to access battery health information.
Step 2: Check the voltage levels and overall battery status.
Step 3: If the battery health is degraded, consider seeking professional assistance for replacement.