how to fix Tesla Model 3 Highland (2024-present) dashboard lights flickering

Tesla Model 3 Highland (2024-present)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

451 words

Problem Statement

Learn how to diagnose and fix dashboard lights flickering in Tesla Model 3 Highland (2024-present). 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 12V battery before working on electrical components.
•Ensure the vehicle is powered down completely before starting the inspection.

Symptoms

•Dashboard lights flickering or dimming
•Possible accompanying warning messages on the display
•Unresponsive controls or functions
•Battery management system alerts
•Reduced visibility of dashboard indicators

Diagnostic Steps

1
Check for software updates via the vehicle’s settings menu.
2
Inspect the battery health and voltage levels.
3
Scan the vehicle's onboard diagnostics (OBD-II) for error codes.
4
Visually inspect the dashboard wiring and connectors for any loose or damaged connections.
5
Reset the vehicle’s touchscreen by holding down the two scroll wheels on the steering wheel until the screen turns off and back on.
6
Verify the integrity of the 12V battery and its connections.

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

•Multimeter
•Socket set
•Screwdrivers

Parts Required

•12V battery (if found faulty)
•Wiring harness (if damaged)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Check for software updates via the vehicle’s settings menu.
2
Inspect the battery health and voltage levels.
3
Scan the vehicle's onboard diagnostics (OBD-II) for error codes.
4
Visually inspect the dashboard wiring and connectors for any loose or damaged connections.
5
Reset the vehicle’s touchscreen by holding down the two scroll wheels on the steering wheel until the screen turns off and back on.
6
Verify the integrity of the 12V battery and its connections.

Solution

1. Preparation

Ensure the vehicle is in a safe location with adequate space to work.
Disconnect the vehicle from any charging source.
Gather necessary tools and replacement parts.

2. Software Update

Tools Required: None
Go to the “Software” tab in the settings menu.
Check for any available updates and install them if found.

3. Battery Inspection

Tools Required: Multimeter
Open the front trunk and locate the 12V battery.
Use the multimeter to measure the voltage; it should be around 12.6 volts when fully charged.
Clean the battery terminals and ensure they are tightly connected.

4. Wiring Inspection

Tools Required: Socket set, screwdrivers
Remove the dashboard cover by unscrewing the necessary fasteners.
Inspect the wiring harness for any signs of wear, corrosion, or loose connections.
If any issues are found, repair or replace the damaged wiring.

5. Reset Touchscreen

Tools Required: None
Hold down both scroll wheels on the steering wheel until the touchscreen turns off and reboots.
Wait for the system to restart and check if the flickering persists.