why does my Tesla Model S Original (2012-2020) display not turning on

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

1-2 hours

Time

medium

Difficulty

high

Severity

4 min read

604 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to diagnose and fix the display not turning on in Tesla Model S (2012-2020). 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

•Ensure the vehicle is parked safely and the ignition is off
•Disconnect the negative terminal of the 12V battery before servicing to prevent electrical shock
•Ensure the vehicle is not in motion during the reboot process

Symptoms

•Touchscreen is completely black with no response
•Instrument cluster is not illuminated
•No sound or feedback from the system
•Vehicle functions (e.g., climate control) may be inaccessible
•Error messages related to the display may appear upon rebooting the system

Diagnostic Steps

1
Check the vehicle's 12V battery voltage using a multimeter to ensure it is within normal limits (12.4V to 12.8V)
2
Perform a soft reset of the display by holding down both scroll wheels on the steering wheel until the Tesla logo appears
3
Inspect the fuses related to the display system in the fuse box for any blown fuses
4
Connect a diagnostic tool to check for any fault codes related to the display or infotainment system
5
Verify that the main battery pack is functioning correctly and showing adequate charge

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
•Diagnostic tool
•Fuse puller
•Socket set
•Flashlight

Parts Required

•12V battery (if replacement is needed)
•Replacement fuses (if any are blown)

Related Faults

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Diagnostic Steps

1
Check the vehicle's 12V battery voltage using a multimeter to ensure it is within normal limits (12.4V to 12.8V)
2
Perform a soft reset of the display by holding down both scroll wheels on the steering wheel until the Tesla logo appears
3
Inspect the fuses related to the display system in the fuse box for any blown fuses
4
Connect a diagnostic tool to check for any fault codes related to the display or infotainment system
5
Verify that the main battery pack is functioning correctly and showing adequate charge

Solution

1. Preparation

Gather necessary tools: multimeter, diagnostic tool, fuse puller, and a flashlight.
Ensure the vehicle is parked safely and the ignition is off.

2. Check and Replace 12V Battery

Sub-steps:
1. Open the front trunk and locate the 12V battery.
2. Use the multimeter to check the voltage. If it is below 12.4V, replace the battery.
3. Disconnect the negative terminal first, followed by the positive terminal.
4. Remove the old battery and install the new one, connecting the positive terminal first and then the negative.
Tools Required: Multimeter, socket set.

3. Inspect and Replace Fuses

Sub-steps:
1. Locate the fuse box (usually found under the dashboard or in the trunk).
2. Identify the fuses related to the display system (refer to the owner's manual for specific fuse numbers).
3. Remove the fuses using a fuse puller and inspect them for continuity.
4. Replace any blown fuses with new fuses of the same amperage.
Tools Required: Fuse puller, replacement fuses.

4. Reboot the System

Sub-steps:
1. With the vehicle in 'Park', hold down both scroll wheels on the steering wheel simultaneously.
2. Wait for the Tesla logo to appear, indicating the system is rebooting.
3. Release the scroll wheels once the logo is visible and wait for the display to restart.
Safety Warnings: Ensure the vehicle is not in motion during this process.

5. Diagnostic Check

Sub-steps:
1. Connect the diagnostic tool to the vehicle’s OBD-II port.
2. Scan for any error codes related to the display or infotainment system.
3. Address any codes that indicate malfunctioning components or connections.
Tools Required: Diagnostic tool.