how to fix the Tesla Model 3 Original (2017-2023) screen that keeps going blank

Tesla Model 3 Highland (2024-present)

Error Codes

1-3 hours

Time

medium

Difficulty

medium

Severity

3 min read

519 words

Problem Statement

Learn how to diagnose and fix the blank screen issue in Tesla Model 3 (2017-2023). 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 12V battery before working on electrical connections to prevent short circuits.

Symptoms

•Touchscreen display turns off and remains blank
•Occasional flickering of the screen before going blank
•No response to touch inputs
•Error messages related to display or software may appear
•Loss of access to vehicle functions controlled via the touchscreen

Diagnostic Steps

1
Check for any software updates available through the vehicle settings.
2
Perform a soft reboot of the touchscreen by holding down both scroll wheels on the steering wheel until the screen reboots.
3
Inspect the vehicle's 12V battery voltage; low voltage can cause electrical issues.
4
Examine the touchscreen connection and wiring for any visible damage or loose connections.
5
Connect the vehicle to a diagnostic tool to check for error codes related to the display.

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
•OBD-II scanner
•Trim removal tools
•Screwdriver set

Parts Required

•Replacement 12V battery
•Wiring harness

Related Faults

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Diagnostic Steps

1
Check for any software updates available through the vehicle settings.
2
Perform a soft reboot of the touchscreen by holding down both scroll wheels on the steering wheel until the screen reboots.
3
Inspect the vehicle's 12V battery voltage; low voltage can cause electrical issues.
4
Examine the touchscreen connection and wiring for any visible damage or loose connections.
5
Connect the vehicle to a diagnostic tool to check for error codes related to the display.

Solution

1. Software Update

Step 1: Access the vehicle menu and navigate to 'Software.'
Step 2: Check for available updates and follow the on-screen prompts to install any updates.
Step 3: Restart the vehicle after the update to ensure changes take effect.

2. Soft Reboot

Step 1: Locate the scroll wheels on the steering wheel.
Step 2: Press and hold both scroll wheels simultaneously for about 10 seconds.
Step 3: Wait for the screen to reboot and check if the display returns to normal functionality.

3. Inspect Battery Voltage

Step 1: Open the front trunk (frunk) and locate the 12V battery.
Step 2: Use a multimeter to measure the voltage; it should be around 12.6 volts when fully charged.
Step 3: If the voltage is low, consider charging or replacing the 12V battery.

4. Check Connections

Step 1: Remove the center console trim to access the wiring behind the touchscreen.
Step 2: Disconnect and reconnect the display connector to ensure a secure connection.
Step 3: Inspect the wiring for any signs of wear or damage; replace if necessary.

5. Diagnostic Tool Check

Step 1: Connect an OBD-II scanner to the vehicle's diagnostic port.
Step 2: Scan for any error codes related to the display system.
Step 3: Document any codes and research solutions based on the specific error codes found.