why does my Tesla Model Y Current (2020-present) dashboard turn off while driving

Tesla Model Y Current (2020-present)

Error Codes

1-2 hours

Time

medium

Difficulty

high

Severity

3 min read

565 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 dashboard turning off issue in Tesla Model Y (2020-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 main battery before performing any electrical repairs to avoid shock.

Symptoms

•Dashboard display goes blank or turns off during operation
•Loss of instrument panel functionality (speedometer, battery status, etc.)
•Occasional flickering or dimming of the display prior to complete shutdown
•Warning messages may appear before the dashboard turns off
•Affected touchscreen controls that may become unresponsive or laggy

Diagnostic Steps

1
Check for any software updates available for the vehicle through the Tesla app or vehicle settings.
2
Inspect the vehicle's 12V battery voltage using a multimeter; a reading below 12.4V may indicate a weak battery.
3
Perform a hard reset of the infotainment system by pressing and holding down both scroll wheels on the steering wheel until the screen reboots.
4
Review vehicle logs and error codes using the Tesla app to identify any specific issues or malfunctions.
5
Inspect wiring and connections related to the dashboard display for loose or damaged components.
6
Confirm that the vehicle's battery management system is functioning correctly by monitoring for any overheating or abnormal battery behavior.

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

•OBD-II scanner
•Multimeter
•Socket set
•Torque wrench

Parts Required

•Replacement 12V battery (if found to be faulty)

Related Faults

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Symptoms

•Dashboard display goes blank or turns off during operation

•Loss of instrument panel functionality (speedometer, battery status, etc.)

•Occasional flickering or dimming of the display prior to complete shutdown

•Warning messages may appear before the dashboard turns off

•Affected touchscreen controls that may become unresponsive or laggy

Diagnostic Steps

1
Check for any software updates available for the vehicle through the Tesla app or vehicle settings.
2
Inspect the vehicle's 12V battery voltage using a multimeter; a reading below 12.4V may indicate a weak battery.
3
Perform a hard reset of the infotainment system by pressing and holding down both scroll wheels on the steering wheel until the screen reboots.
4
Review vehicle logs and error codes using the Tesla app to identify any specific issues or malfunctions.
5
Inspect wiring and connections related to the dashboard display for loose or damaged components.
6
Confirm that the vehicle's battery management system is functioning correctly by monitoring for any overheating or abnormal battery behavior.

Solution

1. Software Update

Sub-steps:
- Connect the vehicle to Wi-Fi.
- Navigate to 'Software' in the settings menu.
- Download and install any available updates.

2. 12V Battery Replacement

Tools Required:
- Socket set
- Torque wrench
Sub-steps:
- Preparation: Ensure the vehicle is parked safely. Disconnect the main battery to prevent electrical shock.
- Remove Battery Cover: Use a socket set to remove the bolts securing the battery cover.
- Disconnect Old Battery: Remove the negative terminal first, followed by the positive terminal.
- Install New Battery: Connect the new 12V battery, starting with the positive terminal, followed by the negative terminal.
- Reattach Battery Cover: Secure the battery cover back in place using the torque wrench to specified values (typically around 8-10 Nm).

3. Reboot Infotainment System

Sub-steps:
- While the vehicle is in 'Park', press and hold both scroll wheels on the steering wheel for about 10 seconds until the screen goes black and reboots.

4. Wiring Inspection

Sub-steps:
- Visual Inspection: Check all wiring harnesses connected to the dashboard for any visible damage or disconnection.
- Reconnect Loose Connections: Firmly reattach any loose connections or connectors.

5. Monitor Battery Management System

Sub-steps:
- Use the Tesla app to monitor battery health and temperature.
- If overheating is detected, contact Tesla service for further diagnostics on the battery management system.