why does my Tesla Model S Original (2012-2020) dashboard go black randomly?

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

556 words

Problem Statement

Learn how to diagnose and fix the issue of a black dashboard in Tesla Model S (2012-2020). Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Electrical

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the 12V battery before working on electrical systems to prevent shock or short circuits.
•Allow the vehicle to cool before performing any repairs to avoid burns from hot components.

Symptoms

•Dashboard display goes completely black at random intervals
•Instrument cluster lights may flicker before going dark
•Touchscreen display remains functional or may also go black
•Occasional error messages related to power or display
•No response from buttons or controls on the dashboard when it goes black

Diagnostic Steps

1
Check for any software updates available through the Tesla interface.
2
Inspect the vehicle's 12V battery voltage to ensure it is within the normal range (approximately 12.6 to 13.0 volts).
3
Use a diagnostic tool to scan for any fault codes related to the dashboard or display system.
4
Inspect the wiring harness and connectors behind the dashboard for any signs of damage or loose connections.
5
Perform a reset of the touchscreen by holding down both scroll wheels on the steering wheel until the Tesla logo appears.

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

•Screwdriver set
•Diagnostic tool (for fault codes)
•Multimeter (for battery voltage check)

Parts Required

•Replacement wiring harness (if damaged)
•New 12V battery (if necessary)

Related Faults

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Symptoms

•Dashboard display goes completely black at random intervals

•Instrument cluster lights may flicker before going dark

•Touchscreen display remains functional or may also go black

•Occasional error messages related to power or display

•No response from buttons or controls on the dashboard when it goes black

Diagnostic Steps

1
Check for any software updates available through the Tesla interface.
2
Inspect the vehicle's 12V battery voltage to ensure it is within the normal range (approximately 12.6 to 13.0 volts).
3
Use a diagnostic tool to scan for any fault codes related to the dashboard or display system.
4
Inspect the wiring harness and connectors behind the dashboard for any signs of damage or loose connections.
5
Perform a reset of the touchscreen by holding down both scroll wheels on the steering wheel until the Tesla logo appears.

Solution

1. Preparation

Ensure the vehicle is parked and powered off.
Gather all necessary tools and replacement parts.
Disconnect the 12V battery to avoid any electrical hazards.

2. Inspect and Repair Wiring

Sub-step 1: Remove the dashboard panel by unscrewing any visible screws and gently prying it away from the frame.
Sub-step 2: Visually inspect the wiring harness and connectors for any breaks, corrosion, or loose connections.
Sub-step 3: Reconnect any loose connectors securely. If damage is found, replace the wiring harness with a new one.

3. Replace the 12V Battery (if necessary)

Sub-step 1: If the 12V battery voltage is below 12.6 volts, remove the old battery by disconnecting the negative terminal first, followed by the positive terminal.
Sub-step 2: Install the new 12V battery by connecting the positive terminal first, followed by the negative terminal.
Sub-step 3: Secure the battery in place and ensure all connections are tight.

4. Software Update

Sub-step 1: Reconnect the 12V battery and power on the vehicle.
Sub-step 2: Check the touchscreen for available software updates and follow the prompts to install any updates.

5. Reassemble Dashboard

Sub-step 1: Carefully reattach the dashboard panel by aligning it with the frame and securing it with screws.
Sub-step 2: Ensure all components are returned to their original positions and that there are no loose parts.

Tools Required:

Screwdriver set
Diagnostic tool (for fault codes)
Multimeter (for battery voltage check)

Parts Required:

Replacement wiring harness (if damaged)
New 12V battery (if necessary)

Estimated Repair Time: 2-4 hours

Safety Warnings:

Disconnect the 12V battery before working on electrical systems to prevent shock or short circuits.
Allow the vehicle to cool before performing any repairs to avoid burns from hot components.