why does my Tesla Outback's dashboard display go black intermittently

Subaru Outback 5th Generation (2015-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

445 words

Problem Statement

Learn how to diagnose and fix intermittent blackouts of the dashboard display in Tesla Outback. 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 battery before working on electrical systems to avoid short circuits.

Symptoms

•Dashboard display turns black without warning
•Inconsistent functionality of touchscreen controls
•Warning lights may still be visible during blackouts
•Occasional flickering before turning black
•No response from the display after restarting the vehicle

Diagnostic Steps

1
Check for software updates through the vehicle's settings menu.
2
Perform a hard reset of the vehicle's electrical system by holding down the brake and pressing the two scroll wheels on the steering wheel.
3
Inspect the vehicle’s battery voltage to ensure it’s within normal operating range.
4
Examine the wiring harness and connectors behind the dashboard for loose connections or signs of wear.
5
Use a diagnostic tool to scan for any error codes related to the display or electrical system.
6
Review the vehicle's history for any previous incidents of display issues.

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

•Trim removal tool
•Screwdriver set
•Diagnostic tool (OBD-II scanner)

Parts Required

•Replacement display module (if needed)

Related Faults

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Diagnostic Steps

1
Check for software updates through the vehicle's settings menu.
2
Perform a hard reset of the vehicle's electrical system by holding down the brake and pressing the two scroll wheels on the steering wheel.
3
Inspect the vehicle’s battery voltage to ensure it’s within normal operating range.
4
Examine the wiring harness and connectors behind the dashboard for loose connections or signs of wear.
5
Use a diagnostic tool to scan for any error codes related to the display or electrical system.
6
Review the vehicle's history for any previous incidents of display issues.

Solution

1. Preparation

Gather tools and materials needed.
Disconnect the vehicle's 12V battery to ensure safety.

2. Update Software

Reconnect the battery.
Navigate to the settings menu and check for software updates.
If updates are available, download and install them as per the on-screen instructions.

3. Inspect and Secure Connections

Remove the dashboard panel using a trim removal tool.
Inspect the wiring harness and connectors for any signs of damage or loose connections.
Secure all connectors and repair any damaged wires with electrical tape or replace as necessary.

4. Replace Display Module (if necessary)

If the display continues to malfunction after updates and securing connections:
- Disconnect the battery again.
- Remove the dashboard display unit by unscrewing the mounting screws.
- Disconnect the wiring harness from the back of the display.
- Install the new display module by reversing the removal process.

5. Reassemble and Test

Reconnect the vehicle's battery.
Reassemble the dashboard panel and ensure all screws are tightened.
Test the display to ensure it functions properly.