why does my Tesla Model S Plaid dashboard flicker when driving

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

510 words

Problem Statement

Learn how to diagnose and fix dashboard flickering in Tesla Model S Plaid. 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 12V battery before working on electrical systems to prevent shock or short circuits.
•Allow the vehicle's components to cool down before handling to avoid burns.

Symptoms

•Dashboard display flickers intermittently
•Warning lights may illuminate unexpectedly
•Display freezes momentarily before resuming
•Touchscreen responsiveness may be delayed
•Possible loss of audio or navigation functions

Diagnostic Steps

1
Inspect the vehicle's software version and verify if it is up to date.
2
Check the vehicle's 12V battery health and voltage using a multimeter.
3
Run a diagnostic scan using Tesla's onboard diagnostics to check for error codes.
4
Inspect wiring harnesses and connectors related to the dashboard display for any signs of damage or loose connections.
5
Reset the touchscreen by holding down the two scroll wheels on the steering wheel until the screen reboots.

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
•Basic hand tools
•Trim removal tool

Parts Required

•Replacement 12V battery
•New connectors or wiring harness

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Inspect the vehicle's software version and verify if it is up to date.
2
Check the vehicle's 12V battery health and voltage using a multimeter.
3
Run a diagnostic scan using Tesla's onboard diagnostics to check for error codes.
4
Inspect wiring harnesses and connectors related to the dashboard display for any signs of damage or loose connections.
5
Reset the touchscreen by holding down the two scroll wheels on the steering wheel until the screen reboots.

Solution

1. Preparation

Ensure the vehicle is parked in a safe location and powered off.
Gather necessary tools: multimeter, OBD-II scanner, and basic hand tools.

2. Update Software

Connect the vehicle to Wi-Fi.
Go to the 'Software' menu in the settings and check for any available updates.
Follow on-screen instructions to install updates if available.

3. Check 12V Battery

Tools Required: Multimeter
Sub-steps:
1. Open the frunk and locate the 12V battery.
2. Use a multimeter to measure the voltage; it should be between 12.4V and 12.6V.
3. If the voltage is below this range, consider replacing the battery.

4. Inspect Wiring and Connectors

Tools Required: Basic hand tools
Sub-steps:
1. Remove the dashboard cover carefully using a trim removal tool.
2. Inspect all wiring harnesses and connectors for corrosion, damage, or loose connections.
3. Reconnect any loose connectors securely and ensure that no wires are pinched or frayed.

5. Reset Touchscreen

In the driver's seat, press and hold the two scroll wheels on the steering wheel simultaneously for about 10 seconds until the screen reboots.
Wait for the system to restart and check if the flickering persists.