why is my Tesla Model S Plaid/Refresh (2021-present) dashboard lights blinking

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

498 words

Problem Statement

Learn how to diagnose and fix dashboard lights blinking 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 connections to avoid shorts.

Symptoms

•Dashboard lights flickering or blinking
•Possible warning messages appearing on the screen
•Disruption in the functionality of dashboard displays
•Intermittent loss of power to other electrical components
•Occasional system reboots or freezes

Diagnostic Steps

1
Check for any visible signs of electrical issues, such as frayed wires or loose connections in the dashboard area.
2
Use the vehicle's touchscreen to access the 'Software' section and check for any pending updates.
3
Perform a soft reset of the vehicle by holding down both scroll wheels on the steering wheel until the screen resets.
4
Scan the vehicle for error codes using the Tesla diagnostic tool or mobile app.
5
Inspect the 12V battery voltage and connections, ensuring they are secure and the battery is charged.

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

•Tesla diagnostic tool
•Multimeter

Parts Required

•12V battery

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Check for any visible signs of electrical issues, such as frayed wires or loose connections in the dashboard area.
2
Use the vehicle's touchscreen to access the 'Software' section and check for any pending updates.
3
Perform a soft reset of the vehicle by holding down both scroll wheels on the steering wheel until the screen resets.
4
Scan the vehicle for error codes using the Tesla diagnostic tool or mobile app.
5
Inspect the 12V battery voltage and connections, ensuring they are secure and the battery is charged.

Solution

1. Preparation

Gather necessary tools: Tesla diagnostic tool (if available) and a multimeter.
Ensure the vehicle is parked on a flat surface with the parking brake engaged.

2. Update Software

Navigate to the touchscreen menu.
Select "Software" and check for any available updates.
Follow the prompts to install updates, if any are available.
Restart the vehicle after the update is complete.

3. Inspect and Test 12V Battery

Using a multimeter, check the voltage of the 12V battery. It should read approximately 12.6 volts when fully charged.
If the voltage is low, consider replacing the 12V battery.
Inspect battery terminals for corrosion or loose connections and clean or tighten as necessary.

4. Clear Error Codes

Connect the Tesla diagnostic tool or use the mobile app to scan for error codes.
Document any codes that appear and refer to Tesla's service documentation for troubleshooting specific codes.
Clear the codes and monitor the dashboard lights for any recurrence.

5. Reconnect Dashboard Connections

If accessible, disconnect and reconnect any wiring harnesses related to the dashboard.
Ensure all connections are secure and free of corrosion.