my Tesla Model S Plaid/Refresh (2021-present) won't start and just clicks, what should I do

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

1-2 hours

Time

medium

Difficulty

high

Severity

3 min read

522 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 no-start issue 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 vehicle from any charging stations before performing battery work.
•Always wear safety gloves and eye protection when handling the battery.

Symptoms

•Clicking sound when the start button is pressed
•No power to the vehicle's systems (lights, infotainment, etc.)
•Dashboard lights flickering or unresponsive
•Possible 'Battery Low' warning displayed on the dashboard
•Unable to engage vehicle into drive or reverse

Diagnostic Steps

1
Check the vehicle's battery state of charge using the Tesla app or onboard display.
2
Inspect the 12V battery for voltage (should be above 12.4 volts) using a multimeter.
3
Verify the main battery pack for any warning messages or alerts via the touchscreen.
4
Check for any recent software updates or errors logged in the vehicle's system.
5
Confirm that there are no obstructions or issues with the key fob (if applicable).

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
•Tesla mobile app
•12V battery charger

Parts Required

•New 12V battery

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Diagnostic Steps

1
Check the vehicle's battery state of charge using the Tesla app or onboard display.
2
Inspect the 12V battery for voltage (should be above 12.4 volts) using a multimeter.
3
Verify the main battery pack for any warning messages or alerts via the touchscreen.
4
Check for any recent software updates or errors logged in the vehicle's system.
5
Confirm that there are no obstructions or issues with the key fob (if applicable).

Solution

1. Preparation

Tools Required: Multimeter, Tesla mobile app
Ensure the vehicle is in a safe location and not obstructing any pathways.
Ensure all doors are closed securely.

2. Charge the 12V Battery

Access the Frunk:
- Open the frunk (front trunk) to gain access to the 12V battery.
Connect Battery Charger:
- Use a compatible 12V battery charger to connect to the battery terminals (positive to positive, negative to negative).
- Allow the battery to charge for at least 15-30 minutes.
Remove Charger:
- Disconnect the charger after the charging session is complete.

3. Reset the Vehicle Systems

Perform a Power Cycle:
- Press and hold both scroll wheels on the steering wheel until the touchscreen resets.
- Wait for the Tesla logo to appear, indicating a complete reset.

4. Replace the 12V Battery (if necessary)

Remove the Battery:
- Disconnect the negative terminal first, followed by the positive terminal.
- Unscrew any mounting clamps or brackets holding the battery in place.
Install the New Battery:
- Place the new 12V battery into the compartment.
- Connect the positive terminal first, followed by the negative terminal.
- Ensure all connections are tight and secure.