my Tesla Model S Plaid/Refresh (2021-present) won't start, 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

538 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 symptoms, diagnostic steps, 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 avoid short circuits.
•Allow the vehicle to cool down before inspecting electrical components.

Symptoms

•Clicking noise when the start button is pressed
•No engine turnover or cranking
•Dashboard lights may illuminate briefly
•Possible alerts on the touchscreen indicating low battery or charging issues
•Inability to engage Drive or Reverse gears

Diagnostic Steps

1
Check the 12V battery voltage using a multimeter.
2
Inspect the 12V battery terminals for corrosion and ensure they are securely connected.
3
Verify the state of the main battery pack using the Tesla app or vehicle settings.
4
Perform a reset of the vehicle by holding the brake pedal and pressing the scroll wheels on the steering wheel.
5
Inspect for any error messages or alerts displayed on the touchscreen.
6
Look for signs of water ingress or damage in the vehicle's electrical components.

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
•Socket set
•Jump cables
•Wire brush or battery cleaner

Parts Required

•12V battery

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Diagnostic Steps

1
Check the 12V battery voltage using a multimeter.
2
Inspect the 12V battery terminals for corrosion and ensure they are securely connected.
3
Verify the state of the main battery pack using the Tesla app or vehicle settings.
4
Perform a reset of the vehicle by holding the brake pedal and pressing the scroll wheels on the steering wheel.
5
Inspect for any error messages or alerts displayed on the touchscreen.
6
Look for signs of water ingress or damage in the vehicle's electrical components.

Solution

1. Preparation

Gather tools and ensure the vehicle is parked in a safe location.
Ensure the vehicle is in "Park" mode.

2. Inspect the 12V Battery

Tools Required: Multimeter, socket set
Use a multimeter to measure the voltage of the 12V battery. It should read around 12.6 volts when fully charged.
If the voltage is below 12 volts, the battery may need to be replaced.

3. Clean and Secure Battery Connections

Tools Required: Socket set, wire brush or battery cleaner
Disconnect the negative terminal first, followed by the positive terminal.
Clean the terminals with a wire brush to remove any corrosion.
Reconnect the positive terminal first, then the negative terminal, ensuring they are tight.

4. Jump Start the Vehicle (if necessary)

Tools Required: Jump cables, a functioning vehicle or portable jump starter
Connect the jump cables: positive to positive and negative to a grounded point on the vehicle.
Attempt to start the Tesla. If successful, let the vehicle run for a period to charge the battery.

5. Reset the Vehicle

Hold the brake pedal down and press both scroll wheels on the steering wheel until the touchscreen reboots.
Wait for the Tesla logo to appear, then release the buttons and attempt to start the vehicle again.