my Tesla Model S Plaid 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

481 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 shock or short circuits.
•Ensure the vehicle is in a safe location and is not at risk of rolling while being worked on.

Symptoms

•Clicking noise when the start button is pressed
•Dashboard lights illuminate but engine does not turn over
•No response from the electric drive system
•Possible error messages on the display (e.g., 'Vehicle Unable to Start')
•Reduced battery range indicated on the display prior to failure

Diagnostic Steps

1
Check the 12V battery voltage using a multimeter; it should be above 12.4V.
2
Inspect the 12V battery connections for corrosion or loose terminals.
3
Verify the high-voltage battery status through the Tesla app or onboard display.
4
Examine the vehicle's energy consumption history for abnormalities prior to the failure.
5
Attempt to jump-start the vehicle using a portable jump starter.

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
•Trim removal tool

Parts Required

•New 12V battery (specific to Tesla Model S)

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Diagnostic Steps

1
Check the 12V battery voltage using a multimeter; it should be above 12.4V.
2
Inspect the 12V battery connections for corrosion or loose terminals.
3
Verify the high-voltage battery status through the Tesla app or onboard display.
4
Examine the vehicle's energy consumption history for abnormalities prior to the failure.
5
Attempt to jump-start the vehicle using a portable jump starter.

Solution

1. Preparation

Ensure the vehicle is in "Park" mode.
Gather necessary tools and parts (see below).
Disconnect the 12V battery before working on electrical systems.

2. Inspect and Replace 12V Battery

Remove the Frunk Liner:
- Use a trim removal tool to gently pry up the frunk liner clips.
- Set the liner aside.
Disconnect the 12V Battery:
- Use a socket set to remove the negative terminal first, followed by the positive terminal.
- Safely store the battery cables away from contact.
Remove the Old Battery:
- Unscrew any securing brackets holding the battery in place.
- Carefully lift out the old 12V battery.
Install the New Battery:
- Place the new 12V battery in the compartment.
- Secure it with brackets and screws.
Reconnect the Battery:
- Connect the positive terminal first, followed by the negative terminal.
- Ensure terminals are tight and free of corrosion.

3. Reset the Vehicle Systems

Power Cycle the Vehicle:
- With the new battery installed, close the frunk and wait for a few minutes.
- Press the brake pedal and attempt to start the vehicle.