my Tesla Model S Plaid 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

488 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 prevent shorts.
•Allow the vehicle to sit for a minimum of 15 minutes before reconnecting the battery to avoid any electrical surges.

Symptoms

•Clicking noise when the start button is pressed
•Dashboard lights illuminating without engine turnover
•Possible warning messages on the display
•Reduced battery range displayed
•Inability to engage the vehicle into drive or reverse

Diagnostic Steps

1
Check the 12V battery voltage using a multimeter to ensure it is above 12.4 volts.
2
Inspect the 12V battery terminals for corrosion or loose connections.
3
Verify the main battery pack's state of charge via the Tesla app or vehicle display.
4
Attempt to reset the vehicle by holding down the scroll wheels on the steering wheel until the screen reboots.
5
Use Tesla's service mode to check for any error codes related to starting or battery issues.

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
•Wire brush or battery terminal cleaner
•Cleaning cloth

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 to ensure it is above 12.4 volts.
2
Inspect the 12V battery terminals for corrosion or loose connections.
3
Verify the main battery pack's state of charge via the Tesla app or vehicle display.
4
Attempt to reset the vehicle by holding down the scroll wheels on the steering wheel until the screen reboots.
5
Use Tesla's service mode to check for any error codes related to starting or battery issues.

Solution

1. Preparation

Gather necessary tools: multimeter, socket set, and cleaning supplies.
Ensure the vehicle is in a safe, well-ventilated area.

2. Inspect and Replace 12V Battery

Tools Required: Socket set, multimeter
Sub-steps:
1. Open the front trunk (frunk) and locate the 12V battery.
2. Disconnect the negative terminal first, followed by the positive terminal.
3. Remove the battery hold-down bracket using the socket set.
4. Carefully lift out the old battery.
5. Install the new 12V battery, ensuring the positive terminal is connected first.
6. Reattach the negative terminal and secure the hold-down bracket.

3. Clean Battery Terminals

Tools Required: Wire brush or battery terminal cleaner, cleaning cloth
Sub-steps:
1. Inspect the terminals for corrosion. If present, use a wire brush or battery terminal cleaner to clean the terminals.
2. Wipe down with a clean cloth and ensure connections are tight.

4. System Reset

Tools Required: None
Sub-steps:
1. Press and hold both scroll wheels on the steering wheel until the display screen turns off and reboots.
2. Wait for the system to restart and check if the vehicle starts.