why is my Tesla Model S Plaid/Refresh (2021-present) not starting and just clicking

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

1-2 hours

Time

medium

Difficulty

high

Severity

3 min read

487 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 12V battery before working on electrical systems.
•Ensure the vehicle is in park mode before attempting to start.

Symptoms

•No engine crank; only a clicking sound heard
•Dashboard lights illuminating briefly
•Battery charge level appears adequate
•Possible alerts or notifications on the touchscreen
•Accessory systems (radio, lights) may function intermittently

Diagnostic Steps

1
Check the 12V battery voltage using a multimeter.
2
Inspect the main battery connection for tightness and corrosion.
3
Use the Tesla app to check for any alerts or faults.
4
Ensure that the vehicle is in park mode.
5
Attempt a soft reset of the vehicle by holding down the scroll wheels on the steering wheel.
6
Verify that there are no obstructions to the electrical connectors.

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
•Wrench set

Parts Required

•New 12V battery compatible with Tesla Model S

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Diagnostic Steps

1
Check the 12V battery voltage using a multimeter.
2
Inspect the main battery connection for tightness and corrosion.
3
Use the Tesla app to check for any alerts or faults.
4
Ensure that the vehicle is in park mode.
5
Attempt a soft reset of the vehicle by holding down the scroll wheels on the steering wheel.
6
Verify that there are no obstructions to the electrical connectors.

Solution

1. Preparation

Gather necessary tools and parts before starting the repair.
Ensure the vehicle is in a safe location.
Disconnect the 12V battery for safety.

2. Inspect and Test the 12V Battery

Sub-steps:
1. Remove the rear trunk cover to access the 12V battery.
2. Disconnect the negative terminal of the 12V battery.
3. Use a multimeter to measure the voltage; a healthy battery should read around 12.6V or higher.
4. If the voltage is below 12.4V, replace the battery.
Tools Required: Multimeter, socket set.

3. Check Main Battery Connection

Sub-steps:
1. Inspect the main battery connections for any loose or corroded terminals.
2. Tighten any loose connections.
3. Clean any corrosion with a battery terminal cleaner or a mixture of baking soda and water.
Tools Required: Wrench set, terminal cleaner.

4. Replace the 12V Battery (if necessary)

Sub-steps:
1. Remove the old 12V battery from the compartment.
2. Install the new 12V battery in the reverse order of removal.
3. Reconnect the negative terminal first, followed by the positive terminal.
4. Ensure all connections are tight.
Parts Required: New 12V battery compatible with Tesla Model S.

5. Reconnect and Test

Sub-steps:
1. Reconnect the 12V battery and cover the compartment.
2. Attempt to start the vehicle.
3. Monitor for any abnormal sounds or dashboard notifications.
Safety Warnings: Ensure the vehicle is in park mode before attempting to start.