my Tesla Model S Plaid/Refresh (2021-present) won't start and makes a clicking sound

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

1-2 hours

Time

medium

Difficulty

high

Severity

3 min read

510 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 a safe position to avoid rolling or movement during inspection.

Symptoms

•Clicking sound when attempting to start the vehicle
•Dashboard lights dim or flicker
•No response from the electric motor
•Battery Low warning displayed on the screen
•Inability to engage the gear selector
•Possible notifications related to battery management

Diagnostic Steps

1
Check the 12V battery level using the vehicle's onboard diagnostics.
2
Inspect the main battery pack for any visible damage or error messages.
3
Use the Tesla app or vehicle's touchscreen to check for software updates or alerts.
4
Examine the battery terminals for corrosion or loose connections.
5
Perform a reset of the vehicle by holding down the brake pedal and pressing the two scroll wheels on the steering wheel.
6
If accessible, test the battery management system for faults using appropriate diagnostic tools.

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

•Socket set
•Multimeter
•Vehicle diagnostic tool

Parts Required

•12V battery

Related Faults

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Diagnostic Steps

1
Check the 12V battery level using the vehicle's onboard diagnostics.
2
Inspect the main battery pack for any visible damage or error messages.
3
Use the Tesla app or vehicle's touchscreen to check for software updates or alerts.
4
Examine the battery terminals for corrosion or loose connections.
5
Perform a reset of the vehicle by holding down the brake pedal and pressing the two scroll wheels on the steering wheel.
6
If accessible, test the battery management system for faults using appropriate diagnostic tools.

Solution

1. Preparation

Ensure the vehicle is in a safe, level position.
Gather necessary tools and parts.
Disconnect the 12V battery for safety.
Tools Required: Socket set, multimeter, cleaning supplies.

2. Inspect and Clean Battery Connections

Remove the access panel to the 12V battery.
Using a socket set, disconnect the negative terminal first, followed by the positive terminal.
Inspect terminals for corrosion; clean with a mixture of baking soda and water if necessary.
Reconnect terminals (positive first, then negative) and ensure they are tight.

3. Test the 12V Battery

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 12.4 volts, charge the battery using an appropriate charger.

4. Reset the Vehicle

With the vehicle powered on, press and hold the brake pedal.
Simultaneously press and hold both scroll wheels on the steering wheel for about 10 seconds until the screen resets.
Release the buttons and wait for the system to reboot.

5. Check Battery Management System

If the problem persists, connect a diagnostic tool to check for any fault codes related to the battery management system.
Address any identified issues based on diagnostic codes.