my Tesla Model S Plaid/Refresh (2021-present) 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

554 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

•Handle the battery with care; wear gloves and safety goggles to prevent acid exposure.
•Ensure to disconnect the 12V battery before working on electrical systems to avoid shock.

Symptoms

•Clicking noise when attempting to start the vehicle
•Dashboard lights and displays may illuminate but no engine start
•Possible loss of power to auxiliary systems
•Unresponsive key fob or mobile app
•Battery indicator shows low charge or no charge

Diagnostic Steps

1
Check the 12V battery voltage using a multimeter; it should be above 12.4 volts for optimal performance.
2
Inspect the main battery pack for any alerts or warnings displayed on the vehicle’s screen.
3
Verify if the vehicle can be unlocked and started using the mobile app; this may indicate a key fob issue.
4
Examine the vehicle’s fuses related to the starting system for any blown fuses.
5
Connect a diagnostic tool to check for any error codes related to the battery management system or starting 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

•Socket set
•Multimeter
•Battery terminal cleaner
•Flashlight
•Diagnostic tool (OBD-II scanner compatible with Tesla)

Parts Required

•New 12V battery (specific to Tesla Model S)
•Battery cleaning solution (if required)

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Diagnostic Steps

1
Check the 12V battery voltage using a multimeter; it should be above 12.4 volts for optimal performance.
2
Inspect the main battery pack for any alerts or warnings displayed on the vehicle’s screen.
3
Verify if the vehicle can be unlocked and started using the mobile app; this may indicate a key fob issue.
4
Examine the vehicle’s fuses related to the starting system for any blown fuses.
5
Connect a diagnostic tool to check for any error codes related to the battery management system or starting issues.

Solution

1. Preparation

Ensure the vehicle is in a safe location with enough space around it.
Gather necessary tools and parts before starting the repair.

2. Inspect and Replace 12V Battery

Sub-steps:
1. Open the trunk and locate the 12V battery compartment.
2. Disconnect the negative terminal first, followed by the positive terminal to avoid any short circuit.
3. Remove the old 12V battery by unscrewing any mounting brackets.
4. Install the new 12V battery: connect the positive terminal first, followed by the negative terminal.
5. Secure the battery in place with the mounting hardware.
Tools Required: Socket set, multimeter, battery terminal cleaner.
Safety Warnings: Handle the battery with care; wear gloves and safety goggles to prevent acid exposure.

3. Verify Main Battery Pack and Connections

Sub-steps:
1. Inspect the high-voltage battery connectors for corrosion or loose connections.
2. Ensure that the battery pack is properly seated and that there are no visible damages.
3. If issues are found, consult with a Tesla service center for proper handling and repair.
Tools Required: Socket set for battery connectors, flashlight for inspection.

4. Reset Vehicle Systems

Sub-steps:
1. Perform a soft reset of the vehicle by holding down both scroll wheels on the steering wheel until the screen reboots.
2. Allow the vehicle a moment to reboot and then attempt to start again.
Tools Required: None.