my Tesla Model S Plaid/Refresh (2021-present) won't start, just clicks, what does this mean

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

1-2 hours

Time

medium

Difficulty

high

Severity

3 min read

416 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 connections.

Symptoms

•Clicking noise when the start button is pressed
•Dashboard lights illuminate but engine does not turn over
•No response from the electric motor
•Possible 'Battery Low' warning message
•Potential issues with accessories not functioning properly

Diagnostic Steps

1
Check the battery charge level via the vehicle's display or mobile app.
2
Inspect the 12V battery for any signs of corrosion or damage.
3
Use a multimeter to measure the voltage of the 12V battery; ensure it is above 12.4 volts.
4
Verify the connections at the 12V battery for tightness and corrosion.
5
Scan the vehicle for any error codes using Tesla's diagnostic tools or an OBD-II scanner.

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
•Cleaning brush

Parts Required

•Replacement 12V battery compatible with Tesla Model S

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Diagnostic Steps

1
Check the battery charge level via the vehicle's display or mobile app.
2
Inspect the 12V battery for any signs of corrosion or damage.
3
Use a multimeter to measure the voltage of the 12V battery; ensure it is above 12.4 volts.
4
Verify the connections at the 12V battery for tightness and corrosion.
5
Scan the vehicle for any error codes using Tesla's diagnostic tools or an OBD-II scanner.

Solution

1. Preparation

Ensure the vehicle is in a safe, well-ventilated area.
Disconnect the vehicle from any charging source.
Gather necessary tools and parts.

2. Inspect and Test the 12V Battery

Tools Required: Multimeter, socket set, cleaning brush
Using the multimeter, check the voltage of the 12V battery.
- If the voltage is below 12.4 volts, proceed to replace the battery.
- If the battery is above 12.4 volts, check the connections.

3. Clean and Secure Battery Connections

Disconnect the negative terminal first, then the positive terminal from the 12V battery.
Clean the terminals and battery posts using a cleaning brush to remove corrosion.
Reconnect the positive terminal first, then the negative terminal, ensuring a secure fit.

4. Replace the 12V Battery (if necessary)

Parts Required: Replacement 12V battery compatible with Tesla Model S
Remove the battery cover and disconnect the battery as previously described.
Install the new battery, ensuring it is properly secured.
Reattach the battery cover.