why does my Tesla Model S Plaid/Refresh (2021-present) not start and just clicks?

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

1-2 hours

Time

medium

Difficulty

high

Severity

3 min read

490 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 starting issues 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

•Always wear safety gloves and goggles when working with batteries.
•Disconnect the battery before performing electrical work to avoid shocks or shorts.
•Allow the vehicle to cool down before inspecting electrical components.

Symptoms

•Clicking sound when starting the vehicle
•Instrument cluster displays dim or no lights
•No response from the vehicle when attempting to turn it on
•Possible error messages on the touchscreen (e.g., 'Battery Low' or 'Power Reduced')
•Unresponsive electronic features (e.g., windows, infotainment)

Diagnostic Steps

1
Check battery charge level using the touchscreen interface or mobile app.
2
Inspect the 12V battery voltage using a multimeter; it should be above 12.4V.
3
Verify the condition of the 12V battery terminals for corrosion or loose connections.
4
Attempt to jump-start the vehicle using a compatible jump starter.
5
Scan for any error codes using Tesla's diagnostic tools or mobile app.

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
•Jump starter
•Wire brush
•Wrench set

Parts Required

•New 12V battery (if necessary)

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Symptoms

•Clicking sound when starting the vehicle

•Instrument cluster displays dim or no lights

•No response from the vehicle when attempting to turn it on

•Possible error messages on the touchscreen (e.g., 'Battery Low' or 'Power Reduced')

•Unresponsive electronic features (e.g., windows, infotainment)

Diagnostic Steps

1
Check battery charge level using the touchscreen interface or mobile app.
2
Inspect the 12V battery voltage using a multimeter; it should be above 12.4V.
3
Verify the condition of the 12V battery terminals for corrosion or loose connections.
4
Attempt to jump-start the vehicle using a compatible jump starter.
5
Scan for any error codes using Tesla's diagnostic tools or mobile app.

Solution

1. Preparation

Gather tools: multimeter, socket set, and a jump starter.
Ensure the vehicle is in a safe area where it can remain stationary during repairs.
Disconnect the vehicle from charging before starting any work.

2. Check and Replace 12V Battery

Sub-steps:
1. Open the front trunk and locate the 12V battery.
2. Disconnect the negative terminal first, then the positive terminal.
3. Remove the old battery by unbolting it from its mount.
4. Install the new 12V battery, ensuring it is securely fastened.
5. Reconnect the positive terminal first, followed by the negative terminal.
Tools Required: Socket set
Safety Warnings: Always wear safety gloves and goggles when working with batteries.

3. Inspect and Clean Battery Connections

Sub-steps:
1. Use a wire brush to clean the battery terminals and cable connectors.
2. Ensure that the terminals are free from corrosion and make a tight fit when reconnected.
3. Recheck the connections to ensure they are secure and clean.
Tools Required: Wire brush, wrench set

4. Test with Jump Starter

Sub-steps:
1. Connect the jump starter clamps to the corresponding battery terminals (red to positive, black to negative).
2. Wait a few minutes for the jump starter to charge the battery.
3. Attempt to start the vehicle again.
Tools Required: Jump starter