my Tesla Model S Plaid/Refresh (2021-present) won't start and just clicks what to do

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

1-2 hours

Time

medium

Difficulty

high

Severity

3 min read

546 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 main battery before working on electrical systems.
•Allow the vehicle to sit for a few minutes before inspecting electrical components to avoid shock.

Symptoms

•Clicking noise when the start button is pressed
•Dashboard lights illuminate but engine does not start
•Possible loss of electrical accessories functionality
•No response from the vehicle when attempting to engage the gear
•Battery warning message on the display (if applicable)

Diagnostic Steps

1
Check the key fob battery to ensure it is functioning properly.
2
Inspect the 12V battery voltage using a multimeter; it should be above 12.4V.
3
Verify that the vehicle is in 'Park' mode.
4
Check for any error messages on the touchscreen display.
5
Inspect the main battery connections for looseness or corrosion.

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
•Wrench set
•Battery terminal cleaning brush
•Battery charger

Parts Required

•New 12V battery
•Battery terminal grease

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Diagnostic Steps

1
Check the key fob battery to ensure it is functioning properly.
2
Inspect the 12V battery voltage using a multimeter; it should be above 12.4V.
3
Verify that the vehicle is in 'Park' mode.
4
Check for any error messages on the touchscreen display.
5
Inspect the main battery connections for looseness or corrosion.

Solution

1. Preparation

Gather all necessary tools and parts.
Ensure the vehicle is parked on a level surface and the parking brake is engaged.
Disconnect the main battery before proceeding with any electrical work.

2. Inspect the 12V Battery

Sub-steps:
- Locate the 12V battery, typically found under the front trunk.
- Use a multimeter to measure the voltage. If below 12.4V, consider charging or replacing it.
- If charging, connect a compatible charger to the battery and allow it to charge fully.

3. Check Battery Connections

Sub-steps:
- Remove the cover (if applicable) to access the 12V battery terminals.
- Inspect the positive and negative terminals for corrosion or looseness.
- Clean any corrosion with a mixture of baking soda and water, and ensure terminals are tightly secured.

4. Replace the 12V Battery (if necessary)

Sub-steps:
- Disconnect the negative terminal first, followed by the positive terminal.
- Remove the battery hold-down bracket and carefully lift out the old battery.
- Install the new 12V battery in reverse order: place it in the compartment, secure it with the bracket, and connect the positive terminal first, then the negative.

5. Reconnect Main Battery

Sub-steps:
- Reconnect the main battery following the manufacturer’s guidelines.
- Ensure all connections are secure and there are no exposed wires.

6. System Reset

Sub-steps:
- Press and hold the brake pedal and then press the start button to reset the vehicle’s systems.
- Observe the touchscreen for any further prompts or error messages.