my Tesla Model S Plaid/Refresh (2021-present) won't start, 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

506 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 to prevent shock.
•Allow the vehicle to sit for a few minutes before reconnecting the battery after a jump-start.

Symptoms

•Clicking sound when the start button is pressed
•Dashboard lights flicker or dim
•No engine cranking or turnover
•Possible 'Low Battery' warning on the display
•Vehicle not responding to remote start commands

Diagnostic Steps

1
Check the 12V battery voltage using a multimeter to ensure it is above 12.4 volts.
2
Inspect the 12V battery connections for corrosion or looseness.
3
Verify the state of the main battery pack through the Tesla app or vehicle display.
4
Attempt to jump-start the vehicle using a portable jump starter or connecting to another vehicle.
5
Check for any error messages or logs using the Tesla onboard diagnostics.

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
•Jumper cables
•Portable jump starter
•Socket set

Parts Required

•Replacement 12V battery

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Diagnostic Steps

1
Check the 12V battery voltage using a multimeter to ensure it is above 12.4 volts.
2
Inspect the 12V battery connections for corrosion or looseness.
3
Verify the state of the main battery pack through the Tesla app or vehicle display.
4
Attempt to jump-start the vehicle using a portable jump starter or connecting to another vehicle.
5
Check for any error messages or logs using the Tesla onboard diagnostics.

Solution

1. Preparation

Gather necessary tools: multimeter, jumper cables or portable jump starter.
Ensure the vehicle is in "Park" and the parking brake is engaged.

2. Check 12V Battery

Sub-step 1: Open the front trunk and locate the 12V battery.
Sub-step 2: Use a multimeter to measure the voltage (should read above 12.4V).
Sub-step 3: If the voltage is low, proceed to jump-start the vehicle or replace the battery.

3. Jump-start the Vehicle

Sub-step 1: If using jumper cables, connect the positive terminal of the 12V battery to the positive terminal of the donor vehicle's battery.
Sub-step 2: Connect the negative terminal of the donor vehicle to a suitable ground point on the Tesla (not the battery).
Sub-step 3: Start the donor vehicle and let it run for a few minutes before attempting to start the Tesla.
Sub-step 4: If using a portable jump starter, connect it to the 12V battery as per the manufacturer's instructions and attempt to start the Tesla.

4. Inspect and Replace 12V Battery (if necessary)

Sub-step 1: Disconnect the negative terminal first, followed by the positive terminal.
Sub-step 2: Remove the battery hold-down bracket and take out the old battery.
Sub-step 3: Install the new 12V battery (ensure it’s the correct type) and reconnect the terminals, positive first, then negative.
Sub-step 4: Verify all connections are secure and attempt to start the vehicle.