my Tesla Model S Plaid/Refresh (2021-present) won't start, just clicks, what can I do?

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

1-2 hours

Time

medium

Difficulty

high

Severity

3 min read

520 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

•Always disconnect the negative terminal first when working on the battery to prevent short circuits.
•Allow all electrical systems to power down before servicing the vehicle.

Symptoms

•Clicking noise heard when turning the key or pressing the start button
•Dashboard lights may illuminate but the vehicle does not crank
•No sound from the electric drive unit
•Potential 'Low Battery' warning on the screen
•Inability to connect to the vehicle remotely via the Tesla app

Diagnostic Steps

1
Ensure the vehicle is in 'Park' mode and attempt to start again.
2
Check the battery charge level through the Tesla app or vehicle display.
3
Inspect the 12V battery health using the vehicle's onboard diagnostics.
4
Verify the status of the main high-voltage battery using the vehicle display.
5
Check for any error messages or alerts on the dashboard that may indicate issues.
6
Attempt a soft reset of the vehicle by holding down the steering wheel buttons until the display resets.

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

•OBD-II scanner
•Multimeter
•Battery charger
•Socket set

Parts Required

•Replacement 12V battery

Related Faults

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Diagnostic Steps

1
Ensure the vehicle is in 'Park' mode and attempt to start again.
2
Check the battery charge level through the Tesla app or vehicle display.
3
Inspect the 12V battery health using the vehicle's onboard diagnostics.
4
Verify the status of the main high-voltage battery using the vehicle display.
5
Check for any error messages or alerts on the dashboard that may indicate issues.
6
Attempt a soft reset of the vehicle by holding down the steering wheel buttons until the display resets.

Solution

1. Preparation

Gather tools: OBD-II scanner (for diagnostics), multimeter (for checking battery voltage).
Ensure the vehicle is in a safe area and is in "Park".

2. Check 12V Battery

Open the front trunk (frunk) to access the 12V battery.
Use a multimeter to measure the voltage of the 12V battery; it should be above 12.4 volts.
If the voltage is low, proceed to recharge or replace the 12V battery.

3. Recharge or Replace 12V Battery

If recharging:

Connect a compatible battery charger to the terminals.
Allow the battery to charge fully, monitoring the process.
Once charged, attempt to start the vehicle again.

If replacing:

Disconnect the negative terminal first, followed by the positive terminal.
Remove the old battery and replace it with a new 12V battery (ensure it matches specifications).
Reconnect the positive terminal first, then the negative terminal.
Close the frunk and attempt to start the vehicle.

4. High-Voltage Battery Check

If the vehicle still does not start, check the high-voltage battery status through the display.
If the battery is depleted or has fault codes, connect to a Tesla service technician or roadside assistance for further diagnosis.