how to fix my Tesla Model S Plaid/Refresh (2021-present) that won’t start and just clicks

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

1-2 hours

Time

medium

Difficulty

high

Severity

3 min read

514 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 shocks or short circuits

Symptoms

•Clicking sound when the start button is pressed
•Dashboard lights illuminate but engine does not start
•No power to accessory systems (radio, lights)
•Possible 'Battery Low' warning displayed
•Reduced range indication prior to the failure

Diagnostic Steps

1
Check Battery Charge Level using the vehicle's touchscreen
2
Inspect 12V Battery voltage with a multimeter
3
Test Battery Connections for corrosion or loose connections
4
Scan for Error Codes using a suitable OBD-II scanner
5
Inspect High-Voltage Battery state using the vehicle’s diagnostics
6
Check Fuses for the starting system in the fuse box

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
•OBD-II scanner
•Torque wrench

Parts Required

•New 12V battery (ensure it meets OEM specifications)

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Diagnostic Steps

1
Check Battery Charge Level using the vehicle's touchscreen
2
Inspect 12V Battery voltage with a multimeter
3
Test Battery Connections for corrosion or loose connections
4
Scan for Error Codes using a suitable OBD-II scanner
5
Inspect High-Voltage Battery state using the vehicle’s diagnostics
6
Check Fuses for the starting system in the fuse box

Solution

1. Preparation

Tools Required: Multimeter, socket set, OBD-II scanner, torque wrench.
Safety Warnings: Disconnect the 12V battery before working on electrical systems to prevent shocks or short circuits.

2. Replace 12V Battery

Remove the Frunk Liner:
- Unscrew the fasteners securing the frunk liner.
- Gently pull the liner away to expose the battery.
Disconnect the Battery:
- Use a socket set to remove the negative terminal first, followed by the positive terminal.
- Ensure no metal tools bridge the terminals.
Remove the Old Battery:
- Loosen the battery hold-down bracket using the socket set.
- Carefully lift the battery out, ensuring not to damage any surrounding components.
Install the New Battery:
- Place the new 12V battery in the bracket and secure it with the hold-down.
- Connect the positive terminal first, followed by the negative terminal.
Reinstall the Frunk Liner:
- Replace the frunk liner and secure it with the fasteners removed earlier.

3. Charge High-Voltage Battery (if needed)

If the vehicle battery is low, connect the vehicle to a Level 2 charger and allow it to charge for at least 30 minutes before attempting to start again.