why is my Tesla Model S Plaid/Refresh (2021-present) making a clicking noise when starting

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

1-2 hours

Time

medium

Difficulty

high

Severity

3 min read

517 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 clicking noise when starting your 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 vehicle's main battery before performing repairs to avoid electric shock

Symptoms

•Clicking noise when attempting to start the vehicle
•Possible dashboard warning lights illuminated
•Vehicle does not start or cranks slowly
•Unresponsive power accessories
•Battery drain may occur after multiple attempts to start

Diagnostic Steps

1
Check battery condition using a multimeter to measure battery voltage
2
Inspect battery connections to ensure terminals are clean and tightly connected
3
Scan for error codes using an OBD-II scanner
4
Examine the 12V battery to confirm it is functioning properly
5
Test the starter motor and its connections for functionality
6
Inspect fuses and relays associated with the starting system for any signs of failure

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
•OBD-II scanner
•Socket set
•Torque wrench

Parts Required

•New 12V battery
•New starter motor

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Diagnostic Steps

1
Check battery condition using a multimeter to measure battery voltage
2
Inspect battery connections to ensure terminals are clean and tightly connected
3
Scan for error codes using an OBD-II scanner
4
Examine the 12V battery to confirm it is functioning properly
5
Test the starter motor and its connections for functionality
6
Inspect fuses and relays associated with the starting system for any signs of failure

Solution

1. Preparation

Tools Required: Multimeter, OBD-II scanner, socket set, torque wrench.
Safety Warnings: Disconnect the vehicle's main battery before performing repairs to avoid electric shock.

2. Battery Replacement (if necessary)

Disconnect Battery:
- Open the trunk and locate the high-voltage battery disconnect switch.
- Disconnect the negative terminal of the 12V battery.
Remove the Old Battery:
- Unscrew and remove any securing brackets.
- Disconnect the positive terminal followed by the negative terminal.
- Carefully lift the old battery out of its compartment.
Install New Battery:
- Place the new 12V battery in the compartment.
- Connect the positive terminal first, followed by the negative terminal.
- Secure the battery with brackets and screws.

3. Starter Motor Replacement (if necessary)

Access Starter Motor:
- Remove any components obstructing access to the starter motor (may require removal of underbody panels).
Disconnect Wiring:
- Label and disconnect the electrical connectors from the starter motor.
Remove Starter:
- Unscrew the bolts securing the starter motor using a socket set.
- Remove the starter from its mount.
Install New Starter:
- Position the new starter motor in place and secure with bolts.
- Reconnect the electrical connectors, ensuring they are tight and secure.