how to fix my Tesla Model S Plaid/Refresh (2021-present) that won't start at all?

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

1-2 hours

Time

medium

Difficulty

high

Severity

3 min read

542 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 starting issues in Tesla Model S Plaid (2021-present). Step-by-step guide with symptoms, diagnostic steps, and solutions.

Affected Component

Electrical

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Be cautious when working near the vehicle's battery; wear safety gloves and goggles if cleaning terminals.

Symptoms

•No power when attempting to start the vehicle
•No dashboard lights or sounds when the vehicle is turned on
•"Vehicle is powering up" message on the touchscreen (if applicable)
•Inability to engage gear selector
•Error messages related to battery or electrical systems
•Remote access to the vehicle via the mobile app is unresponsive

Diagnostic Steps

1
Check the vehicle's battery charge level using the Tesla app or dashboard.
2
Attempt a soft reset of the vehicle by holding down the scroll wheels on the steering wheel until the touchscreen reboots.
3
Inspect the vehicle's 12V battery for any signs of corrosion or damage; check connections for tightness.
4
Verify that the vehicle is in an area with adequate cellular signal to ensure remote diagnostics can be performed.
5
Use the Tesla app to check for any software update notifications or alerts about system status.
6
If available, connect a Tesla diagnostic tool to retrieve any error codes.

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

•Ensure that the vehicle is in a well-ventilated area, and the parking brake is engaged.

Parts Required

•Potential replacement for the 12V battery if determined to be faulty

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Symptoms

•No power when attempting to start the vehicle

•No dashboard lights or sounds when the vehicle is turned on

•"Vehicle is powering up" message on the touchscreen (if applicable)

•Inability to engage gear selector

•Error messages related to battery or electrical systems

•Remote access to the vehicle via the mobile app is unresponsive

Diagnostic Steps

1
Check the vehicle's battery charge level using the Tesla app or dashboard.
2
Attempt a soft reset of the vehicle by holding down the scroll wheels on the steering wheel until the touchscreen reboots.
3
Inspect the vehicle's 12V battery for any signs of corrosion or damage; check connections for tightness.
4
Verify that the vehicle is in an area with adequate cellular signal to ensure remote diagnostics can be performed.
5
Use the Tesla app to check for any software update notifications or alerts about system status.
6
If available, connect a Tesla diagnostic tool to retrieve any error codes.

Solution

1. Preparation

Tools Required: None specifically required for this step.
Ensure that the vehicle is in a well-ventilated area, and the parking brake is engaged.

2. Check and Charge 12V Battery

Sub-steps:
1. Open the front trunk (frunk) and locate the 12V battery.
2. Inspect the battery terminals for corrosion and clean them if necessary using a wire brush and a mixture of baking soda and water.
3. If the battery is low, use a portable jump starter or connect a charger to the 12V battery for a few minutes.
4. Attempt to start the vehicle again after charging.

3. Perform a Hard Reset

Sub-steps:
1. Disconnect the 12V battery for at least 10 minutes.
2. Reconnect the terminals ensuring a secure connection.
3. Try starting the vehicle again.

4. Update Software

Sub-steps:
1. If the vehicle powers up, check for software updates via the touchscreen.
2. Follow the prompts to download and install any available updates.

5. Contact Tesla Support

Sub-steps:
1. If the vehicle still does not start, contact Tesla Service via the mobile app or phone.
2. Provide them with any error codes or symptoms observed for further assistance.