how to fix Tesla Model S Original (2012-2020) that won't charge

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

1-2 hours

Time

medium

Difficulty

high

Severity

3 min read

597 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 charging issues in Tesla Model S (2012-2020). 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 power from the vehicle before performing repairs on the charging system.
•Allow the vehicle’s electrical systems to discharge before inspecting components.

Symptoms

•Charging port indicator light remains off
•No charging sounds or clicks when connecting charger
•Charging screen shows 'Not Charging' or similar message
•Battery percentage does not increase when plugged in
•Error messages displayed on the vehicle’s screen related to charging

Diagnostic Steps

1
Inspect the charging cable and connector for damage or debris.
2
Check the charging station functionality by testing with another vehicle.
3
Verify the vehicle's software version and check for any available updates.
4
Inspect the charging port for any obstructions or damage.
5
Run a diagnostic using the Tesla mobile app to check for error codes related to the charging system.
6
Check the vehicle’s battery state of health using the Tesla service menu.

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

•Socket set
•Multimeter
•OBD-II scanner
•Cleaning supplies

Parts Required

•Replacement charging cable (if found faulty)
•Replacement wall connector (if found faulty)

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Diagnostic Steps

1
Inspect the charging cable and connector for damage or debris.
2
Check the charging station functionality by testing with another vehicle.
3
Verify the vehicle's software version and check for any available updates.
4
Inspect the charging port for any obstructions or damage.
5
Run a diagnostic using the Tesla mobile app to check for error codes related to the charging system.
6
Check the vehicle’s battery state of health using the Tesla service menu.

Solution

1. Preparation

Gather tools and parts required for the repair.
Ensure the vehicle is parked on a flat surface and in "Park" mode.
Disconnect any power from the vehicle before starting repairs.
Tools Required: Socket set, multimeter, OBD-II scanner, cleaning supplies.

2. Inspect and Clean Charging Port

Step 1: Open the charging port by pressing the button on the charging cable or using the vehicle's touchscreen.
Step 2: Visually inspect the charging port for debris, dirt, or damage.
Step 3: Use a soft cloth or compressed air to clean the port and ensure a good connection.
Step 4: Check for any bent pins or obstructions in the port that may need to be bent back or removed.

3. Check Charging Cable and Wall Connector

Step 1: Inspect the charging cable for any visible damage or fraying.
Step 2: Test the wall connector with another compatible Tesla vehicle to ensure it is functioning correctly.
Step 3: If the wall connector is faulty, replace it with a new one.

4. Update Software

Step 1: Connect the vehicle to Wi-Fi.
Step 2: Navigate to the software update section in the vehicle’s settings.
Step 3: If an update is available, follow the prompts to install it, which may fix charging-related software issues.

5. Reset Vehicle Systems

Step 1: Perform a soft reset by holding down the scroll wheels on the steering wheel until the screen turns off and then back on.
Step 2: After reset, attempt to charge the vehicle again.

6. Consult Tesla Service

If the above steps do not resolve the issue, contact Tesla service for further diagnostics or to schedule a service appointment.