how to troubleshoot my Tesla Model S Original (2012-2020) power windows not working

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

1-3 hours

Time

medium

Difficulty

medium

Severity

3 min read

551 words

Problem Statement

Learn how to troubleshoot and fix power windows not working in Tesla Model S (2012-2020). Step-by-step guide with diagnostic steps and repair instructions.

Affected Component

Electrical

Estimated Time

1-3 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical components to prevent short circuits.

Symptoms

•No response when pressing window control switches
•Windows stuck in the open or closed position
•Warning message on the display regarding window malfunction
•Unusual noises when attempting to operate the windows
•Windows operate intermittently or only partially

Diagnostic Steps

1
Check the vehicle's touchscreen for any software alerts related to the power windows.
2
Inspect the window control switches for physical damage or stuck conditions.
3
Verify the battery voltage using the vehicle's diagnostics to ensure adequate power supply.
4
Perform a reset of the vehicle by powering it off and then back on.
5
Check the fuses associated with the power windows in the fuse box.
6
Use a multimeter to test the window motor for continuity and voltage.

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
•Basic hand tools (screwdrivers, socket set)

Parts Required

•Window motor (if found faulty)
•Replacement fuse (if blown)

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Diagnostic Steps

1
Check the vehicle's touchscreen for any software alerts related to the power windows.
2
Inspect the window control switches for physical damage or stuck conditions.
3
Verify the battery voltage using the vehicle's diagnostics to ensure adequate power supply.
4
Perform a reset of the vehicle by powering it off and then back on.
5
Check the fuses associated with the power windows in the fuse box.
6
Use a multimeter to test the window motor for continuity and voltage.

Solution

1. Preparation

Tools Required: OBD-II scanner, multimeter, basic hand tools (screwdrivers, socket set).
Ensure the vehicle is in "Park" and the ignition is off.

2. Inspect and Replace Fuses

Locate the fuse box, typically found under the dashboard or in the trunk.
Remove the panel covering the fuse box.
Identify the power window fuse (refer to the owner's manual for specific location).
Use a fuse puller or needle-nose pliers to remove the fuse and inspect it.
- If blown: Replace with a fuse of the same amperage (usually 15A or 20A).
Reassemble the fuse box cover.

3. Reset the Window Control System

With the vehicle powered on, hold the window switch in the "up" position for 5 seconds.
Release the switch, then press it down for another 5 seconds.
Repeat this process for each non-functioning window.

4. Check and Replace Window Motors (if necessary)

Remove the door panel to access the window motor:
- Use a screwdriver to remove screws securing the door panel.
- Carefully pop the panel off, ensuring not to damage clips.
Disconnect the window motor connector.
Use a multimeter to test the motor for voltage when the window switch is activated.
If no voltage is present, check wiring for damage; repair as necessary.
If the motor is faulty, remove the motor from the regulator:
- Remove the mounting bolts and disconnect the motor.
- Replace with a new motor and reassemble.

5. Reassemble Components

Reattach the door panel securely, ensuring all clips and screws are in place.
Test the windows again to confirm functionality.