how to troubleshoot 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

599 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 shock or shorts.

Symptoms

•Power window switches do not respond when pressed
•Windows remain in the closed or open position with no movement
•No sound from window motors when the switch is activated
•Possible error message on the vehicle's display related to window operation
•Other electrical components may be functioning normally

Diagnostic Steps

1
Check for any error messages on the vehicle’s touchscreen that may indicate a window system fault.
2
Inspect the vehicle’s fuse panel for blown fuses related to the power windows.
3
Use the Tesla mobile app or vehicle interface to perform a system reset (reboot).
4
Test the individual window switches to ensure they are functioning properly.
5
Inspect the wiring harness and connectors for any visible damage or disconnections.
6
Verify the battery voltage to ensure it is within operational limits.

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

•Fuse puller or needle-nose pliers
•Multimeter
•Torx screwdriver set

Parts Required

•Replacement fuses as needed
•Window switch (if faulty)
•Window motor (if faulty)

Related Faults

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Symptoms

•Power window switches do not respond when pressed

•Windows remain in the closed or open position with no movement

•No sound from window motors when the switch is activated

•Possible error message on the vehicle's display related to window operation

•Other electrical components may be functioning normally

Diagnostic Steps

1
Check for any error messages on the vehicle’s touchscreen that may indicate a window system fault.
2
Inspect the vehicle’s fuse panel for blown fuses related to the power windows.
3
Use the Tesla mobile app or vehicle interface to perform a system reset (reboot).
4
Test the individual window switches to ensure they are functioning properly.
5
Inspect the wiring harness and connectors for any visible damage or disconnections.
6
Verify the battery voltage to ensure it is within operational limits.

Solution

1. Preparation

Gather tools and parts required for the repair.
Ensure the vehicle is in a safe location with the parking brake engaged.
Disconnect the vehicle battery to prevent electrical shorts.

2. Inspect and Replace Fuses

Tools Required: Fuse puller or needle-nose pliers
Steps:
1. Locate the fuse box, which is typically found under the dashboard or in the front trunk.
2. Identify the fuse associated with the power windows (refer to the owner's manual for the exact location).
3. Using the fuse puller, remove the fuse and inspect it for continuity.
4. If the fuse is blown, replace it with a new fuse of the same amperage.
5. Reconnect the battery.

3. Reset Window Controls

Steps:
1. Reboot the vehicle’s system by holding down the two scroll wheels on the steering wheel until the screen goes black and the Tesla logo appears.
2. After rebooting, test the window switches again.

4. Inspect Switches and Wiring

Tools Required: Multimeter, Torx screwdriver set
Steps:
1. Remove the door panel using the Torx screwdriver to access the window switch assembly.
2. Disconnect the wiring harness from the switch and use a multimeter to test for continuity.
3. If the switch fails the test, replace it with a new one.
4. Inspect the wiring harness for any signs of wear or damage; repair or replace as necessary.

5. Test Window Motor Functionality

Tools Required: Multimeter, wiring diagram
Steps:
1. Still with the door panel removed, locate the window motor and check its electrical connections.
2. Using a multimeter, verify that power is reaching the motor when the switch is activated.
3. If there is power but the motor doesn’t operate, replace the window motor.