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

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

488 words

Problem Statement

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

Affected Component

Electrical

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical components to avoid shocks or shorts.

Symptoms

•Power window switches do not respond when pressed
•Windows do not move up or down
•Window control panel lights are not illuminating
•No audible sound from window motors when attempting to operate
•Other windows may still function normally

Diagnostic Steps

1
Check the vehicle's 12V battery voltage to ensure it is charged and in good condition.
2
Verify if the child lock feature is activated, which could prevent window operation.
3
Inspect the window switch for physical damage or debris obstructing its function.
4
Use an OBD-II scanner to check for any error codes related to the window system.
5
Test the window motor operation by applying direct power to the motor connector.
6
Inspect the wiring harness and connectors for any signs of damage or corrosion.

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

•Trim removal tool
•Multimeter
•Screwdriver set
•Electrical cleaner
•Soldering iron

Parts Required

•Window switch (if faulty)
•Window motor (if faulty)

Related Faults

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Diagnostic Steps

1
Check the vehicle's 12V battery voltage to ensure it is charged and in good condition.
2
Verify if the child lock feature is activated, which could prevent window operation.
3
Inspect the window switch for physical damage or debris obstructing its function.
4
Use an OBD-II scanner to check for any error codes related to the window system.
5
Test the window motor operation by applying direct power to the motor connector.
6
Inspect the wiring harness and connectors for any signs of damage or corrosion.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a flat surface and the ignition is off.
Disconnect the vehicle's 12V battery to avoid electrical shorts.

2. Inspect and Replace the Window Switch

Sub-steps:
1. Remove the door panel using a trim removal tool to access the window switch.
2. Disconnect the window switch connector from the harness.
3. Test the switch with a multimeter to check for continuity.
4. If faulty, replace the switch with a new one.
5. Reconnect the switch and reassemble the door panel.

3. Test the Window Motor

Sub-steps:
1. Remove the door panel to access the window motor.
2. Disconnect the motor connector.
3. Apply direct battery voltage (12V) to the motor terminals to test operation.
4. If the motor does not operate, replace it with a new motor.
5. Reinstall the motor and reconnect the wiring harness.

4. Inspect Wiring and Connectors

Sub-steps:
1. Visually inspect the wiring harness for frays or breaks.
2. Clean any corrosion from the connectors using electrical cleaner.
3. Repair any damaged wires using solder or butt connectors.
4. Ensure all connectors are firmly reattached.