how to fix Tesla Model S Original (2012-2020) wipers not working

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

1-2 hours

Time

medium

Difficulty

high

Severity

3 min read

557 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 wipers not working on 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 the battery before working on electrical components to prevent shock.

Symptoms

•Wipers do not activate when switched on
•No noise from wiper motor
•Wiper control stalk appears unresponsive
•Error message on the dashboard related to wipers
•Wipers stuck in one position

Diagnostic Steps

1
Check the wiper fuse in the fuse box for continuity.
2
Use an OBD-II scanner to check for any error codes related to the wiper system.
3
Inspect the wiper motor connection for corrosion or loose wiring.
4
Test the wiper switch operation with a multimeter to ensure it is functioning correctly.
5
Verify the wiper linkage for any physical damage or disconnection.
6
Check the windshield washer fluid level, as some systems may disable wipers if fluid is low.

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
•Socket set
•Fuse puller or needle-nose pliers
•Torque wrench

Parts Required

•Wiper motor (if faulty)
•Wiper fuse (if blown)

Related Faults

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Diagnostic Steps

1
Check the wiper fuse in the fuse box for continuity.
2
Use an OBD-II scanner to check for any error codes related to the wiper system.
3
Inspect the wiper motor connection for corrosion or loose wiring.
4
Test the wiper switch operation with a multimeter to ensure it is functioning correctly.
5
Verify the wiper linkage for any physical damage or disconnection.
6
Check the windshield washer fluid level, as some systems may disable wipers if fluid is low.

Solution

1. Preparation

Gather tools and parts required for the repair.
Ensure the vehicle is parked on a flat surface and the ignition is turned off.
Disconnect the 12V battery to prevent electrical shock.

2. Check and Replace Wiper Fuse

Tools Required: Fuse puller or needle-nose pliers
Locate the fuse box (usually under the dashboard).
Identify the wiper fuse using the diagram on the lid of the fuse box.
Pull the fuse and inspect it for continuity; replace it with a new fuse of the same amperage if it is blown.

3. Inspect and Test the Wiper Motor

Tools Required: Multimeter, socket set
Reconnect the battery and access the wiper motor located under the windshield cowl.
Disconnect the electrical connector from the wiper motor.
Use a multimeter to test for voltage at the motor connector while operating the wiper switch.
- If there is voltage, the motor may be faulty; replace the wiper motor.
- If no voltage is detected, further investigate the wiring and the wiper switch.

4. Replace Wiper Motor (if necessary)

Tools Required: Socket set, torque wrench
Remove the wiper arms by loosening the nuts at the base of the arms and lifting them off.
Remove the screws securing the wiper motor to the mounting bracket.
Disconnect the motor wiring harness.
Install the new wiper motor by reversing the removal steps, ensuring all connections are secure.

5. Reassemble and Test

Reinstall the wiper arms in the correct position and tighten the nuts to the manufacturer's torque specifications (usually around 15-20 Nm).
Reconnect the battery and test the wipers to verify correct operation.