how to fix Tesla Model 3 Original (2017-2023) issues with the wipers not working

Tesla Model 3 Highland (2024-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

551 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 windshield wipers not working on Tesla Model 3 (2017-2023). 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

•Ensure the vehicle is powered off before starting work.
•Disconnect the 12V battery to prevent electrical shock.

Symptoms

•Windshield wipers do not activate when switched on
•Wipers do not respond to intermittent or speed settings
•No noise or movement from the wiper assembly
•Wiper control stalk appears unresponsive
•Error messages related to wiper functionality on the display

Diagnostic Steps

1
Inspect the wiper control stalk for physical damage or obstruction.
2
Check the fuse for the wiper system using the Tesla's service manual for the correct fuse location.
3
Use the Tesla service menu to run a wiper self-test and verify if the system is functioning.
4
Scan the vehicle for error codes using a compatible OBD-II scanner to identify any electronic issues.
5
Inspect the wiper motor wiring harness for signs of damage or corrosion.
6
Measure voltage at the wiper motor connector with a multimeter to ensure power is being supplied.

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 socket set
•Torx screwdriver set

Parts Required

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

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Diagnostic Steps

1
Inspect the wiper control stalk for physical damage or obstruction.
2
Check the fuse for the wiper system using the Tesla's service manual for the correct fuse location.
3
Use the Tesla service menu to run a wiper self-test and verify if the system is functioning.
4
Scan the vehicle for error codes using a compatible OBD-II scanner to identify any electronic issues.
5
Inspect the wiper motor wiring harness for signs of damage or corrosion.
6
Measure voltage at the wiper motor connector with a multimeter to ensure power is being supplied.

Solution

1. Preparation

Tools Required:
- OBD-II scanner
- Multimeter
- Basic socket set
- Torx screwdriver set
Safety Warnings:
- Ensure the vehicle is powered off before starting work.
- Disconnect the 12V battery to prevent electrical shock.

2. Replace Wiper Fuse

Locate the fuse box: Refer to the owner's manual for the location of the wiper fuse.
Remove the fuse panel cover carefully.
Use a fuse puller or needle-nose pliers to remove the wiper fuse.
Inspect the fuse for continuity; if blown, replace it with a fuse of the same amperage (typically 30A).
Reinstall the fuse panel cover.

3. Inspect and Replace Wiper Motor

Remove the wiper arms: Use a Torx screwdriver to remove the securing nuts, then lift the wiper arms off the splines.
Access the wiper motor: Remove the plastic cover from the cowl area to expose the wiper motor assembly.
Disconnect the wiring harness from the wiper motor.
Unbolt the wiper motor from its mounting bracket using the socket set.
Install the new wiper motor by reversing the removal process.
Reattach the wiring harness and ensure connections are secure.

4. Reassemble Components

Reinstall the plastic cover over the wiper motor.
Reattach the wiper arms, ensuring they are correctly aligned on the splines.
Tighten the securing nuts to the manufacturer's specified torque.