how to fix my Tesla Model S Plaid/Refresh (2021-present) when the wipers won't turn off

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

473 words

Problem Statement

Learn how to fix the windshield wipers that won't turn off on your Tesla Model S Plaid. Step-by-step guide with diagnostic steps and repair instructions.

Affected Component

Electrical

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure the vehicle is in park and the ignition is off before working on electrical systems.
•Be cautious of sharp edges when accessing the fuse box.

Symptoms

•Wipers running continuously
•Wiper control stalk unresponsive
•Wiper settings not changing on the touchscreen
•Dashboard error message related to wipers
•Possible erratic wiper speed adjustment

Diagnostic Steps

1
Check for any software updates available for the vehicle through the touchscreen interface.
2
Perform a hard reset of the vehicle by holding down the steering wheel scroll buttons until the screen resets.
3
Inspect the wiper relay in the fuse box for any signs of damage or failure.
4
Use the touchscreen to access the wiper settings and ensure they are not set to automatic operation.
5
Scan the vehicle’s computer system for any error codes using a compatible OBD-II scanner.

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
•Flathead screwdriver
•Socket set

Parts Required

•Wiper relay (if faulty)

Related Faults

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Diagnostic Steps

1
Check for any software updates available for the vehicle through the touchscreen interface.
2
Perform a hard reset of the vehicle by holding down the steering wheel scroll buttons until the screen resets.
3
Inspect the wiper relay in the fuse box for any signs of damage or failure.
4
Use the touchscreen to access the wiper settings and ensure they are not set to automatic operation.
5
Scan the vehicle’s computer system for any error codes using a compatible OBD-II scanner.

Solution

1. Preparation

Tools Required:
- OBD-II scanner
- Flathead screwdriver
- Socket set
Ensure the vehicle is parked on a flat surface and the ignition is off.

2. Access the Fuse Box

Locate the fuse box; refer to the owner’s manual for the specific location.
Remove the cover of the fuse box using a flathead screwdriver if necessary.

3. Inspect the Wiper Relay

Identify the wiper relay using the diagram located on the inside of the fuse box cover.
Remove the wiper relay by gently pulling it out of the socket.
Inspect for any signs of burning or corrosion. If damaged, replace it with a new relay.

4. Reassemble the Fuse Box

Insert the new relay back into the correct socket.
Replace the fuse box cover securely.

5. Reset the Wiper System

Turn the vehicle on and navigate to the wiper settings on the touchscreen.
Set the wipers to the off position and then cycle through the settings to ensure they respond correctly.

6. Perform a System Check

Use the OBD-II scanner to check for any lingering codes related to the wiper system and clear them if necessary.