my Tesla Outback's wipers don’t turn off, how to fix this

Subaru Outback 6th Generation (2020-2024)

Error Codes

1-3 hours

Time

medium

Difficulty

medium

Severity

3 min read

467 words

Problem Statement

Learn how to diagnose and fix windshield wipers that won't turn off in Tesla Outback. Step-by-step guide with diagnostic procedures 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 systems to prevent shocks.
•Allow the vehicle to cool down before inspecting components.

Symptoms

•Windshield wipers running continuously
•Wiper control stalk unresponsive
•Possible error message on the dashboard
•Wipers may change speed erratically
•No response to wiper settings on the touchscreen

Diagnostic Steps

1
Inspect the wiper control stalk for physical damage or obstruction.
2
Check the vehicle's settings in the infotainment system to ensure wiper settings are correctly configured.
3
Scan the vehicle's computer with an OBD-II scanner to check for any error codes related to the wiper system.
4
Perform a soft reset of the vehicle’s software by rebooting the infotainment system.
5
Inspect the wiper relay and fuse for signs of failure or damage.

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
•Screwdriver set
•Socket set

Parts Required

•Wiper relay
•Wiper control stalk (if replacement is necessary)

Related Faults

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Diagnostic Steps

1
Inspect the wiper control stalk for physical damage or obstruction.
2
Check the vehicle's settings in the infotainment system to ensure wiper settings are correctly configured.
3
Scan the vehicle's computer with an OBD-II scanner to check for any error codes related to the wiper system.
4
Perform a soft reset of the vehicle’s software by rebooting the infotainment system.
5
Inspect the wiper relay and fuse for signs of failure or damage.

Solution

1. Preparation

Gather tools and parts needed for the repair.
Ensure the vehicle is parked on a level surface and the ignition is turned off.
Disconnect the battery to prevent electrical shorts during repairs.

2. Inspect and Replace Wiper Relay

Locate the fuse box in the vehicle (refer to the owner's manual for exact location).
Remove the cover and identify the wiper relay.
Using a multimeter, test the relay for continuity.
- If faulty, replace the relay with a new one.
- Ensure the new relay matches the specifications outlined in the owner’s manual.

3. Check and Replace Wiper Control Stalk (if necessary)

Remove the steering column cover to access the wiper control stalk.
Disconnect the wiring harness from the control stalk.
Test the stalk using a multimeter to verify it is functioning correctly.
- If defective, replace the wiper control stalk with a new component.
Reconnect the wiring harness and reassemble the steering column cover.

4. Verify System Functionality

Reconnect the vehicle battery.
Start the vehicle and test the wiper functions to ensure they operate correctly.
Monitor for any error messages on the dashboard.