my Tesla Outback 5th Generation (2015-2019) wipers won’t turn off what to check

Subaru Outback 5th Generation (2015-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

529 words

Problem Statement

Learn how to diagnose and fix windshield wipers that won't turn off on a 2015-2019 Tesla Outback. 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 shock or short circuits.

Symptoms

•Wipers continuously operate regardless of switch position
•Wiper control stalk does not respond to commands
•Possible warning lights on the dashboard related to wiper system
•Intermittent wiper function may be erratic or non-functional
•Electrical noises from the wiper motor area

Diagnostic Steps

1
Inspect the wiper control stalk for physical damage or wear.
2
Use an OBD-II scanner to check for error codes related to the wiper system.
3
Examine fuses related to the windshield wipers in the fuse box.
4
Test the wiper motor for proper operation using a multimeter.
5
Check the wiring harness for shorts or disconnections.
6
Inspect the Body Control Module (BCM) for software updates or faults.

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
•Torx screwdriver set
•Trim removal tool

Parts Required

•Wiper control stalk (if faulty)
•Wiper motor (if faulty)

Related Faults

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Diagnostic Steps

1
Inspect the wiper control stalk for physical damage or wear.
2
Use an OBD-II scanner to check for error codes related to the wiper system.
3
Examine fuses related to the windshield wipers in the fuse box.
4
Test the wiper motor for proper operation using a multimeter.
5
Check the wiring harness for shorts or disconnections.
6
Inspect the Body Control Module (BCM) for software updates or faults.

Solution

1. Preparation

Gather necessary tools and parts for repair.
Disconnect the battery to prevent electrical shorts or shocks.
Ensure the vehicle is in a safe, stable position with the wiper blades in the park position.

2. Inspect and Replace Wiper Control Stalk

Tools Required: Torx screwdriver set, trim removal tool
Sub-steps:
1. Remove the steering column cover using a Torx screwdriver.
2. Disconnect the wiring harness from the wiper control stalk.
3. Remove the screws securing the stalk in place.
4. Install the new wiper control stalk and reconnect the wiring harness.
5. Reassemble the steering column cover.

3. Check and Replace Wiper Motor

Tools Required: Socket set, multimeter, wiring diagrams
Sub-steps:
1. Locate the wiper motor under the hood (usually near the cowl).
2. Disconnect the electrical connector from the wiper motor.
3. Use a multimeter to test for voltage at the motor connector when the wiper switch is activated.
4. If no voltage is present, trace the wiring back to the BCM.
5. If voltage is present, replace the wiper motor by removing the mounting bolts and disconnecting the wiper linkage.
6. Install the new motor and reattach the linkage, ensuring it is correctly aligned.

4. Reset or Reprogram BCM

Tools Required: OBD-II scanner with programming capability
Sub-steps:
1. Reconnect the battery.
2. Use the OBD-II scanner to access the BCM settings.
3. Follow the scanner instructions to reset or reprogram the BCM.
4. Test the wiper function to ensure proper operation.