my Tesla Outback 6th Generation (2020-2024) headlights won't turn off, what to do?

Subaru Outback 6th Generation (2020-2024)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

506 words

Problem Statement

Learn how to diagnose and fix headlights that won't turn off in a 2020-2024 Tesla Outback. 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 avoid short circuits.

Symptoms

•Headlights continuously on, even after the engine is off
•Dashboard warning lights may illuminate
•Battery drainage issues due to prolonged headlight use
•Inability to operate the headlight switch effectively
•Possible malfunction of automatic headlight feature

Diagnostic Steps

1
Check the headlight switch position to ensure it is in the 'off' position.
2
Inspect the vehicle settings on the infotainment system to see if automatic headlights are enabled.
3
Use an OBD-II scanner to check for any error codes related to the lighting system.
4
Inspect the headlight relay for any signs of malfunction or sticking.
5
Check the battery voltage to ensure it is within normal operating range.
6
Review the vehicle's software version for any available updates that may address lighting issues.

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

•Flathead screwdriver
•Relay tester or multimeter
•OBD-II scanner

Parts Required

•Headlight relay (if faulty)
•Electrical contact cleaner (if needed)

Related Faults

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Diagnostic Steps

1
Check the headlight switch position to ensure it is in the 'off' position.
2
Inspect the vehicle settings on the infotainment system to see if automatic headlights are enabled.
3
Use an OBD-II scanner to check for any error codes related to the lighting system.
4
Inspect the headlight relay for any signs of malfunction or sticking.
5
Check the battery voltage to ensure it is within normal operating range.
6
Review the vehicle's software version for any available updates that may address lighting issues.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface with the engine off.
Disconnect the negative terminal of the battery for safety.

2. Inspect Headlight Switch

Tools Required: Flathead screwdriver
Remove the headlight switch panel using the screwdriver.
Inspect the switch for any physical damage or debris.
If necessary, clean the switch contacts with electrical cleaner.
Reassemble the switch panel and reconnect the battery.

3. Check Headlight Relay

Tools Required: Relay tester or multimeter
Locate the headlight relay in the fuse box (consult owner's manual for location).
Remove the relay and test it for continuity using the relay tester or multimeter.
If the relay is faulty, replace it with a new one of the same specifications.
Reinstall the relay and reconnect the battery.

4. Reset Vehicle Software

Tools Required: OBD-II scanner
Use the OBD-II scanner to connect to the vehicle's diagnostic port.
Access the lighting control module and perform a reset of the software settings.
Follow prompts on the scanner to complete the reset.

5. Verify Functionality

Tools Required: None
Reconnect the battery's negative terminal.
Start the vehicle and check if the headlights operate correctly.
Test the headlight switch in all settings (off, on, automatic).