my Tesla Outback's interior lights stay on, how do I turn them off?

Subaru Outback 5th Generation (2015-2019)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

538 words

Problem Statement

Learn how to diagnose and fix the issue of interior lights staying on in your 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 prevent short circuits.

Symptoms

•Interior lights continuously on
•Battery draining quicker than normal
•Possible warning lights related to battery or electrical system
•Dim or flickering lights when opening or closing doors
•Interior lights not responding to door closure

Diagnostic Steps

1
Check the vehicle's interior light switch to ensure it is set to the 'off' position.
2
Inspect the door switches to ensure they are functioning properly and not stuck in the 'open' position.
3
Use the vehicle's infotainment system to check for any settings related to interior lighting that may be configured incorrectly.
4
Scan for any error codes using the OBD-II scanner to identify potential electrical system issues.
5
Inspect for any recent modifications or repairs that may have affected the interior lighting system.

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
•Screwdriver set
•Multimeter

Parts Required

•Replacement door switch (if necessary)
•Replacement interior light switch (if necessary)

Related Faults

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Diagnostic Steps

1
Check the vehicle's interior light switch to ensure it is set to the 'off' position.
2
Inspect the door switches to ensure they are functioning properly and not stuck in the 'open' position.
3
Use the vehicle's infotainment system to check for any settings related to interior lighting that may be configured incorrectly.
4
Scan for any error codes using the OBD-II scanner to identify potential electrical system issues.
5
Inspect for any recent modifications or repairs that may have affected the interior lighting system.

Solution

1. Preparation

Gather necessary tools:
- OBD-II scanner
- Screwdriver set
- Multimeter
Ensure the vehicle is parked safely, and the ignition is turned off before proceeding.

2. Check Interior Light Switch

Locate the interior light switch, usually found on the overhead console.
Ensure the switch is set to the "off" position. If it is already in the "off" position, proceed to the next step.

3. Inspect Door Switches

Open each door and locate the door switch (usually found on the door frame).
Test the switch by manually pressing it down; it should click and activate the interior lights when released.
If a switch appears stuck or does not function, it may need cleaning or replacement.

4. Reset the Infotainment System

Start the vehicle and access the infotainment system.
Navigate to the settings menu and locate the “Lighting” section.
Reset the interior lighting settings to default and check if the lights turn off.

5. Check for Error Codes

Connect the OBD-II scanner to the vehicle’s diagnostic port.
Scan for error codes related to lighting or electrical systems.
Address any codes that indicate a fault in the interior lighting circuit.

6. Replace Faulty Components

If a door switch or the interior light switch is faulty, replace the component:
- Remove the faulty switch using a screwdriver.
- Install a new switch, ensuring it is properly connected.
- Test the new switch to confirm it resolves the issue.