why are the tail lights not working on my Tesla Outback 5th Generation (2015-2019)

Subaru Outback 5th Generation (2015-2019)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

490 words

Problem Statement

Learn how to diagnose and fix tail light issues on Tesla Outback 5th Generation (2015-2019). Step-by-step guide with symptoms, diagnostic steps, 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 shocks.

Symptoms

•Tail lights do not illuminate when headlights are turned on
•Brake lights are also non-functional
•Turn signals may not operate correctly
•Dashboard warning light for exterior lights may be illuminated
•No audible clicking sound when turn signals are activated

Diagnostic Steps

1
Inspect the tail light bulbs for any signs of damage or burnout.
2
Check the tail light fuse in the fuse box for continuity.
3
Use an OBD-II scanner to check for any trouble codes related to the lighting system.
4
Verify the operation of the headlight switch and related wiring.
5
Inspect the wiring harness for any visible damage or corrosion.

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
•Fuse puller

Parts Required

•Tail light bulbs (specific to model)
•Tail light fuse (if blown)

Related Faults

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Diagnostic Steps

1
Inspect the tail light bulbs for any signs of damage or burnout.
2
Check the tail light fuse in the fuse box for continuity.
3
Use an OBD-II scanner to check for any trouble codes related to the lighting system.
4
Verify the operation of the headlight switch and related wiring.
5
Inspect the wiring harness for any visible damage or corrosion.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface with the ignition turned off.
Disconnect the negative battery terminal to prevent electrical shock.

2. Inspect and Replace Tail Light Bulbs

Remove the tail light assembly by unscrewing the retaining screws.
Disconnect the wiring harness from the tail light assembly.
Remove the old bulbs by twisting them counterclockwise and replace with new bulbs.
Reconnect the wiring harness and reinstall the tail light assembly.

3. Check and Replace Tail Light Fuse

Locate the fuse box, typically found under the dashboard or in the engine compartment.
Identify the tail light fuse using the diagram on the fuse box cover.
Pull the fuse out using a fuse puller and inspect it for continuity. Replace if blown with a fuse of the same amperage.
Reinstall the fuse and close the fuse box.

4. Inspect Wiring and Connections

Visually inspect the wiring harness connected to the tail lights for any signs of damage or corrosion.
Use a multimeter to test for voltage at the tail light connector when the headlights are activated.
Repair or replace any damaged wiring or connectors as necessary.