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why are my Tesla Outback headlights flickering at night? - Subaru Outback
Home/Cars/Subaru/Outback/5th Generation (2015-2019)/why are my Tesla Outback headlights flickering at night?

why are my Tesla Outback headlights flickering at night?

Subaru Outback 5th Generation (2015-2019)

Error Codes
1-3 hours
Time
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
3 min read
530 words

Problem Statement

Learn how to diagnose and fix flickering headlights in Tesla Outback. Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component
Electrical
Estimated Time
1-3 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

  • •Disconnect battery before working on electrical systems to avoid shock or short circuits.
  • •Allow the vehicle to cool before handling any components that may have been in use.

Symptoms

  • •Headlights flicker intermittently while driving
  • •Dimming of headlights when electrical accessories are used
  • •Possible dashboard warning lights illuminated
  • •Reduced visibility at night due to inconsistent light output
  • •Increased wear on headlight bulbs

Diagnostic Steps

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6

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
  • •Wire brush
  • •Socket set
  • •Screwdrivers

Parts Required

  • •Headlight bulbs
  • •Fuses
  • •Relay

Additional Information

Affected Component
Electrical
Estimated Time
1-3 hours
Difficulty
medium
Severity
medium
Tools Required
5 items
Parts Required
3 items

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Solution
1. Preparation
  • Gather tools and materials.
  • Disconnect the negative battery terminal to prevent electrical shock.
2. Inspect and Replace Headlight Bulbs
  • Remove the headlight assembly (refer to the vehicle manual for specific instructions).
  • Carefully disconnect the bulb socket from the assembly.
  • Replace any damaged bulbs with new, manufacturer-recommended bulbs.
  • Reassemble the headlight assembly and reconnect it.
3. Check and Clean Battery Connections
  • Inspect the battery terminals for corrosion.
  • If corrosion is present, clean the terminals with a wire brush and a mixture of baking soda and water.
  • Ensure that the battery connections are tight and secure.
4. Test and Replace Fuses and Relays
  • Locate the fuse box and identify the headlight circuit fuse.
  • Remove the fuse and check for continuity; replace if blown.
  • Check the headlight relay by swapping it with a similar relay from another circuit in the fuse box, if applicable.
5. Inspect Wiring Harness
  • Visually inspect the wiring harness leading to the headlights for any signs of damage.
  • If frayed or damaged wires are found, repair or replace them as necessary.
  • Use electrical tape to secure any exposed wires.
6. Voltage Testing
  • Reconnect the battery and use a multimeter to measure the voltage at the headlight connectors.
  • Ensure the voltage reading matches manufacturer specifications (typically around 12-14 volts). If not, further investigate the electrical system.