FAULTBASE
Error CodesASKCars
© 2026 FAULTBASE
All rights reserved.
v2.0.0 • Production
ContactPrivacyImpressum
How do I troubleshoot a malfunctioning headlight switch in a 2015 Volvo XC60? - Volvo XC60
Home/Cars/Volvo/XC60/First Generation (2008-2017)/How do I troubleshoot a malfunctioning headlight switch in a 2015 Volvo XC60?

How do I troubleshoot a malfunctioning headlight switch in a 2015 Volvo XC60?

Volvo XC60 First Generation (2008-2017)

Error Codes
1-2 hours
Time
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
3 min read
570 words

Problem Statement

Learn how to troubleshoot and repair a malfunctioning headlight switch in a 2015 Volvo XC60 with detailed symptoms, diagnostic steps, and tools required.

Affected Component
headlight switch
Estimated Time
1-2 hours

Symptoms

  • •Headlights do not turn on.
  • •Headlights stay on continuously.
  • •Dashboard lights are non-functional.
  • •Fog lights do not operate.
  • •Switch feels loose or has no resistance.
  • •Intermittent operation of headlights.

Diagnostic Steps

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6
  7. 7
  8. 8
  9. 9
  10. 10
  11. 11
  12. 12

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

  • •Multimeter
  • •Screwdriver set (flathead and Torx or Phillips)
  • •Fuse puller (optional)
  • •Replacement headlight switch (if necessary)

Additional Information

Affected Component
headlight switch
Estimated Time
1-2 hours
Difficulty
medium
Severity
medium
Tools Required
4 items

Related Faults

Loading...

Share this solution

Comments

Sign in to share your thoughts

Sign In

No comments yet

Be the first to share your thoughts

Back to Generation

Troubleshooting a Malfunctioning Headlight Switch in a 2015 Volvo XC60

Step 1: Visual Inspection
  • Check the Headlight Bulbs:

    • Ensure that the headlight bulbs are not burned out. If they appear cloudy or broken, replace them.
  • Inspect Wiring and Connectors:

    • Check for damaged or corroded wiring and connectors at the headlight assembly and the headlight switch.
Step 2: Test the Battery and Fuses
  • Check Battery Voltage:

    • Use a multimeter to check the battery voltage. It should be around 12.6 volts when fully charged.
  • Inspect Fuses:

    • Locate the fuse box (driver’s side dashboard) and check the fuses related to the headlights (consult the owner's manual for the exact fuse number).
    • Replace any blown fuses.
Step 3: Test the Headlight Switch
  • Remove the Headlight Switch:

    • Use a flathead screwdriver to gently pry off the trim around the switch.
    • Use a Torx or Phillips screwdriver to remove the screws securing the switch.
  • Disconnect the Switch:

    • Carefully unplug the connector from the back of the switch.
  • Check for Power Supply:

    • With the multimeter set to DC voltage, turn the ignition to the ON position (do not start the engine).
    • Probe the connector terminals of the headlight switch to check for voltage. You should see battery voltage (around 12V) on the power input terminal.
Step 4: Continuity Testing
  • Test Continuity of the Headlight Switch:
    • Set the multimeter to the continuity setting.
    • Probe the output terminals of the switch while toggling the switch to different positions (OFF, PARKING, HEADLIGHT). You should hear a beep or see continuity when the switch is in the ON position.
Tools Required
  • Multimeter
  • Screwdriver set (flathead and Torx or Phillips)
  • Fuse puller (optional)
  • Replacement headlight switch (if necessary)
Repair Instructions
If the Headlight Switch is Faulty
  1. Purchase a Replacement Switch:

    • Obtain a new headlight switch compatible with the 2015 Volvo XC60 (Y20).
  2. Install the New Headlight Switch:

    • Plug the new switch into the connector.
    • Secure it in place using the screws removed earlier.
  3. Reattach the Trim:

    • Snap the trim back into place around the switch.
  4. Test the New Switch:

    • Turn on the ignition and test the headlights, fog lights, and dashboard lights to ensure all functions work correctly.
If No Fault is Found
  • Check Relay Operation:
    • If the switch is functioning correctly, check the headlight relay located in the fuse box. Swap it with a similar relay (if available) to test if the relay is the cause of the problem.
Final Steps
  • Reassemble:

    • Once all checks and repairs are complete, ensure all covers and panels are secured.
  • Take the Vehicle for a Test Drive:

    • Confirm that the headlights and other lighting systems function properly under various conditions (daytime, nighttime, etc.).

By following these detailed steps, you should be able to diagnose and repair a malfunctioning headlight switch in a 2015 Volvo XC60. If issues persist, further investigation into the vehicle's wiring harness or control modules may be necessary.