Is your Subaru Crosstrek Headlight Not Working? You’re not alone. It’s a common problem among vehicle owners. And luckily, it can often be fixed without too much hassle.
10 Common Subaru Crosstrek Headlight Problems
1) Low Beams Not Working
The inadequate functioning of low beams is a common issue when it comes to Subaru Crosstrek headlights. This is usually caused by a blown fuse or a faulty headlight bulb.
How To Fix It?
To fix this problem, first, check the fuse box and replace the fuse if necessary. If the fuse is not the issue, then it is likely a blown headlight bulb.
To replace the headlight bulbs, you will need to remove the headlight assembly. After that you have to replace the bulbs with new ones. After replacing, it is important to test the headlights to make sure they are working properly. Here’s how to do it.
Begin by turning the lights on and then dimming the lights to the lowest setting. If the low beams are still not working, then further troubleshooting may be necessary. This could include checking the wiring and connections to make sure they are all secure.
2) Damaged Wiring Harness
Another common issue with the Subaru Crosstrek is a damaged wiring harness. This can be caused by a number of things. Things such as water damage, incorrect installation, or a bad connector.
How To Fix It?
To fix this issue, you will need to replace the damaged wiring harness with a new one. Once its installed, it is important to test the system to make sure that it is functioning correctly.
This can be done by running a diagnostics test on the vehicle. This test will detect any errors in the electrical system. Additionally, it is important to check the wiring for any frayed or damaged wires. This damage can lead to further problems. To ensure that the wiring harness is properly connected, use electrical tape or heat shrink tubing.
3) Faulty HID Ballast
The Subaru Crosstrek headlight, not working problem can also be attributed to a malfunctioning HID ballast. Also, it can result in other headlight issues like flickering and dimming if not addressed! This is usually caused by a faulty electrical connection or a faulty ballast.
How To Fix It?
To fix this issue, you will need to replace the faulty HID ballast with a new one. Replacing the faulty HID ballast is a relatively simple process.
- First, you will need to disconnect the power supply to the ballast. Then remove the old ballast.
- Next, you will need to install the new ballast. Then connect it to the power supply and the headlight.
- Once the new ballast is installed, you can then turn on the power supply and test the headlight.
- If the headlight works correctly, you can then proceed to reinstall the headlight.
For instance, check this what the mechanic is doing with his car.
It is important to ensure that the connections are secure and not prone to shorting out. After everything is connected correctly, you can then turn on the headlight and test it to make sure that it is working properly.
Headlight Problems in other Subaru Models:
- Subaru Automatic Headlight Problems
- Subaru Crosstrek headlight Problems
- Subaru Headlight Problems
- 2015 Subaru Forester Headlight Problems
- Subaru Impreza Headlight Problems
4) On-Board Computer Issues
Another reason for Subaru Crosstrek headlight not working problem can also be the issues with the on-board computer. This is usually caused by a faulty electrical connection or a faulty computer.
How To Fix It?
To fix this issue:
- The first step to replace the faulty computer is to open up the hood. Then locate the on-board computer.
- Once located, the computer should be disconnected from the harness. And the new one should be installed in its place.
- Next, the new computer should be connected to the harness. Then the connectors should be secured in place.
- Once this is done, the power should be reconnected. And the computer should be tested to ensure it is functioning properly.
If all is working correctly, the headlights should be back to normal.
5) Faulty Relay
A faulty relay can also cause headlight issues on the Subaru Crosstrek. This is usually caused by a faulty electrical connection or a faulty relay.
How To Fix It?
To fix this issue, first you have to locate the faulty relay: Once the faulty relay has been identified and replaced. The next step is to ensure that the new relay is properly connected to the vehicle’s wiring system.
To do this, the relay should be connected to the appropriate terminals on the fuse box. Before doing so, it is important to ensure that the polarity (positive and negative) of the new relay. Make sure that it is consistent with the polarity of the vehicle’s wiring system.
Once the new relay is connected, it is important to ensure that the connections are secure and not loose. This can be done by using a multimeter to check the continuity of the connections.
6) Faulty Control Module
One of the most common headlight issues in the Subaru Crosstrek is a faulty control module.
The control module controls the electrical signals that power the headlights. If it’s malfunctioning, the headlights won’t work properly. This can be caused by a faulty wiring harness, corrosion, or a short circuit.
How To Fix It?
To fix a faulty control module in a Subaru Crosstrek, first check the wiring harness for any signs of corrosion or damage. If the wiring harness is in good condition. Then check the fuses and relays in the headlight circuit.
If they are all in working order, the next step is to replace the control module. Make sure to use a genuine Subaru part that is designed to fit your vehicle model.
7) Faulty Alternator
A defective alternator is another frequently encountered issue associated with Subaru Crosstrek headlight not working problems. The alternator helps to provide the electricity needed to power the headlights. If it’s not functioning properly, the headlights won’t work.
This can be caused by a faulty alternator belt, a broken alternator, or a loose wiring connection.
How To Fix It?
To fix a faulty alternator, first check the alternator belt to make sure it’s not loose or broken. If it is loose or broken, the belt should be replaced.
Once the belt is replaced, check the wiring connections of the alternator to ensure they are tight and secure. If any connections are loose, they should be tightened.
If the wiring connections are all secure, the alternator should be tested to ensure it is functioning properly. If the alternator is determined to be faulty, it should be replaced.
8) Dimmer Switch Issues
The dimmer switch is used to control the brightness of the headlights. If it’s not working properly, the headlights won’t be as bright as they should be. This can be caused by a faulty switch, worn wiring, or a bad connection.
How To Fix It?
To fix the issue with a dimmer switch, the first step is to check the wiring. Make sure that the wiring is not worn or frayed, as this can cause a bad connection.
If the wiring looks fine, try replacing the switch itself. If replacing the switch does not resolve the issue, then you may need to look into replacing the entire headlight assembly.
9) Burnt-out Bulb
A burnt-out bulb is another prevalent issue that contributes to Subaru Crosstrek headlight not working problems. This can be caused by a worn-out bulb, a loose connection, or a bad electrical connection.
How To Fix It?
To fix a burnt-out bulb, the first step is to locate the bulb that needs to be replaced. Depending on the model of Crosstrek, this could be in the tail light, side marker light, license plate light, brake light, turn signal, or any other type of light.
Once the bulb has been located, it can be removed and replaced with a new one.
10) Water Damage
Lastly, Subaru Crosstrek headlight not working problems can also occur due to water damage. This can be caused by a leaking seal, a cracked lens, or a damaged wiring harness.
How To Fix It?
If the issue is a leaking seal or a cracked lens. The only way to repair the damage is to replace the headlight assembly. This can usually be done with an aftermarket part that is designed to fit the Crosstrek.
The wiring harness, however, may need to be replaced if it is damaged. This is typically a more involved repair, and it should be done by a professional to ensure it is done correctly.
The more awareness you have about your car model structure and functioning, the better you can maintain it. Fulfilling the purpose, there’s an Ultimate Guide to Subaru Headlight Problems, Maintenance, and Repairs. This could let you interpret the specific weaknesses in your vehicle and the ways in which you can resolve them.
Prevention of CrossTrek Headlight Failure
1. Proper Installation – Proper installation of the headlights is key to preventing failure. This includes using the correct type of bulbs. Using the correct type of wiring and connecting the wires properly.
2. Regular Maintenance – Regular maintenance of the headlights is vital to preventing failure. This includes cleaning the lenses and replacing the bulbs when they burn out.
3. Avoid Extreme Weather Conditions – Avoiding extreme temperatures and weather conditions can help prevent the failure of the headlights. This includes avoiding direct sunlight, extreme heat, and freezing temperatures.
4. Use Quality Parts – Using high-quality parts can help prevent premature failure. This includes using genuine parts. Like parts that are made specifically for the CrossTrek headlights, and using parts intended for the car.
5. Check Electrical Connections – Checking the electrical connections is important to preventing failure. This includes checking the ground connection, checking for short circuits, and checking for a damaged wiring harness.
Headlight Problems in Lexus Models:
FAQs
How do I prevent my Subaru Crosstrek headlight from failing in the future?
The best way to prevent your Subaru Crosstrek headlight from failing in the future is to ensure that you regularly check and maintain your headlights.
This includes making sure that no dirt or debris is blocking the light. Moreover, it also includes the lens is clean and free of any cracks or damage, and that all wires and connections are secure. You should also check the headlight bulbs regularly to ensure they are not burnt out or in need of replacement.
Can I drive my Subaru Crosstrek with one headlight not working?
No, it is unsafe to drive your Subaru Crosstrek with one headlight not working. Having two headlights allows you to better see and be seen on the road.
However, having only one headlight could put you and other drivers at risk. You should not drive your Subaru Crosstrek until both headlights are working properly.
What is the cause of both low beams stopping working in my Subaru Crosstrek at the same time?
The most likely cause of both low beams stopping working in your Subaru Crosstrek at the same time is a burned-out headlight bulb.
When a headlight bulb burns out, it can cause a power surge that may cause the other bulb to fail as well. You should check both headlight bulbs to see if they need to be replaced.
How do I adjust the beam pattern of my Subaru Crosstrek headlights?
The beam pattern of your Subaru Crosstrek headlights can be adjusted by adjusting the headlight aiming screws.
These screws are located near the headlights. They should be adjusted with a screwdriver until the headlight beam is pointing at the correct angle. It is important to make sure the beams are properly adjusted to ensure you see the road clearly.
Is it easy to replace a Subaru Crosstrek headlight assembly myself?
Yes, it is relatively easy to replace a Subaru Crosstrek headlight assembly yourself. Most headlight assemblies come with detailed instructions on how to properly install them. It is important to always use the correct tools. And to follow the instructions carefully to ensure the new headlight assembly is properly installed.
