GMC Acadia owners have reported problems related to headlights under the exterior lighting category. The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of GMC Acadia based on all problems reported for the Acadia. My headlights stopped working while I was driving on a highway. It was dark while I was driving, which posed a dangerous situation. Upon researching online, there seems to be other people who have had the same problem.

See all problems of the GMC Acadia. The headlights are not bright enough to safely drive the vehicle at night on low beam, and the high beam makes very little difference. It is worse when the roads are wet.

When you put the high beams on, the lights do not seem to get any brighter. I have taken it to a GMC dealer twice and was told the headlights are working the way they are supposed to work. If that is the case, it is a poor design and needs to be corrected. This has been an ongoing problem since we purchased the vehicle new. First it started with the daytime running lights staying on hours after vehicle is shut off then it went to parking lights staying on as well and now the driver side lights are out including liscence plate lights nothing works but the headlight.

Exterior headlights are ineffective and unsafe while driving at night. Poor lighting on my vehicle has caused near accidents on the freeway with deer and stalled vehicles on the on the road.

I noticed both of my driving lights had gone out and went to replace. Tl the contact owns a GMC Acadia. While driving at night, the contact stated that the headlights were barely visible because they were blacked out. The vehicle was taken to ken nelson auto group n galena Ave, dixon, ILwhere it was determined that the headlights would not project too far.

The contact attempted to call the manufacturer, but the call dropped. The vehicle was not repaired. The failure mileage was unknown. The headlights on this vehicle are horribleit is a safety hazzard.

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When driving the headlights only light up the road about 6 ft in feont of you on low beam and there is a distinct line where they stop shining upwards which is only about 4 ft up into the sky.

This does not give you enough time to see anything in front of you let alone pwople walking on the sidewalks. I am very dissapointes that this vehicle is 6 years old and this hasnt been taken care of yet. Maybe you should try and drive rhis vehicle and then recall it because you cant see anything on low beam. I was driving on the street after getting this and driving ar night is a safety hazzard that needs to be reconciked for all of us before something happens to someone.

I then noticed that the bulb socket was partially melted, and the dust seal around the bulb is also partially melted brown and starting to melt. The drivers side bulb is melted enough that I cannot remove the entire bulb from the socket, only the glass wants to pull free.

I feel lucky it didn't start a fire.

headlights not working

The drivers and passengers headlights keep burning out. I have replaced the drivers side 3 times and the passenger side 2 times in the last 6 months. This is very dangerous as this is a family car and this has happened while driving down the road.

Headlights are burning up about every 2 months does not matter what side they are not lasting.

2015 gmc acadia headlights not working

Headlights have been replaced twice since purchasing the vehicle in may One problem related to headlights has been reported for the GMC Acadia.

The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the GMC Acadia based on all problems reported for the Acadia. We have a GMC Acadia sle-2 with projector headlights. We can only see about ft.

Ahead with low beams, there is a dark line at hood level where the light cuts of into darkness. The light bounces up and down when driving this is very distracting and dangerous.

It is difficult to see the shoulder of the road, I did not see a pedestrian until he was right beside me. The high beams are about the same as the low beams in our previous vehicle GMC terrain. I contacted our dealer who said there was no recall or TSB regarding our problem.

The service manager said he will try to adjust the aim of the headlights. He stated he had done this with other customers but it was not a fix for the problem it may only help a little.

I saw similar complaints on carcomplaints. We feel this a safety issue and needs to be addressed. We feel someone should drive this vehicle in a dark rural area where we live and drive most often and they would see the problem!!!. Car Problems.

How to Replace HID Headlight Ballast 07-16 GMC Acadia

Headlights problem 1. Exterior Lighting problems 2. Exterior Lighting problems. Fog Light Switch problems.The most recently reported issues are listed below. Headlights are far to dim and directional to drive safely at night. Had the light fix done at dealer.

Now horizontal black line going down hill mean you can only see a very short distance in front of you? The projector headlights are inadequate on a level road, and are dangerous on rolling terrain roads and curves. They could be possibly designed for stationary use in a perfect enviorment but not for moving vehicles, I cannot safely drive this vehicle at night, I fear not only for myself but for other people on and near the path of this vehicle.

My mind is clear, there are many blowing the whistle.

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Headlight performance is very poor with weak yellow beam both on low and high beams. Difficulty seeing during night driving, especially at highway speeds in dark areas, is very hazardous, even worse during rain.

Both headlight abruptly quit working

I am concerned about my safety and that of my family while driving this truck at night. The contact owns a GMC Sierra.

2015 gmc acadia headlights not working

While driving at night, the low beam headlights failed to illuminate sufficiently. The vehicle was not diagnosed nor repaired. The manufacturer was not notified of the failure. The failure mileage was 7, The headlights with which this vehicle are equipped are dim and unsafe.

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I have owned many vehicles, including several made by gm, and this one is the worst. This is true at any reasonable speed and is much, muc hworse during inclement wx, particularly when raining. Can not see the side road to turn on it.

2015 gmc acadia headlights not working

If I had know they were this bad would not have bought this truck. The contact stated that the low beam headlight was defective and did not provide adequate light coverage.

The contact had to engage the high beams. The manufacturer was notified of the failure. The dealer raised the low beams; however; the light coverage was not corrected. The failure mileage was The headlights are very dim and make it hard to see at night. I have had several situations where an accident was more likely due to the dim lighting. Headlights are not safe to be used in the dark. Driving on curvy, hilly roads is very dangerous. Can not see well. High beams barely different from low beams.

Live in town so this was first time out on road at night.The headlights have abruptly quit working, Daytime running lights and fog lamps still work.

High beam are VERY dim when switching from low beam, that do not work at all. When trying to manually switch lights on you can hear a clicking noise. GuruPBJH7 answered 2 months ago. How can I figure out if it the switch, module,or the relay?

When t Which is crazy. Has anybody ever s Headlights keep blowing in my 07 Acadia, when I replace them they will work maybe a couple of months, then blow again. Please help me. Tired of buying bulbs. I've GMC Acadia By itself the on and off situation goes on.

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All of sudden the square pointer from the Gears signal in dashboard disappears and Traction Control light turns on. Rear Cam and rever Sometimes my air conditioner will blow cold air and sometimes it does not. We tried recharging but that did not change anything. Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use. Content will be removed if CarGurus becomes aware that it violates our policies.

Report Follow. Mark helpful. Your Answer:. Upload Photo Photo optional. Related Questions. Start a new GMC Acadia question. GMC Acadia Experts. Find great deals from top-rated dealers TM Search. Related Models For Sale. Used Cars For Sale.With that in mind, it can be tremendously useful to start off by looking at whether both, or just one, of your headlights have failed, and whether or not the high or low beam mode still works. When headlights stop working, it's usually an electrical problem or an physical issue with the bulbs themselves.

In order to get to the bottom of the situation as quickly as possible, it's important to make note of exactly what type of failure you have experienced. Based on which bulbs have stopped working, and under what circumstances, you can use the following information to narrow down a solution:.

Most total headlight failures are caused by a bad component like a fuse, relay, or module. Wiring problems can also cause both headlights to stop working.

If just one bulb fails to work in either high beam mode or low beam mode, it may be the bulb. Most headlight failures that are limited to just high or low beams are related to a relay or the high beam control switch.

If your headlights always seem dim, the problem could be foggy lenses or worn out bulbs. If your headlights seem to dim during specific circumstances, there may be a charging system issue. Other headlight problems are also caused by some combination of bad bulbs, wiring or relay problems, and bad switches.

Most headlight systems are pretty straightforward and include a few basic components like the bulbs, a relay, a fuse, and a switch.

There are variations on this basic theme, like some vehicles have daytime running lights, adaptive headlightsor other little wrinkles like fog lightsbut the idea is still the same. When you turn on your headlights, that switch activates a relay.

That relay, in turn, actually provides the electrical connection between your headlight bulbs and the battery. Fuses are also involved in order to provide a sacrificial failure point to protect the rest of the wiring. In the same way that your headlight switch activates a relay to provide power to the headlights, operating your high beam control will generally activate a relay to turn on the high beams. In the case of dual filament headlight capsules, this literally sends power to the high beam filament.

If any of these components stop working properly, your headlights will fail.

NHTSA — Exterior Lighting Problems

And by looking at the way they failed, you can usually backtrack to figure out the best place to start troubleshooting. Fixing a burned-out headlight is usually a pretty easy job, but there are cases where you may want to go straight to a mechanic.

If you don't own some basic tools and diagnostic equipmentlike screwdrivers and a voltmeter, then you may want to think about taking your car to a professional during daylight hours. If you do take your car to a shop, they'll probably start with a visual inspection of the headlight system, check your fuses, and take a look at the switch and relays.

Replacing a burned out headlight usually only takes a few minutes, but the diagnostic procedure could take between half an hour and an hour, or even more, if you're dealing with a more complicated problem. The diagnostic procedure that a professional technician will actually follow is similar to the one outlined below. So if you want to know more about what to expect when you take your car in to have your headlights fixed, you may want to read on.

When one headlight stops working, and the other one works just fine, the problem is usually just a burned-out bulb. If the connector has come loose, pushing it back on may fix the problem.

2016 GMC Acadia low and high beams stopped working

Another factor to take into account before you replace a burnt-out headlight capsule is whether or not there were any outside causes for the failure.If you see discoloration or melting, replace the connector with the revised pigtails shown below. Other splice sleeves may not protect the splice from moisture or provide a good electrical connection.

Cut the wires approx. Then splice in the new pigtail parts numbers shown below using the splice sleeve.

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Install new headlight bulb and test. Unlike the cheaper Haynes and Chilton manuals that cover multiple year models, leaving the exact information you need to fix your car, these professional manuals cover your exact year, make, model.

Plus, they contain full trouble code descriptions and troubleshooting instructions. Pricing: Eautorepair. So you have to refer to the factory legends to learn the identification symbols and then refer back to circuit diagrams to find the splice and ground locations. However, Alldatadiy. If you need to dig into your doors, dash or console, Alldatadiy. Duraseal heat shrinkable connector. Find this article useful?

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Share it! Tags headlights don't work low beams don't work low headlights don't work.The headlights have abruptly quit working, Daytime running lights and fog lamps still work. High beam are VERY dim when switching from low beam, that do not work at all. When trying to manually switch lights on you can hear a clicking noise.

GuruPBJH7 answered 2 months ago. How can I figure out if it the switch, module,or the relay? When t Which is crazy. Has anybody ever s I've GMC Acadia By itself the on and off situation goes on. All of sudden the square pointer from the Gears signal in dashboard disappears and Traction Control light turns on.

Rear Cam and rever Headlights keep blowing in my 07 Acadia, when I replace them they will work maybe a couple of months, then blow again. Please help me. Tired of buying bulbs. Sometimes my air conditioner will blow cold air and sometimes it does not. We tried recharging but that did not change anything. Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus.

Please refer to CarGurus Terms of Use. Content will be removed if CarGurus becomes aware that it violates our policies. My account Saved searches Saved listings Sign in. You can read more here and make your cookie choices. By continuing to use this site you agree to us doing so. Report Follow. Mark helpful. Your Answer:. Upload Photo Photo optional. Related Questions. Start a new GMC Acadia question. GMC Acadia Experts.