LED headlight success?

[Chickensandwich]

I wanted to get a set of LED headlights for my Tahoe but I’ve heard so many stories about them throwing Check Engine lights. Anyone have any success with a particular brand that didn’t cause a check engine light?

 

[THarber]

I have them in mine, not sure what brand but no issues.

 

[Tonyv__]

I wanted to get a set of LED headlights for my Tahoe but I’ve heard so many stories about them throwing Check Engine lights. Anyone have any success with a particular brand that didn’t cause a check engine light?

You won’t get a check engine light for changing any bulbs. Worst case scenario would be if you used LED turn signals. You would get hyper flash if you don’t use resistors.

 

[Joseph Garcia]

The choice of an LED lighting system MUST include LED assemblies that are rotationally adjustable. Otherwise, there is a good chance that you won't have the correct beam positioning. Also fan cooled LEDs will better dissipate the internal hear generated by the LEDs.

Don't cheap out, as you often get what you paid for (at best). I've used a couple of brands of LED systems, and I settled on GTR Ultra 2 LEDs. They are expensive, but they are guaranteed for the life.

The actual LED beam adjustment mechanism is different for different brands/models, but the instructions supplied with the LEDs (or an installation guide on their product web site) should guide you through the process.

Bottom line, the popsicle stick in the LED headlight holding the LED chips needs to be as close to vertical as possible, after installed and locked into place in the headlight housing, with the LED chips pointing to the 3 o'clock and 9 o'clock positions. The photo of the guide below, while not for your specific brand/model, will give you a visual sense of how these LED headlights need to be positioned in a correct alignment within the headlight housing.

The fast flash is called hyperflash, and you need to install resistors in those circuits, in order to slow down the flash. I left the hyperflash on mine, as I believe that the fast flash attracts more attention from other motorists, and after all, that is the purpose of the directional signals in the first place. I will note that hyperflash is illegal in some states.

One other item to note...... Installation of aftermarket (not on originally equipped vehicle) LED headlights for on-road use is illegal in the USA, and the DOT notified dealers and repair shops 2 years ago that they need to step up enforcement on this when performing inspections (most probably don't though).

I trust that this info will be helpful to you.

 

[Jeff_]

If a bulb goes out, or isn't functioning properly, the driver information center on your cluster will display a message about a light failure. But no check engine light.

And when it comes to things like lights and brakes, buy once cry once is my answer. Don't go cheap.

 

[MainahBob]

I wanted to get a set of LED headlights for my Tahoe but I’ve heard so many stories about them throwing Check Engine lights. Anyone have any success with a particular brand that didn’t cause a check engine light?

I did the upgrade-no codes and made a huge difference in night driving. I used Supernova LEDs (http://www.supernovaleds.com/) after a lot of research. Fantastic lighting and a good warranty.
The only issues I had were 1) removing the air intake box-find a good YouTube to guide you and 2) trying to get the bulbs to seat as my hands are pretty big and the openings for the headlight bulbs are pretty small.

 

[BlaineBug]

I've been using Lasfit LED bulbs in my low, high, and fog lights with no problems.

 

[DallasTahoe1]

I just installed these:

https://www.amazon.com/dp/B0B4NN768B?psc=1&ref=ppx_yo2ov_dt_b_product_details

so far they’re pretty decent.

 

[markni12301]

I just installed these:

https://www.amazon.com/dp/B0B4NN768B?psc=1&ref=ppx_yo2ov_dt_b_product_details

so far they’re pretty decent.

When I click on that link I see the following which makes me apprehensive because the HIDs and LEDs are new to me and there are so many varying opinions on retrofitting.

 

[CMoore711]

When I click on that link I see the following which makes me apprehensive because the HIDs and LEDs are new to me and there are so many varying opinions on retrofitting.

If that makes you nervous then for sure don’t read your owners manual about replacing bulbs with LED lighting…

Your ‘15 Yukon Denali has factory HIDs for low beams. There’s an OEM OSRAM 35W ballast and OEM OSRAM D3S bulb.

There are different considerations when converting from HID to LED vs the factory halogen low beam projector guys (Tahoe/Suburban LS & LT models and Yukon non-Denali models) dropping in H11 LED bulbs into their low beams.

It’s doable. There are D series LED bulbs out there. You’d need a D3S bulb. I’m just not 100% clear on how they react with the ballast. I guess that’s the power source, but it’s only putting out 35W. Some of the super bright LED bulbs coming out are 45W, 50W, and 55W bulbs.

 

[BlaineBug]

When I click on that link I see the following which makes me apprehensive because the HIDs and LEDs are new to me and there are so many varying opinions on retrofitting.

If you are upgrading to HIDs then there is retrofitting involved as they require a ballast. But if you are switching from halogen to LED they should be plug-and-play, no modifications necessary. Check out Lasfit, they are affordable as an entry product and should give you a good idea if you want to keep LEDS or possibly get something even better in the future.

Also Lasfit ARE sufficiently bright, as I tried another cheap brand that was dimmer which I returned before I gave Lasfit a try!

I also have Lasfit bulbs in my reverse lights, I forgot to mention, which are TREMENDOUSLY bright in comparison to the factory halogen bulbs.

On my Yukon the only light bulbs that can be removed and replaced are high beam, low beam, fog, reverse lights, and license plate lights. Everything else is factory non-replaceable LED from the factory.

 

[Chickensandwich]

I think I’m gonna go with the Hikari Titanovas. Newest version, good reviews, reasonable price.

Hikari Titanovas

 

[bourgeois]

If you are upgrading to HIDs then there is retrofitting involved as they require a ballast. But if you are switching from halogen to LED they should be plug-and-play, no modifications necessary. Check out Lasfit, they are affordable as an entry product and should give you a good idea if you want to keep LEDS or possibly get something even better in the future.

Also Lasfit ARE sufficiently bright, as I tried another cheap brand that was dimmer which I returned before I gave Lasfit a try!

I also have Lasfit bulbs in my reverse lights, I forgot to mention, which are TREMENDOUSLY bright in comparison to the factory halogen bulbs.

On my Yukon the only light bulbs that can be removed and replaced are high beam, low beam, fog, reverse lights, and license plate lights. Everything else is factory non-replaceable LED from the factory.

Blaine Bug, i have read that putting and LED in place of the halogen bulb isnt to bright? I tried in 2019 and the light was terrible. I have been using HID but dont find the lighting is that bright. I know LED have come along way, but it seems you have luck with LED?

 

[BlaineBug]

Blaine Bug, i have read that putting and LED in place of the halogen bulb isnt to bright? I tried in 2019 and the light was terrible. I have been using HID but dont find the lighting is that bright. I know LED have come along way, but it seems you have luck with LED?

Depends on the brand I suppose. Some will be crappy others will be great. I like my Lasfit lights, they are brighter than the OEM halogen bulbs all around, no doubt about that and I am not sponsored to say as such.

 

[SSpinball]

replaced with LED, no problems on several suburban /tahoes.

 

[Chickensandwich]

I got an inexpensive set of bright LEDs from Amazon along with led blinkers. No issues. Very happy with them

 

[Hattie2879]

I wanted to get a set of LED headlights for my Tahoe but I’ve heard so many stories about them throwing Check Engine lights. Anyone have any success with a particular brand that didn’t cause a check engine light?

I just installed some Sealight H11s and my check engine light is on... Now to figure out the issue.

 

[BlaineBug]

I just installed some Sealight H11s and my check engine light is on... Now to figure out the issue.

Find out the code and let us know. I didn't think the CEL illuminated for bulb issues.

 

[Jroby42]

I just installed some Sealight H11s and my check engine light is on... Now to figure out the issue.

Check that connection (MAF) on the passenger side air tube is tight/connected and air box is nice and tight.

 

[Hattie2879]

It's raining pretty good right now, so I'll probably swing by auto zone or advance auto tomorrow to see if they can tell me. I did double check to ensure that the MAF and air box are both tight. Hopefully it's just being funky bc I disconnected it.