Question about the Headlights
- Thread starter callmebob
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Morales1995
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Thanks so much how did they find out it was the sensor?
They didn't, I told my service advisor that multiple folks on this forum were having the problem with the ambient light sensor, gave him the part number from a previous post here, they ordered it and when it came in I scheduled the appt for replacement. I have a very good relationship with my dealer and service advisor, been using them for years, so not everybody will be able to do this as they will want to "diagnose" your problem first.
R32driver
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It's funny how little they actually seem to know at the dealer service departments. When our '21 was flooding the driver side floorboard due to a faulty sunroof drain tube the service guy said he'd never heard of such a problem. I then forwarded him a thread from this forum with the TSB about the exact issue and he used that to repair the issue.
That's actually how I discovered this forum (wife found the TSB during her research of the problem) even though I love cars and have owned a suburban or chevy truck for the last 15 years. Now I post here way more than on vwvortex where I've been a member since the mid 2000's
I had the same issue (headlights coming on in my Denali in bright sunlight). Dealer found an error code, replaced the light sensor and now everything is working as it should. DRLs during day time, headlamps come on when it gets darker. I attached the service report here in case helpful.
Attachments
Just got back from the dealer. Took them a full day (they kept it overnight) to "troubleshoot". I had to convince the service advisor the lights werent working right despite the fact they found the sensor error code within 5 minutes of me arriving. They said they couldn't replicate the problem, then when I had them pull it into the sun and showed them the lights were on they tried to convince me the lights were supposed to come on in the bright sun to improve visibility (Despite the error code).
Finally was able to escalate to the service manager and he took one look and said "that's not right, order a new sensor".
And now I wait.
Finally was able to escalate to the service manager and he took one look and said "that's not right, order a new sensor".
And now I wait.
Yep, I'm experiencing the same issue on my 22 Yukon Denali, just picked it up a week ago and noticed the headlights stay on. The DRL turn on when it's dusk out, but in bright light i have headlights on.
I spoke to the service rep and will be bringing mine in, I really hope they do not press me on this and it's smooth sailing on fixing. In the event they do put up a fight, I'll be sharing what I've read in this thread.... Fingers crossed.
I spoke to the service rep and will be bringing mine in, I really hope they do not press me on this and it's smooth sailing on fixing. In the event they do put up a fight, I'll be sharing what I've read in this thread.... Fingers crossed.
WalleyeMikeIII
Full Access Member
Suggestion...take a video of it doing it in bright light, and showing that the lights go off in the dusk.
Include a scan past the clock in the video.
Should be a no brainer...even show the lights on in bright light, and shield the sensor so it darkens and turns the lights off...practice a bit at home, then you can demo it for the service advisor...that should do it.
Interesting to see so many issues on this. I ordered my Yukon Denali (Premium Package) in early January, took deliver in mid-March, and the headlights functions just as you would expect. Upon startup in the dark garage, the headlights come on, but as soon as the vehicle is in direct sunlight the DRL come on.
Chiming in,
Like others on this thread my headlights were acting the same way. I bought this sensor for my '22 Z71, swapped it out in 10 seconds and now the headlights work as intended. Part# 1354621 $20 w/ shipping, cheaper to try this for me than to drive to the dealership.
https://www.gmpartsdirect.com/oem-parts/gm-sensor-13545621
Like others on this thread my headlights were acting the same way. I bought this sensor for my '22 Z71, swapped it out in 10 seconds and now the headlights work as intended. Part# 1354621 $20 w/ shipping, cheaper to try this for me than to drive to the dealership.
https://www.gmpartsdirect.com/oem-parts/gm-sensor-13545621
Morales1995
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Hi there do you mind explaining to me how you do it? The dealerships are telling me there’s nothing wrong with these…
You just pop out the sensor in the center of the dash and replace.
WalleyeMikeIII
Full Access Member
Well, that is utterly ridiculous. If you go there on a bright sunshine filled day, and the headlights are on automatically, there is clearly an issue. If you place some opaque material over the sensor and the lights go off, it further demonstrates an issue. I suggest doing a little "demo" for them .
Morales1995
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I wish I could make this up man, I had them say “oh its in the BCM it’s supposed to do that” I’m taking it to another one before I finally get back from the border and just do my own mechanical work on it. I just don’t have tools on me and am busy with work to mess with it.
