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2023 GMC Sierra check engine


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So I have a 2023 Sierra less than 6000kms I got a Check engine air filter system message about two weeks ago took it to the dealership and they said it was a glitch and nothing was wrong. Today it comes back mind you I think I lifted the hood once to put windshield washer in so no mods whatsoever and obviously something is wrong I took it a friend’s shop and he put his scan tool on it and said no codes. Any suggestions or thoughts would be appreciated 

Thanks in advance475FB411-8FBA-4397-A0EB-C348BA026658.thumb.jpeg.7da60a073b7faf61f49e86af6a22d4f3.jpeg

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6 hours ago, Transient said:

I always press the OnStar button whenever an indication light comes on and ask the rep to run a diagnostic.  If they find anything I have then send the info to my email. 

Never thought of that. GM forced me into 3 yrs so thanks for the tip!

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I guess maybe I should have subscribed I think I got 3 months free but pretty sure it has expired now. I guess it’s back to the dealership for me hopefully they find something this time and don’t try and tell me it was a computer glitch again 

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On 5/11/2023 at 9:09 AM, HammyD said:

I guess maybe I should have subscribed I think I got 3 months free but pretty sure it has expired now. I guess it’s back to the dealership for me hopefully they find something this time and don’t try and tell me it was a computer glitch again 

What if it was a computer glitch?

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On 5/10/2023 at 10:02 PM, HammyD said:

So I have a 2023 Sierra less than 6000kms I got a Check engine air filter system message about two weeks ago took it to the dealership and they said it was a glitch and nothing was wrong. Today it comes back mind you I think I lifted the hood once to put windshield washer in so no mods whatsoever and obviously something is wrong I took it a friend’s shop and he put his scan tool on it and said no codes. Any suggestions or thoughts would be appreciated 

Thanks in advance475FB411-8FBA-4397-A0EB-C348BA026658.thumb.jpeg.7da60a073b7faf61f49e86af6a22d4f3.jpeg

This is certainly not what we like to hear, HammyD.  Please know, customer satisfaction is extremely important to us. Our team would be more than happy to take a closer look into the concerns with your 2023 GMC Sierra. To do so, please send an email to [email protected] with ATTN: HammyD/GM Trucks in the subject line.

Please include your contact information, VIN, a brief description of your concern, and the name of your preferred dealership. We look forward to hearing from you. To learn more about GM’s Privacy Policy, please visit https://www.gm.com/privacy-statement.html. The information you provide may be monitored and recorded and is subject to the GM Privacy Statement.
 
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