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Blinking Check Engine Light

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GMCustomerService Senior Enthusiast

GMCustomerService

Posted
Posted
On 12/13/2022 at 5:01 AM, Amy Swayngim said:

I'm having the same problem on my 2021 5.3, but no codes have been thrown. Onstar, dealership and app shows nothing. Any recommendations as to what it could be?

 

 

 

 

This is certainly not what we like to hear, Amy Swayngim.  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 truck. To do so, please send an email to [email protected] with ATTN: Amy Swayngim/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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