This sounds like a cluster issue but I can say, I have never heard of this happening. So I am wondering if I am not understand. Can you get a picture of what this is doing so that we can make sure we are on the same page?
Also, we are going to need to check for codes to make sure we don't have anything there that could help with this.
https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing
Lastly, I attached the cluster function test that we should perform just to make sure it can pass this test. Let us know what you find with this and we can go from there. Thanks
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Sunday, January 10th, 2021 AT 3:03 PM