ChacAT4

You have grounding issue along the wire harnesses. 2019s are known for that. MC-10173718-9999.pdf

I’m pretty sure there is recall about that. I purchased a 2019 Silverado RST. It had so many problems and recalls I ended up trading it in for a 2020 Sierra AT4. I did a lot of research about the GMs new T1 platform and the infotainment 3 system. Which included reading all the complaints, recalls, GM technical bulletins between engineers and the technicians. Some of the earlier 2020 model trucks still needs the recalls done.

Back in May when I was shopping for a new AT4 I’ve been to a lot of GMC dealers trying to find one. I came across two trucks with fallen VIN decals at two different dealerships. Both had happened during a windshield replacement. Apparently it’s a common issue replacing the windshield with the new body GM trucks. Even though both trucks were exactly why I was looking for, they couldn’t sell them until DMV cleared them. I was told it was lengthy process because the vehicle was never registered, investigator from the DMV has to verify the new VIN decal matches the VIN that’s stamped all over the vehicle. But the dealers couldn’t install the new decal until then. So yes the dealership can get you a new decal and install it. And no you don’t have to deal with DMV since the vehicle is already registered to you with that VIN. dealership where you purchased the truck can verify the vin matches the truck. If your dealer or GM customer representative gives you more bs I can give you dealership info