Welcome to the forum from Virginia. Did you need to install any resistors? If you put your old lights back in do they work? Can you disconnect one light at a time to find the culprit?
Welcome to the forum from Virginia. I’m sorry you’re having a hard time with your new rig. Your post is hard to stay with until the end so forgive me if you tried the usual issues.
Did they check your heater core? Are you losing coolant?
As for the dealer no helping, well, they’re dealers...
Welcome to the forum from Virginia. I don’t think there’s an update. I think it’s hardware related but some of folks with more experience with your rig will chime in. My 14 Sierra didn’t have it and I believe it’s the same hardware. If you replace yours there are lots of options to keep your...
It’s a shame. GM really dropped the ball on this one. The lifter/cam issue, the trans issue, and the AC condenser issue are terrible. GM not stepping up is worse.
Welcome to the forum from Virginia. The dealers are quick to say they can’t replicate the problem in my experience. Try an Indy that your warranty company works with. It sounds like there’s a leak. Mine was the condenser.
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