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Vehicle has now been in Dealer Service Department three days for the second time; unable to detect an obvious leak. Service Department contacted GM Engineering today and confirmed there have been condenser issues. Condenser ordered and to be replaced, hopefully by end of the week.

I'm having the same problem on a 2019 Silverado (bought new). Took it in the first time at about 7,000 miles when driver side was not cooling; coolant was low, no leak could be detected. Dealer recharged and added dye to system. Taking vehicle back today (four months later), as coolant has apparently leaked out again. Passenger side cooling, driver side not cooling once outside temperature reaches over 80 degrees. Vehicle has now been in the shop again for two days. Service department confirms system is definitely leaking, still unable to detect the leaks location after adding dye a months back. Service rep today said he was going to "contact engineering to see if they aware of any problems," as the Service Department if befuddled by it. I find it hard to believe a Chevy Service Department is not aware of this issue.

Took my 2019 Silverado in for A/C check yesterday. Each of the vents was blowing air of different temps from cold to hot. After 3 hours on evaluation, tech could not resolve the issue. I was advised they were somewhat confused by the problem and would need to keep the vehicle for further evaluation to resolve. Freon levels were fine! Suggested there may be some blockage or leak in duct system. Update: Vehicle has been in Service Department for two full days, and they still have no idea what the problem is. Advised will have electrical technician get involved in diagnosis. Hard to believe it's been two full days and they have no idea of what the problem is.

I'm having the same issue now on my 2019 Silverado. Air cold on passenger side, hot on drivers side with temps set at same level. Will be taking it in this week to check it out.