2020 AC Not Blowing Cold

[99WhiteC5Coupe]

Went to AutoZone and replaced the battery today. Still no cold air

You said earlier that you charged the original battery (that died). Did your jump-start the vehicle’s engine when it had a dead battery (perhaps causing electrical damage)? Have you scanned the vehicle for any stored trouble codes?

 

[LegalBrief]

The trucks have AGM batteries, once they are completely discharged they have to be replaced. Some weird test manufacture requires takes 4 hours if your trying to get it under warranty. If you want software updates the AGM must test above 50%, or update won’t run, that mean you may get a new battery as part of the software update. @ERNursebev72 go to dealer, you are at or near end of your warranty, you won’t fix this yourself.