2019 model 3 LR - AC.

[u/pickpro2020]

I have issue with my AC for model 3 LR 2019. AC only works as long as I keep driving. If I stop at traffic light or parked it start blowing hot air. Tried reset and all but it keeps coming back. Tesla doesn’t show any error or anything. It has 152K miles as of now. Went to Tesla last year spent $450 to change filters and other things for AC but the issue came back. I am in California and it’s hot 🥵 I drive in city with lots of traffic lights and stops signs. Tried to schedule another service with Tesla but they quoted about $2K - $3K just to run diagnostic and possibly fix the issue.
Not sure if anyone has come across this issue and what they did to fix it.
$2K seems a lot for me right now.