2019 and it was working when I got it, had level kit and tires installed and now it only works when I lock the hubs on the front. Did the tire shop disconnect something?

 

Check the vacuum tubes near the wheels. There have been a couple guys that posted that shops forgot to reconnect the tube or it came undone due to the lift.

 

Yup, driver's side inboard of the coil spring, attached to the (I think) control arm, it is a funky shaped vacuum connector. One side runs to the driver's side hub, and the other side goes to the vacuum line that is likely dangling straight down on the inside of the control arm.