AC quickly cycles on/off?
This just happened yesterday on my 2011 Overland with hemi: the AC cycles on for a couple of seconds, off for a couple of seconds. I can hold my hand in front of the vent and feel cold, room-temp, cold, room-temp air.
I was cruising at a steady 55 MPH. The climate controls were set for manual (not auto), AC, and panel mode. I had TSB 18-035-11 done a few weeks ago.