Tail light Camaro

My 2020 LT running light comes on and off at night when driving, sometimes it will be pitch black only on the driver side and it will only turn on whenever I brake or signal, other than that it’s completely dark
Sometimes it will turn on for a couple minutes then go back out
I already reset my BCM at the dealership and this keeps on happening and I’m dropping it off at the dealership again this weekend to see what’s wrong with it
Any ideas of what it could be?