03 tahoe radio volume short?

[rlaquay]

Have an 03 tahoe radio doesnt have any volume on radio on any mode.had it come in 3-4 times for a few seconds randomly couldnt tell if it was from closing doors.has the bose system w amp and the chime/amp box that is behind the radio,amp is under center console.any ideas on this same issue im use to working on basic radios not with 50 wires or so between the main radio harness and the amp harness