If you mean CD like CD player, then no.
It means there is no disk in the CD player.
If the CD Player will not read the CD then either there is something wrong with the CD or the CD player or the CD or CD player needs to be cleaned.
you put it in a ghost CD player
it mean there is no CD so make sure there is a CD in there
Put it in a CD player.
A Compact Disk (CD).
Could it be in up side down or is it a DVD?
No
Begin by securing your CD player with the two retaining screws. Connect the wiring harness to the back of the CD player. Put the retaining cover on to the front of the CD player.
Make sure you put it in the CD player, my wife thought she put one in but had actually pushed it into a small gap just above the CD player.
it means the cd player can,nt read the cd