The console could be hacked "on" in a demo copy, no word so far on how to do so in the retail version (nor is there a non-technically inclined method presented as yet).
However, some players have determined how to mod the game, using coalesced.bin on the retail ME3. The tools are discussed in light detail here.
Specifically they're excited about the bra and panties hack nsfw at https://i.sstatic.net/8HOKN.jpg
