I was hit in the rear a year ago and afterwards found that Fuse 9 was blowing everytime I turn key to acc. Replace fuse and repeat. i checked what I could, grounds, rear control box, everything and found nothing that would keep the fuse from blowing. So while no fuse, I couldn't lock the doors with my remote, only with key or unlock hatch with the dash button. Three wires go to fuse 9. One is central locking, one is security module, and I think the other is TPMS. I clipped the security wire and no more blown fuse.

It makes me think that maybe my problem is my hatch catch, being that it is probably out of alignment enough to cause the security connection to trip. hmmm, worth a look, thanks for posting.