Central Auto Lock

[Dj Aquarius]

Hi ,

i'm a newbie here, just wondering if someone can help me out about my auto Door Locks on my 2003 X5 4.4i.

it use too work when i run 4 km or up it will auto lock the X5 doors
but now it doesnt do it anymore.

i dont know if its something to do with this code..
95 (149)interior security, fuse or cable
if it does, where can i locate or how to fixed the problem.

Thanks in advance