Originally Posted by dts3

I just successfully locked/unlocked my doors over CAN based on the OP's posts and blog. This is basically repeating what he's already done. The following 3 CAN messages were sent to address 0x745:

02 10 c0 00 00 00 00 00
Enter the diagnostic session that allows us to issue service 0x30 requests (which allows commanding of the BCM)

02 3e 80 00 00 00 00 00
Tester Present. I'm sending it periodically every 2.5 seconds to keep the ECU from dropping out of the diagnostic session that I put it in.

04 30 05 00 01 00 00 00
The command to lock/unlock the doors. He's explained in the blog and in this thread what the parameters to this command mean, so I will not repost
all of that