2007 ford focus ses lots of issues

[99bledsoe]

Bought a 2007 Ford Focus SES it was hit in front and I think there's a bad hood pin sensor or bad wire now remote start doesn't work. Overdrive button doesn't work. No dash lights for overdrive off or what gear your in or hood open light. Can drive with hood open with no alert. Car shakes til warm. No codes on dash but scanner comes up with p0705 transmission range sensor code. Also a brokeoff black plastic cover driverside in front of radiator maybe protecting ecm or pcm? Was told previous owner changes a brake light looks like he changed third upper brake light assembly also heard led bulb or broken bulb can cause modules to send wrong information to other systems ei transmission. I suspect either aftermarket car starter or hood pin sensor or overdrive or wires from those going to smart junction box (body control module) is the problem. I heard if you disconnect the wire harness from sjb and check its fuses or unhook the sjb totally you need to reprogram it. Also if I unplug battery and connect battery cables with jumper wire to drain all power I think it resets all modules. Would this reset the sjb and if so would it need to be reprogramed? Any information would be great thank you. Do you know the location for smart junction box (body control module) in a 2007 Ford Focus SES and diagram of fuses etc and what they are for? Any ideas what's going on?
Where to start?