Brake switch location

Question

Engine light comes on at times and gives codes:
p0703
p0705
p1779

Mechanic says most like brake switch is triggering the other codes. Also very difficult to get to thus expensive to fix.

Where is it located? Easy to get to?

Answer 1

I would start by checking fuses. 

Brake switch is near the brake pedal 

see picture below

p1779 is related to the torque converter input signal malfunction