Chosen Solution

I am trying to find the easiest way to get to the speed sensors in my car. I understand they are on the transmission and that there are two of them. I have a 2010 lancer es, it is stuck in first gear and my speedometer doesn’t work sometimes. I am pretty sure it is because the sensor. Can anybody help me out?

@erick1 the secondary pulley speed sensor should be the one you are looking for. B116 in the image shows the secondary pulley speed sensor and B117 the primary