trying to find out what sensor I need to replace

Question

I have a 2008 Jeep Grand Cherokee Laredo, My engine light came on and my transmission will not shift out of second gear. I took it and got Advanced Auto and they did a scan on it and it came out that my speed sensor not working. P2767 input/turbine speed sensor B Circuit, No signal, but I do not know what side Sensor B is if it is driver or passenger Rear, can someone please tell me.

Answer 1

the code is for Input speed sensor 

see picture below