This problem deals with the ssa solenoid. The ssa solenoid means Shift solenoid A. This solenoid is used to allow for the car to shift properly. Here is a blow up of the soleniods as they are located. Note SSA. This is the solenoid that you will be needing. The failure is a circut failure usually caused by a faulty winding in the solenoid.
It will take somewhere around 2 hours to change. Feel free to contact me with any questions or if you would prefer a second opinion. Good luck!