I am having problems with a shift solenoid

Hello,

They are located on the valve body so the transmission pan will need to be removed. Here is a guide and a diagram to help you find the correct solenoid with diagrams below to show the location. This guide will walk you through the pan and fluid removal:

https://www.2carpros.com/articles/how-to-service-an-automatic-transmission

Check out the diagrams (below). Please let us know if you need anything else to get the problem fixed.

It sounds like it is low on fluid or the unit needs to be serviced because you have a filter that is plugged up. Here is a guide to help us service the unit so we can go from there:

https://www.2carpros.com/articles/how-to-service-an-automatic-transmission

Please run down this guide and report back.

Cheers, Ken

Okay, it could be a transmission shaft speed sensor can you run the codes to see what comes up?

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

Please let us know what happens.

Cheers, Ken

Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed.

If you are proficient with doing your own repairs, this is one that you may be agle to handle at home, but it is not a speed sensor. You have a problem with a shift solenoid.

A quick tutorial.
The transmission is controlled by the computer. It reads inputs from the engine together with speed inputs from the transmission to compute which range in the transmission should be engaged. This is accomplished with solenoids that control line pressure, converter lockup, and shift valves. By activating solenoids, the transmission is shifted into the required range.

Your code indicates that shift solenoid C is apparently not performing its required function. This could be for several reasons.
1) The solenoid could be shorted or open.
2) The solenoid could be mechanically stuck.
3) The corresponding valve in the valve body could be sticking,

Access to the solenoids can be gained by removing the side pan from the transmission. For access, you must remove the left side powertrain mount and bracket. There is not a lot of room to work, but you can get to it.

You can check the solenoids for the proper resistance with an ohm meter. If resistance checks OK, you need to identify which solenoid is causing the problem. The solenoid is then easily replaced.

However, if the problem is internal to the valve body, then the valve body will need to be disassembled and repaired. This job does require some special tools, and is a bit beyond the scope of home repairs.