Codes p700 and 2534?

No don't do anything with the pin fitment right now, do your voltage checks and continuity checks and see what you get. If it comes down to having to check pins, I'll explain that in more detail later, you already did a continuity check the revealed an issue, so we need to pinpoint that problem before anything, the missing voltage is what the code is for. Do not damage any pins with a paperclip.
Do you live in an area where they use a lot of salt on the roads during wintertime? Fuse boxes in the engine compartment suffer a lot of corrosion being exposed to the elements, so those circuits need to be checked.

That's the TCM connector?

That pin 49 is the main Ground. You're not able to just touch the tip of the multimeter lead to any of those pins?
When testing and for example, the harness plug needs to be plugged in to read a voltage signal, back probing the connector with a pin is the other option, you very gently slide a T pin in the back of the connector alongside the wire you need to test. Sometimes the connector lock needs to be removed from the connector. There are weather seals on each wire, so you need to slide to pin in just alongside the wire not damaging the seal, and just far enough in that the pin stops going in straight. Then check that there is reading on the meter to make sure it is contacting the pin on the inside of the connector.
This is a diagram I made up to show an example of back probing a connector.

Look back up, I have a diagram I made showing how to back probe a connector.
And what are you seeing wrong with pin 49? Does it look spread compared to the flat pin that it connects to?
That transmission connector will definitely need to be back probed, those are extremely small pins, those are the ones that worry me. They are so small, if there's the slightest spread in the female pins it will never connect with the transmission.

Can you show me the rest of the connector? Sometimes they may need to be taken apart somewhat.

Okay, that blue cover will come off, I'm trying to find the diagram of it, sometimes you have to pull the grey latch back to its lock position and it make expose the tabs to remove it. I take them off all the time, they need to remove for testing when plugged in, It's just a search trying to find the instructions to getting it off.
As for pin 49, if you can find something that is the same thickness as the pin that fits in that cavity, you can do a drag test on it. If that Ground has a loose pin, it can cause that code. Just look at the TCM pins to see how thick that pin is, It does look like it might be a little loose.

Ill see if I can find the instructions on taking that blue cover off, unless can you fit a regular pin inside of the TCM connector smaller pins? Just nothing that has to be forced it, you only need to make a light contact with those female pins to get a voltage reading. Even a sewing pin might fit.

No don't do that, get the blue cover off the back and back probe the connector, do that first and let's make sure that 12volts is getting to that pink wire. This code is for the TCM Ignition wire. Try a sewing in in the front and get a voltage reading on the pink wire. We'll deal with the results after.
In these situations, you have to be creative, this is what it takes if you're going to fix your own vehicles.
Do you own a scan tool? If you do, what kind is it, can it communicate with other modules besides the engine computer?