2.4l transmission

I have a 2009 avenger 2.4L . My car was doing great but I’ve been having to jump start it lately . Every time I flipped it my key , it would make a shaky sound but still start but now it won’t come on. I got a new battery in it , it fixed the problem for the week and now we’re back with the same...

May I get some assistants please. My ‘13 2.4L is leaking from the transmission. I changed the oil a day ago and now there’s a leak from a port under the driver side brake line that I’ve never seen before, should there be a bolt there or something else?

I have seen a lot about this but no answers really. My avenger is stuck in limp mode. Or won't shift out of first. It runs fine when it is cool and shifts. But after it heats up it will not shift if I slow below 20 or stop. I have two codes. P0700 and P0755. I replaced the speed inputband...