intermittent p0882

What is your question?

I have intermittent p0882. transmission goes to limp mode.the problem is the computer sometimes aka when i park the car under the sun does not send the control voltage to the electronic relay located in the timp until i push the c4 connector in and out the 12 v will come back. if its a connector problem how can i replace it do i need to solder all the wires or else?

What makes this problem better or worse?

it happens when park car outside in hot summer