Help Problem with New Box 2002

Hello, how are I need help, I have an automatic neon 2002, and when I turn it in the mornings, the box does not change it I have to roll at least 15 minutes, then I turn it off I leave it so 5 minutes and when I turn it on again the box works perfectly until the car cools. I have taken it to several workshops and each one tells me that it is a different fault, if someone in this forum can help me or guide me with this thanks

Hello, send the converter to review, because that defend is weird if you say that you do not enter any velocid

Thanks Maat, they tell me that it is something electric since when the car turns off and leave it 5 minutes and turn it on again the box works perfectly. Thanks for your help, I'm going to review it

I suppose your box is electric in Czech your solenoid box that is next to the transmission or the input or output sensor?