Dodge caravan runs good drives but error codes po700 po731 po 732 po 734 come on and down shifts hard when coming to a stop the van has sit for three years 100.000 miles on it any in out whould be great trans fluid not burt pink but noticed a input speed sensor is chewed up thanks but I whould not think the input sensor whould cause all the codes popping up it goes threw all gears then check engine light limp mode then it will go check engine light on just replaced water pump