2002 dodge intrepid driver seat goes up and down but it wont go backward or forwards whats wrong with it

check switch for proper operation //check motor control for power ,connections and wires are not damaged or disconnected===check seat track for debris or something stuck

Probably a faulty motor in the seat.
I hope I have been of help but please do not hesitate to ask if you have any further questions.
I appreciate your vote if you appreciate my reply.

First try as fallow, get in to the seat, then keep tight your foot on floor and give a good press backward to the seat and operate the seat switch towards back, just release and do it again keep going that way it will start to move back words, if it start to move do it few time and do it every time you get in to the car at least two time per day continue it for one week, It will be OK otherwise need chassis no for more information,

check fuse.if fuse is good check for power at seat motor.if yes replace seat motor.if no check wires at switch.if wires is not loose or broken seat motor switch could be bad.

replace your switch first. if that doesn't help, test your harness for the forward/reverse and see if it's getting power when you push the switch. if it is, your motor is out and needs to be replaced. most likely it's the switch.

you try moving your seat foreward when the car is on flat ground or when the rear is higher than the front.It also happen to my pajero fieldmaster

have you relaced the power seat switch? this is the most common cause of this problem, the next cause is a failed seat transmission.

You can move the drivers seat back by turning on the power, getting in the seat and position your feet firmly on the fron flor with your back firmly against he seatback, and then engage the switch pushing back - while pushing like hell with your feet. You can actually hear the seat drive shaft turning while the seat moves back. The principle should be the same for moving forward, but pressure would have to be aplide to the back of the seat.

is look like a fuse blowen you need to replace it look in the munual book

The reason is that your sliding grips have been slipped and therefore jammed at one position.

Remove the seat open it's sliding grips and replace it.