The washer overflows when set on super in the wash cycle, what can cause this?

Sounds like a lid switch

could be a control board problem
call in a technician for a proper diagnosis of the fault

On this model of washer you have 4 separate components that could cause overflowing. The water valve, pressure switch, pressure switch hose & the air dome. If you have to turn the water off to prevent overflowing, I would recommend replacing the water valve. If you can turn the timer off & the water stops overflowing, I would recommend checking the pressure switch, hose & air dome.

The brakes are not holding. The only fix to this is to replace the transmission. This page will help http://appliance-repair-it.com/GE-washer-disassembly.html

I have a 2005 model GE washer that would overfill only on SUPER size load. After looking around on the web, then inside the machine, I checked the tube from the tub to the switch, no problem there. Then I found an adjustment screw on the load size selector / pressure switch (all one piece). I moved it one turn clockwise, then ran a test cycle. I got lucky on the first try... no more overflow, the water comes up just above the top holes in the tub. I hope this will help others.

I had the same problem, you need to turn the washing machine on it's side and look for a pin hole leak in the seam of the plastic holding drum on the bottom. I used a silicone sealant, "GOOP" , let it dry for 1 day and problem solved. It has not leaked in two years. good luck!

feel in the back of your outter tub towards the top and chances are you will find a hole ge's love doing this if it is not under warranty you can repair with some JB weld with out replacing the tub

it overflows from the tub then:
This can either be a fault in the fill sense tube( small tube connected to the bottom on the outer tub from the sensor at or near the top of the washer housing ) becoming blocked or broken or a fault with the sensor itself. There is a mechanical adjustment for the level but it is a little fiddly to get the adjustment just right.

If it overfills from the drain hose:
then either the drain hose is too low and the water siphons out before it reaches the maximum or there is a tight seal at the drain hose to house drain port which will cause all the water to siphon out, this can also be caused by a drain hose being pushed too far down the house drain port.

Check and ensure that the tubes and passages to the water level pressure sensor are not blocked by caked detergent, lint , etc.
( this may have caused the water overflow in the first place)
clean up the internal parts that are wetted by the overflow.

clean the door lock mechanism. ( this normally works on a temperature delay mechanism, if cleaning does not work, replace)

all the above done with the power unplugged and water inlets unplugged , of course

take the hose off at the pressure switch and blow through it if there are no restrictions then you have a faulty pressure switch let me know how you make out