Has anyone else had issues with their Gen2 controllers? Is there a fix?
Try calibrating it
20 charrrrr
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That temp fixes it for some, not for others
I honestly keep losing my Gen2 controller, so I just use a Gen1. To me Gen1 controllers work better, but they are a little more sensitive. I have a Gen2 brain and have never had issues with controller drift with a Gen1 controller.
Also, it could just be something wrong with your specific controller itself, or maybe even the brain (wild theory, I’m practically thinking out loud). I’m assuming you have a Gen2 brain to go with the Gen2 controller (in which case I’d switch out the brain or the controller to see which one has issues), but if you happen to have a Gen1 brain, switch to a Gen1 controller and use a tether cable. (Link to the cable: Tether Cable - Vex IQ Gen 1 ) Again, assuming you don’t have a Gen1 brain, this is completely irrelevant and you don’t have to worry.
Like, @Penguin1 said, calibration works, but like you said, it doesn’t work for you. Do you have a temporary fix for it as of now? (I just want to know generally because why not)
And I have to finish off with the signature “Please call Vex Support if any of those aren’t working”.
I’ll let you know if I do think of anything else though; it’s late and my brain cells disappear off to the shadow realm at 11 PM. 
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Like @dabigman and @Penguin1 try calibrating it or calling Vex Support. Have you dropped the controller frequently, maybe some internal piece snapped? If there is more information I will try to help.
I have the roboters do the full roll before they do the calibration.
Joystick off. Rotate the joysticks around in a circle 5 times in a clockwise direction, then roll them around in an anticlockwise direction. You want to do rotations about 1 full revolution every 2 seconds. Make full solid circles. Goal is to free up and dislodge dust, dirt, hair, dead skin, bug shells, etc from the controls.
Now do the controller calibration, one clockwise, one anti clockwise, then repeat until 5 passes. Remember to SAVE the calibration.
You didn’t say if you are programming your robot, if it still drifts after doing the calibration, can you please post your code? Thanks!
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