DualShock 3

Problem Description	Symptoms	Solution	Source
Stick Drift		- There are two “pots” on either side of the joysticks that should be cleaned first as they can be the cause. - If cleaning does not work, the joystick will need replaced.	Source
Various buttons randomly triggering.		- Clean the contact pins on the flex cable for the buttons. - If the issue persists, you may need to replace either the cable or daughterboard.	Source