Liberty Sport 06, when I press set speed, jeep accelerates and will not stop doing so unless I press cancel or tap brake pedel or shut cruise off. When it is accelerating if I press decel, it will keep accelerating. No check engine lite on. Checked vacuum system, it is ok.
I would lean towards the switches initially... they are a variable resistance in operation so each operation has a set value, if you have a button sticking or excessive reistance in a connection causing one switch to perform another switches function you can have weird things happen. but its hard to say for sure without having the scan tool on it.
2005 Jeep Grand Cherokee - Gone but not forgotten!