I have a key fob from another jeep I owned can that be programmed to my current jeep
No! Your jeep has a different key code. If you lost your master key purchase a new blank key (dealer or internet) and bring it to a locksmith to cut it for you. Make sure to have your key code number before cutting that key. If you don't know your key code go to dealership and ask with the proof of ownership. Lastly, you need to reprogram your key in your jeeep after cutting to be able to use.
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