Keyless stopped working!

[AmigaJoe]

Only had the car a month and yesterday the remote no longer unlocks it. How will I get inside?!
Haha. But seriously. Only 1 of the 2 they gave me worked in the first place, I assumed it had a dead batt. but after trying a new batt in both and neither works there must be another problem. Someone told me theirs had to be re-programmed at the dealer (Jeep G. Cherokee) but my owners manual just says replace the batt so I guess that's not the issue? Anything else I can check before I grab the KY and take it to a dealer. I got the car from a little mom-and-pop lot and the warranty is drivetrain only so they're not helping...

 

[melsg5]

If you get a new remote it has to be programmed, the existing remote should not have to be reprogrammed. Have you tested the new battery with a voltmeter?

 

[AmigaJoe]

-Took the batt back to Radio Shack and had it tested. The issue is I'm worried the remote isn't the problem. Why would it just stop working?

 

[motorfingers]

Sometimes the contacts for the buttons get dirty. Pop it open and take out the battery, and see if it's clean in there. If there is oil or dirt, *very* carefully clean it out with a Q-tip. If you use a cleaner, use an electronics parts cleaner from Radio Shack or a reliable source of electronics or computer supplies. In particular look at the places on the PC board where the buttons contact it. Do NOT use a pencil eraser because it will abrade away the contacts.