If the key will not work in the door or the liftgate, you will need to call a locksmith or break a window.
replaced battery and now remote doesnt work . how do you reprogram remote
if replacing the battery doesnt fix it.
Possible weak battery in the remote.
Your keyless remote might not work for your 2002 Chevy Tahoe because the battery in the remote is dead. You can replace this battery by prying the remote cover off of the back of the remote or by removing the screws holding the cover closed.
You do not have to reset the keyless remote after battery replacement.
Open the keyless remote and you will see the battery take it out and replace it with the same size.
Sounds like the contacts are still touching some how. Take the keyless apart and spray electronics contact type spray on the contacts and the points where the battery connects to see if this will help. Are you using a brand battery or a cheap-o?
the dealer does it with a scan tool
Cut open the remote with xacto knife , unsolder and replace the battery.
Replaced the battery in the remote.
No.
I had the same problem. Google "keyless entry remote 2003 Jeep Grand Cherokee".