bad sensor module, cost you around $400.
The dealer scan tool is required.
your ket fab remonte may be broken or it is in valet mode depending on how old it is the remote mat be pooched
Replaced the battery in the remote.
If the remote car starter stopped working after a new battery was installed in the remote, the remote needs to be reprogrammed. If the remote starter stopped working after a new battery was installed in the vehicle, the computer might need to be reset by disconnecting the battery for a few minutes.
The blade is probably loose or broken or the battery stopped working or the rotator stopped. It really depends on what kind you have.
The keyless lock might stop working on your Mitsubishi Lancer because the battery is dead or because there is a problem with the wiring. You might also have a problem if the brain or computer of the vehicle is damaged.
Dead battery. Broken solder joints. Limited to NO contact with remote buttons to circuit board.
Replace the battery in the remote
If your tablet pen stopped working, it could be due to a dead battery, a loose connection, or a malfunction in the pen itself. Try replacing the battery, reconnecting the pen, or troubleshooting the pen with the device's manufacturer for further assistance.
check the alternator
It's not that the key fob stopped working, but, if your car battery is dead, it's the car that has no power to pop the door locks.
Check fuses