Warning Signs Your Keyless Entry Transmitter is Failing
- The buttons on your key fob might not work every time you press them.
- You have to get closer and closer to your car for the key fob to work.
- The key fob only works sometimes, and other times it doesn't work at all.
- Your car alarm goes off randomly.
- Your car won't unlock or lock using the key fob.
How to Test if This Part is the Problem
- Check the battery: The first thing to do is replace the battery in your key fob with a new one. A weak battery is a common cause of key fob problems.
- Try your spare key fob: If you have a spare key fob, see if it works. If the spare works fine, then the original key fob is likely the problem.
- Check the car battery: A weak car battery can sometimes cause problems with the keyless entry system.
- Have it diagnosed: If you've tried these steps and the key fob still isn't working, a professional mechanic can diagnose the problem further. They can use special tools to check the key fob and the car's receiver.
Common Failure Causes for This Part
- Dead battery: The most common reason a key fob stops working is a dead battery.
- Water damage: Getting the key fob wet can damage the internal components.
- Physical damage: Dropping the key fob can break the internal components.
- Wear and tear: Over time, the buttons and other parts of the key fob can wear out.
- Programming issues: Sometimes the key fob needs to be reprogrammed to work with the car.