Why Does My Key Fob Unlock But Not Lock?

Published date:

2022-09-19
Score: 4.3/5 (34 votes)

Are you searching for an answer to the question: Why does my key fob unlock but not lock? On this page, we've collected the most accurate and complete information to ensure that you have all of the answers you need. So keep reading!

The key fob battery is dead: This is one of the most common reasons why your car door lock is not working. If your locks aren't working, replacing the battery in the key fob could solve the issue. The key fob is faulty: If the battery isn't the problem, the issue may be with the fob itself.

You may wonder, why is the lock button on my key fob not working? If nothing happens when you press the unlock button on your remote entry key fob, and you have tried a replacing the battery inside the fob, your either have a bad fob or a fault in the keyless entry system or power door locks.

Similarly one may ask, why is my key not locking the door? If your key doesn't turn in the lock, the problem may just be a poorly cut key. Test the lock with a key that was cut at a different time to be sure. If the key isn't the problem, try lubricating the lock using powdered graphite or a silicone-based lubricant.

Besides above, how do you reset a key fob lock? Follow these steps to program a key fob at home:

  • Replace the Key Fob Batteries. ...
  • Get inside the car. ...
  • Turn on the ignition. ...
  • Press the lock button on the remote key. ...
  • Listen for a Lock Sound. ...
  • Program Additional Remotes. ...
  • Turn off the ignition. ...
  • Get out of the car and test the result.
  • Likewise, why does my key fob only work sometimes? Sometimes your remote only works intermittently. This is usually a sign the battery is running low and needs to be replaced, so start by replacing the battery.


    Do I have to reprogram my key fob if I change the battery?

    Typically, you do not need to reprogram the key fob after changing the battery. However, if you've replaced not just the batteries but also some of the internal wiring and electronics, you may need to reprogram it by pairing it with your vehicle once again.

    How much does it cost to reprogram a key fob?

    between $50 and $250Several factors determine the cost to reprogram a fob. While it's hard to give a universal estimate, the general cost is between $50 and $250 for reprogramming.

    What can interfere with key fob signal?

    While Wi-Fi routers typically operate in the 2.4GHz radio band, as opposed to the 315MHz and 433.92MHz bands that car remotes operate in, they can still generate harmonic interference and even unintentional interference due to poor shielding or wiring. And so can a whole host of other wireless devices.

    Why won't my key fob work with a new battery?

    The most likely reason for a key fob not working is a dead battery. That being said, there are more severe problems your keyfob may be experiencing. If you have a key fob not working after a battery change, you may need key fob replacement or even some form of car door lock repair.

    How long does a key fob battery last?

    between three and four yearsTypically, a car fob battery should last between three and four years. Additionally, there are a number of signs that will tell you when your fob battery is dying. The first sign is reduced signal strength. Most modern fobs can send a signal to your vehicle from up to 50 feet away.

    Does a dead car battery affect the key fob?

    No if your car battery is dead then the electric key clicker will not work. However, most fob keys come with a backup plan. Whether you drive an electric car or a gas-powered car, every vehicle comes with a 12-volt battery which helps power the headlights, locking system and helps the car to start.

    Can I reprogram my key fob myself?

    Depending on the age and model of your car, you may be able to program a replacement yourself. The procedure for do-it-yourself key fob programming can vary: Some automakers provide instructions in their owner's manuals. Information can be found in many cases on the internet.

    How do I program my key fob for keyless entry?

    To program your keyless-entry remote, press and hold the "LOCK" and "UNLOCK" buttons on the key fob simultaneously until the locks cycle once more. This could take up to 30 seconds, so be patient.

    How do you reprogram a key fob with a push button start?

    Programming a Push-Button Starter

  • With the fob in your hand, get into the driver's seat, closing the door behind you. ...
  • When you're ready, press your car's start button 15 times in quick succession, with no more than two seconds between each attempt. ...
  • After the 15th button press, push the lock button on your fob.
  • How do I know if my key fob is bad?

    Listed below are a few of these symptoms that will alert you that it's probably time to replace your fob battery.

  • Reduced signal strength. Most of today's fob keys will send a signal to the vehicle up to 50 feet in many cases. ...
  • Multiple clicks needed to unlock the doors. ...
  • The key fob does not work consistently.
  • Does AutoZone reprogram key fobs?

    AutoZone provides a variety of key fobs that work for most vehicle makes, and they will help you match and program your fob to your car. Key fobs can range from $20 to $400 depending on the vehicle and the type of fob you buy.

    Why does my key fob not work after replacing battery?

    There is a high chance that a car remote has been reset during the battery change. The key fob can also reset when you press certain buttons. So, more than one key fob not working is a good signal that the car key remote has been reset.


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