5 Laws Everyone Working In Remote Key Fob Repair Should Know

· 5 min read
5 Laws Everyone Working In Remote Key Fob Repair Should Know

Remote Key Fob Repairs You Can Do at Home

You may be tempted, when your remote key fob doesn't working and you are unable to use it, to take it to the dealership to have it changed. Try a few fixes at your home.

Start with a replacement battery. Flat-watch-style batteries are affordable and easy to find at hardware stores. Look over the key fob to find worn buttons or those that are not in the right place.

Dead Battery


The key fob is an electronic device that makes it simple to lock or unlock your vehicle. It utilizes a short-range radio transmitter to send distinct codes to the receiver within your vehicle. Key fob batteries typically last for a long time, but they may end up dying at any time. It is easy to determine if the battery has been drained by looking at the LED light or trying to press one of the buttons. If the key fob doesn't respond it means the battery has failed and must be replaced.

It's simple and quick to change the battery in your key fob. It's usually opening the fob and taking out the old battery before inserting a new one. Fobs have tiny batteries, similar to those found in watches or hearing aids which are sold at general stores and home improvement stores. They're typically shaped like tiny coins with plus and minus symbols on the bottom. Refer to the owner's guide or the label on your key fob if you aren't sure which batteries your key fob is using.

Your key fob should function normally. If it does not it could be due to a different issue with your vehicle or the system that is causing the fob not to work properly. If this is the situation, you'll need to get roadside assistance to help with the issue.

You could be able to purchase replacement keys through a dealer or online, based on the make and models of your vehicle. Buying a new fob is the most efficient option, since it will save you time and money as opposed to fixing a broken one on your own.

Buttons Are Unresponsive

If you have been driving your car for a while, and you notice that the buttons on your keys are not functioning, it could be an issue with worn button sensors. The buttons made of rubber on a majority of fobs will wear down with time. This may cause them to work correctly if pushed in a certain way or when pressure is high. This is a common issue for a lot of fobs and can be easily fixable with a few DIY steps.

The fob transmits an unlocking signal to the car's receiver. If the receiver is damaged, it may not receive the signal, and the key won't be able to open or start your car. This issue can be solved by having a mechanic look over the receiver to determine if there is damage. This service is typically cost-free or just little, depending on the car's model.

The key fobs used daily get lots of use and are often found in purses and pockets, so it is no surprise that they can sometimes become finicky and only function properly if they are placed in a specific way. It is not difficult to fix most fobs since the buttons can be strengthened with silicone and a little bit of effort.

To enable the buttons again, first press and hold the lock and unlock buttons on your key fob until you hear a sound in your vehicle. It is necessary to do this multiple times to get the button to activate. Then, you'll need to cycle your key into and out of the ignition in your car a few more times to reset the connection between the fob and your car. Once the connection has been restored, you are able to remove the key from the ignition and then unlock your car using the remote. Repeat the process as necessary to ensure that your fob is functioning again. If you are not able to fix the fob following this procedure, it may need to be replaced entirely. If you decide to replace the fob, be sure it's programmed for your vehicle's model and make.

Keychain Loop Breaks

If the key fob's plastic keychain loop gets damaged it will separate from your keys and no longer be used to lock or unlock your car. Replacing the loop on your keychain is a simple solution.

Key fobs may also fail because of water or moisture damage. The signs include a decreased range of operation, or no function at any time. Drying the key fob and replacing the battery may fix the issue, but sometimes professional repair or replacement is necessary.

Over time the buttons on key fobs can wear out and become less responsive or ineffective. It could be necessary to replace the key fob's button or case, but reprogramming can often solve the issue. Sometimes, signal interference from nearby electronic devices can affect the connection between the key fob and the vehicle, leading to problems with locking or unlocking. It may be necessary to conduct a diagnostic test at the dealership to troubleshoot. This is typically the case with older electric keys that use infrared signals for operation and require a line-of-sight. Modern microchip keys communicate with your vehicle using the challenge-response method of authorization via radio frequency.

Pairings that are lost or corrupted

Over time keysfob batteries deplete power. If the battery has lost a significant amount of its charge, the remote may no longer respond to commands.  she said  of the battery is usually enough to solve the issue, but you may also need to change the programming of the remote.

Key fobs used in modern cars can be used to control a variety of functions. They can adjust the height of windows, turn off alarms, switch on interior lights, and even start certain cars. It is possible for owners to press the wrong buttons by accident. Keep the owner's manual close to hand when using your key fob to quickly refer to the sections that address the features of your car.

Another reason that causes a fob's malfunctioning is that the remote's signal has been corrupted or gone missing. Certain of the latest key fobs use sophisticated encryption technology to prevent thieves from intercepting the signals and creating unauthorized key fobs or remotes which can unlock your vehicle. You'll likely need to visit an auto locksmith or dealer in order to re-program your fob and restore its function.

Some automakers offer their own instructions for reprogramming key fobs. In most cases, these processes are easy enough to be performed at home. However, this is not the best option for people who have no prior electronic experience. This type of work is best left to experts.

Key fobs are subject to wear and tear if they're frequently handled and used. The buttons on a fob can get jostled around, and the case could break or crack. It is important to have an extra key fob with at all times because it will help you save time and hassle when your remote fails to work when you are out and out and about. Keep it close to your bed at all times, so you can use the panic button in the event that you hear noises during the night.