Key Fob Repair Service
Key fobs are subjected to many abuse. Depending on how they're kept and how often they are moved around, their buttons could become stuck or broken.
Luckily, most key fob issues are relatively easy to resolve. However, some issues are more serious and require assistance from a professional. This is where locksmiths be of assistance.
Dead Fob Battery
Car key fobs have gotten pretty smart however, it doesn't mean they can't occasionally get stuck in the "not responding" zone. It's time to replace your battery when this happens. But that doesn't always solve the issue, as you may also have a problem with the connection on one of the battery connector's terminals.
Automobile manufacturers are aware of this potential issue, so they usually install a spare mechanical key inside the fob for just this kind of emergency. To gain access to this, locate the small release switch or latch on the back of the fob (check the user manual for details). Pressing this button, you can open the fob to reveal a physical key you can use to unlock the car.
You'll also need to be closer to your car to lock and unlock it. The transmitter of the fob is depleted in power when its battery dies. This limits its range.
The replacement of the battery is simple and fairly inexpensive. You'll need the button-cell battery (which resembles the size of a small silver coin) and then follow the instructions in the user's manual to take out the old battery. Replace the battery in the same way as the original one (the positive side facing upwards toward the buttons). Test the lock/unlock function, and start functions of the fob after reassembling it. Make sure the battery has been installed correctly.
Certain key fobs may be a little tricky to open, but you should be able to do it by finding the latch, switch or screw on the back of the fob, and then tearing it apart. You'll need the fob to work with your vehicle, so be careful not to damage it! You can also take the fob to a professional should you feel uncomfortable making the change yourself. Most auto shops will swap batteries for fobs for a nominal fee, since it's such an everyday repair service. Some dealers will even be willing to perform the swap for free, based on the model and make of your vehicle.
Fob not working
Replace the batteries if your key fob does not work. This is the most efficient solution and will most likely fix the issue. If your device is not functioning after a battery change, it could be due damage or another issue that requires attention from a professional.
Damage can happen to your car's key fob for many reasons, including physical trauma, water exposure, or a corroded circuit board. These issues can prevent your key from sending a signal to the vehicle's receiver, which then prevents your car's doors or ignition from locking or starting. If your fob has been damaged, it's likely that you'll require a professional to replace the component or the entire device.
In the same way, the buttons on your device could have become worn out with repeated use. The rubber can wear away and cause the buttons to become less springy or 'clicky' and may begin to fail to detect your pressing accurately. You may try wiping them down and adjusting them, however, it is generally recommended to get the fob examined by a professional for more extensive repairs.
Check that the battery you are using is compatible with your fob. You can find a list online or in a majority of hardware stores. Consult your owner's guide or the engraving on your fob for further details. A battery that isn't a perfect match can have issues transmitting strong signals or providing adequate power to the internal components of the fob.
In rare cases it could be a problem in the vehicle's electronic parts or receiver. If on the main page have an inductive backup system and you want to test it, you can do so by opening the door with a physical key and then beginning the car using the inductive backup (if available). If your physical key does not allow you to start your car, you should have a mechanic check the receiver and electronic components to ensure they're functioning properly.
Fob is damaged
A key fob is made up of many components and a single malfunction could cause other components to fail. When a key fob stops functioning, it is important to determine whether there's a clear cause like a cracked case or a broken internal component. It's also essential to examine other areas of the vehicle like the horn and lights to see whether they're working as expected.
If the fob for your key is damaged, it's recommended to obtain a replacement from your dealer or an auto locksmith rather than trying to repair it. It may be necessary to reprogramme the fob for the car. This is not something you can do at home and requires specialized equipment.
The buttons on a key fob use contacts to transmit signals to the circuit board of the key fob however, these contacts will wear down over time. This is particularly true if the device is dropped or left in hot weather.
As remote key fob repair passes the internal wiring inside a key fob can also wear down. This can result in the button not working when pressed, or only can be used when pressed extremely strongly. It could also result in the car not being able to start or unlock once the fob has been used.
Most fobs come with a plastic cover which can be loosened and safely cleaned with water and soap. This is a great way to bring a fob back to its original function and it's a good practice to clean it often to prevent dirt from harming the insides.
A damaged battery is the primary reason why the key fob will not start or function. The majority of mechanics and car dealers are able to replace the batteries in a short time however, if you're comfortable doing it yourself, you can buy a battery at a hardware store or big-box retailer and follow instructions in your owner's manual or on YouTube to install it.
The most likely scenario is that your key fob has internal damage, such as cracks small electronic components that aren't fully attached to the circuit boards or corroded and bent battery contact points. If any of these is the situation, it's a good idea to consult with an auto locksmith or the dealer for advice on a replacement as well as assistance in programming it for your vehicle.
Fob Is Not Programming
Car key fobs are a convenient option that lets you unlock your car's doors and then start the engine. When they stop working, or fail to function, they can be quite frustrating. In some instances, the issue can be solved by replacing the battery. In other circumstances, it could require a more complex repair. The first step is to identify the reason for why the fob isn't functioning properly.
The most frequent reason for a fob not working is that it doesn't recognize your vehicle. This can happen when the connection between your remote and the car is damaged. It is possible to reset the connection without having to call an repair service for your key fob.
If the key fob not sending a strong signal, other problems could occur. This could be the result of a key is damaged or the battery is dead. In either case, you should try to reconnect the key to your vehicle. This can be done by following the instructions on the key fob. It's also an excellent idea to keep a spare key with you in case you need to make use of it in the case that your primary key isn't working.
The fob might not receive an adequate signal from the vehicle. This could be caused by a weak car battery, interference from wireless devices, or an antenna issue. By using a remote tester you can test the fob to determine if it's the issue. If the tester does not blink when you press one of the buttons, it may be a sign that the battery is in need of replacement or the fob is broken.
Another reason that a fob not sending an adequate signal is that the car's immobilizer system is preventing it from doing so. This could happen if the fob isn't properly programmed to your vehicle, or it's a software problem.
If you aren't able to resolve the issue, or it's not worth the hassle of trying to repair the fob, then you should think about buying a new one. You can find low-cost options from many online retailers, and some of these are even delivered to your door.