Key Fob Repair Service
Key fobs can be subjected to a lot of abuse. Buttons can become stuck or break, depending on how they are stored and how they are tossed around.
Most key fob issues are simple to fix. Certain issues with key fobs are more serious and require assistance from a professional. This is where a locksmith can come in handy.
Dead Fob Battery
Car key fobs are pretty smart however, that doesn't mean they don't sometimes get stuck in the "not responding" zone. When remote key fob repair happens, it's usually time to replace the battery. However, this doesn't always fix the issue, since you may also have a bad connection on one of the battery connector terminals.
The car manufacturers are aware of this issue, so they usually put a spare mechanical key inside the fob for just such an emergency. To access this, you can find the small release switch or latch on the back of the fob (check the user's manual for details). Pressing this will allow you to unlock the fob, and then gain access to an actual key that you can use to unlock your vehicle.
You'll also need to be nearer to your vehicle in order to lock and unlock it. The transmitter of the fob loses power when its battery dies. This limits its range.
It's fairly easy to replace the battery. Make sure you purchase the button cell battery (which looks like tiny silver coins) to replace your fob, and follow the user's manual or video instructions on how to remove the old battery. Replace the battery in the same direction as the old one (the positive side facing upwards toward the buttons). Test the lock/unlock, and start functions of the fob after reassembling it. This will ensure that the new battery is installed correctly.
You can access key fobs by finding the latch, screw, or switch on the back and prying the fob in two. You'll need the fob to work with your vehicle, so be careful not to cause damage! If you're not confident in doing this yourself it's also possible to bring your key fob to a professional. Because it's a standard procedure the majority of auto shops will swap the battery in the fob for a small fee. Some dealers may even be willing to perform the swap for free, based on the model and brand of your car.
Fob Is Not Working
The first thing to do in the event that your key fob doesn't seem to be working is to replace the batteries. This is the quickest fix and most likely what will fix the problem. If your fob is still not working after a change of battery, it could be due damage or another issue that requires the attention of a professional.
The damage to the car key fob for many reasons, including physical trauma, exposure to water or a corroded circuit board. These problems can prevent your key from sending a signal to your receiver in your vehicle, which will stop your car's ignition or doors from unlocking. It is possible that you will need to have a professional replace the fob if it's damaged.
Similarly, the buttons on your device could have become worn out over time with repeated use. The rubber can wear away, making the buttons less 'clicky' or springy. They may also cease to register your presses. Try wiping the buttons and then adjusting them to see if that fixes the issue however, it's best to take the fob to a professional assessed for more extensive repairs.
Double check that the battery you're using is compatible with your fob. You can find a list with acceptable batteries online or at many hardware stores, and you must always refer to your owner's manual or engraving on the inside of your fob to determine what kind of battery it requires. A battery that isn't a perfect match can have issues transmitting strong signals or supplying enough power to the fob's internal components.
In very rare cases, it could be that the issue is not with your key fob but rather the vehicle's receiver or electronic components. You can test this by using a physical key to open the door and then trying to start your car with the inductive backup system (if there is). If your key's physical counterpart does not open or start your car, make sure a mechanic inspect the receiver and electronic components to make sure they're functioning properly.
Fob Damaged
A key fob is comprised of a variety of parts and a single malfunction could cause other parts to fail. If a key fob ceases functioning, it's vital to determine whether there's a cause obvious like a damaged or cracked case, or a damaged internal component. Examine the horn, lights and other components of the vehicle to ensure that they are functioning correctly.
If the key fob is damaged, it's best to obtain a replacement from your dealer or an auto locksmith instead of attempting to repair it. It might be necessary to reprogram the fob to the car. This isn't something you can do at home, and requires specialized equipment.
Over time the contacts on the buttons of a key fob can wear out. This is more likely if you drop the fob or leave it in hot weather.
The internal wiring of a key fob may also become worn out over time. It can lead to a button that doesn't work when pressed, or only can be used when pressed extremely strongly. It could also result in the car not opening or locking when the fob is pressed.
Most fobs come with an outer cover made of plastic that can be opened and cleaned using water and soap. This is often able to help restore a key fob's functioning properly and it's a good practice to clean it regularly to avoid dirt damaging the insides.
A bad battery is usually the reason for a key fob to not turn on or work. Many mechanics and car dealers can replace the batteries quickly, but if you feel at ease doing it yourself you can purchase a new battery from a hardware store or big-box retailer and follow instructions in the owner's manual or on YouTube to install it.
The most likely scenario is that your key fob has internal damages, such as cracks or tiny electronic components that are not completely connected to the circuit boards, or bent and corroded contact points for batteries. If any of these are the situation, it's a good idea to talk to an auto locksmith or dealer for advice for a replacement and assistance in programming it to your vehicle.
Fob Isn't Programming
The car key fob is a convenient method to start your engine and unlock the doors of your vehicle. They can also be a source of frustration when they stop working or appear to be working intermittently. In some instances, the issue can be resolved by replacing the battery. In other situations it may require a more complex repair. The first step is to identify why the fob isn't functioning correctly.
One of the most common reasons for a malfunctioning fob is that it is no longer able to recognize your vehicle. This happens if the connection between the remote and your vehicle is broken. The connection can be restored without the need for costly key fob repair.
Other issues can occur when the key fob no longer sends an energizing signal. This could happen if the key has been damaged or the battery is not functioning properly. In either case, try to reconnect your key to your vehicle. This can be done by following the directions included with the key fob. You should also carry a spare car key in case your primary key is lost.
It's also possible that the fob isn't getting the signal sufficiently strong from the car. This can be due to a weak battery in the car, interference from wireless devices or an antenna issue. Using a remote tester, you can test the fob and determine if it's the problem. If the tester doesn't light up when you press any of the buttons, it may be because the battery needs to be replaced or that the fob has broken.
Another possible reason for the fob not sending the right signal is that the immobilizer system in your car is hindering it from sending a strong signal. This could be the case if your key fob hasn't been programmed correctly, or if you have a software issue.
If you're not able to troubleshoot the problem or it's not worth the hassle of trying to repair the fob, you should think about buying a new one. Many online retailers offer low-cost options and some can be delivered to your residence.