The Biggest Problem With Key Fob Repair Service And How To Fix It

· 6 min read
The Biggest Problem With Key Fob Repair Service And How To Fix It

Key Fob Repair Service

Key fobs take a beating. Buttons can become stuck or break depending on how they are stored and how much they are jostled.

Most key fob issues are simple to fix. Some key fob issues are more serious, and require expert assistance. This is where a locksmith can help.

Dead Fob Battery

Car key fobs have gotten quite intelligent, but it doesn't mean they can't sometimes get stuck in the "not responding" zone. It's time to replace your battery when this occurs. However, that's not always the solution to the issue, since you could also have an issue with one of the battery connector's terminals.

The car manufacturers are aware of the possibility of a problem, and they often include a mechanical key in the fob for use in the event of an emergency. To gain access to this, locate the small release switch or latch located behind the fob (check the user manual for details). By pressing this, you will be able to open the fob and access the physical key, which you can use to unlock your car.


Another indication that your fob's batteries are dying is that you have to be much closer to the car to open and lock it than before. The transmitter of the fob's transmitter loses power when the battery dies. This reduces its range.

It's relatively simple to replace the battery. You will need to purchase a button-cell battery (which resembles the size of a small silver coin) and follow the directions in the user's guide to remove the old battery. Replace the battery in the same way that the previous 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 placed correctly.

You can unlock some key fobs by looking for the latch, screw, or switch on the back and then prying the fob in two. Be careful not to break the fob since you'll require it to work with your vehicle! If you're not confident doing this yourself it's also possible to bring your fob to a professional. Since it's a common service that most auto shops will replace the battery on fobs for a minimal cost. Some dealers might even be willing to perform the swap for free, based on the model and year of your vehicle.

Fob not working

Replace the batteries in your key fob if it does not work. This is the fastest fix and is the most likely way to fix the problem. If your device is not working after a battery change it could be due damage or another issue that requires the attention of a professional.

Damage can occur to your car key fob for a variety of reasons, such as physical trauma, water exposure or a corroded circuit board. These issues may prevent your key from communicating with the vehicle's receiver which can then stop your car's doors and/or ignition from unlocking or even starting. If your fob has been damaged, it's likely you will need a professional to repair or replace the component or the entire device.

The buttons on your keychain might have worn out due to repeated use. The rubber may wear out and make the buttons less springy or 'clicky' and may begin to fail to detect your press accurately. You can try wiping down the buttons and adjusting them to see if that fixes the problem, but it's usually best to take the fob to be professionally evaluated for more thorough repairs.

Double check that the battery you're using is exactly right for your fob. You can find a list of acceptable batteries online or at most hardware stores, and you must always consult the owner's manual or engraving on the inside of the fob to determine the kind of battery it requires. A battery that isn't the perfect match may have problems transmitting strong signals or providing adequate power to the fob's internal components.

In very rare cases, it could be that the issue is not the key fob itself but rather with the vehicle's receiver or electronic components. You can test this by using the physical key to open the door and then trying to start your vehicle using the inductive backup system (if there is). If your key's physical counterpart does not allow you to start your car, make sure an expert check the electronic components and the receiver to ensure they are working properly.

Fob that is damaged

A key fob contains many parts that work together, and one failure can cause other parts to fail. If a keyfob stops working it's crucial to check for obvious causes like cracks in the casing or a broken 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 key fob is damaged, it's recommended to get a replacement from your dealership or an auto locksmith instead of trying to fix it. The fob may require reprogramming in the car this is something that can't usually be done at home, and requires specialized equipment for doing so.

Over time the contacts on the buttons of a key fob can wear out. This is particularly true if the device is dropped or left in hot weather.

In time, the internal wiring in a key fob can also wear down. It could result in a button that doesn't work when pressed, or is functional when it is pressed extremely hard. This can also result in the vehicle not being able to start or unlock when the fob is used.

Most key fobs come with an outer cover made of plastic that can be removed and cleaned safely by using soap and warm water. This can often restore a key fob to functioning properly and it's a good practice to clean it regularly to avoid dirt damaging the insides.

A bad battery is the main reason that the key fob won't turn on or work. The majority of car dealers and mechanics are able to replace the battery quickly. If you are confident in installing the battery yourself then you can buy the new one from a big-box store or a hardware store, and follow the directions on YouTube or in your owner's guide.

The worst-case scenario is that the key fob is damaged internal damage, for example cracks in the case, tiny electronic components that are not fully connected to the circuit board or corroded or bent battery contact points. If any of these is the scenario, it's a great idea to talk to an auto locksmith or the dealer for advice on a replacement as well as assistance to program it for your vehicle.

Fob isn't programming.

Car key fobs are a convenient feature that lets you unlock your car's doors and begin the engine. They can also cause frustration when they stop working or appear to work intermittently. In some cases, the issue is solved by replacing the battery. In other cases, it might require a more complicated repair. The first step is to identify the reason why the fob isn't working properly.

One of the most common reasons for a malfunctioning remote is that it no longer recognizes your vehicle. This is because the connection between the remote and your vehicle is broken. This connection can be restored without the need for costly  key fob repair .

If the key fob no longer sending a strong signal, other problems could be experienced. This could happen if the key is damaged or the battery is not functioning properly. In either case, you should try to resync your key with your car. You can do this by following the instructions included with the key fob. It's also a good idea to carry a spare key with you to utilize it in the event that the primary key isn't working.

The fob might not receive an adequate signal from the vehicle. This could be due to an insufficient battery in the car or interference from wireless devices or a problem with the antenna. With a remote tester, you can test the fob to determine if it's the issue. If the tester does not light up when one of the buttons is press, the battery might need to be replaced or the fob could be broken.

An immobilizer on your car may be preventing the fob from sending a clear signal. This can occur in the event that your key fob isn't been properly programmed or there's a software issue.

If you can't fix the fob or it's not worth the effort to repair it, you should buy the new one. You can find affordable options from many online retailers, and some of these can be delivered directly to your door.