15 Things You Didn't Know About Key Fob Repair

· 6 min read
15 Things You Didn't Know About Key Fob Repair

Key Fob Repair Service - 5 Common Reasons Your Key Fob Won't Work

It can be a traumatic experience when your key fob malfunctions. Fortunately, the majority of fob problems aren't major or difficult and can be resolved at home or with an auto locksmith close to you.

The first step is to examine the key fob for physical damage as well as dead batteries. You can then reset the fob by following the instructions in your owner’s manual.

Dead Key Fob Batteries

With a key fob, you can open and start your vehicle without fumbling around with your keys. A lot of models unlock doors, hatchbacks, and trunks by pressing a button. While the battery for your key fob has died could be a huge issue, it's actually just one of the most simple issues to fix. Most car owners know that they can visit a dealer or repair shop to get help but did you know that you could also try to fix your own fob yourself at home?

First, you'll need a brand new CR2032. You can buy them in a multipack from most hardware stores. Then you can use an flathead screwdriver or watch to pry the case of the fob. Once you've opened the first gap, you can employ your pry tool to open the case. It's best to be gentle, as you don't want breaking the case of the fob, or the circuit board within.

Insert the new battery under the tabs that are marked with yellow arrows on this image. Make sure it goes in between the two smaller tabs highlighted by green arrows. Once the new battery has been put installed, close your key fob and try it. If it's still not working, it might be the time to speak with an expert for more detailed troubleshooting.

In rare cases replacing a battery on a keyfob may result in a device that isn't functioning. In this instance there's probably a problem with the vehicle or the fob. It's a good idea keep a spare key fob on hand so you can be prepared when the original battery dies or another problem strikes.

In addition to battery replacement, you can ask an expert to examine and make any other key fob repairs. They can inspect for damaged buttons, contacts, and other parts. They can also perform reprogramming or synchronization, when your vehicle is experiencing difficulties communicating with your key fob.

Key Fob Battery Damage

The majority of key fobs are powered by a tiny battery, which powers the internal components. This includes the buttons that turn on the antenna and chip to release the radio frequency. The battery also powers plastic casings that protect the components. If the battery fails and your key fob stops working, it will not work. The solution is simple and cost-effective: replace the battery. In their owner's manual, many manufacturers provide instructions on how to replace the key fob's battery. It's not difficult and you'll save money by doing it yourself instead of taking the fob to a dealership or auto shop.

If your key fob is still not working after replacing the battery, you may have another issue. Examine the key fob for indications of physical damage, for example cracks or dents. You can also look inside the case to check the circuit board for signs of corrosion or other issues. If you are comfortable, you can make use of a cotton ball that has been coated with rubbing alcohol to clean contact points on the circuit board of the key fob. This will eliminate the corrosion without damaging the fob.

The key fobs also need to be programmed so that they can connect to the vehicle receiver. This is done to ensure that only persons with keys for the same vehicle are able to unlock the car and to keep other key fobs out of trying to gain access to vehicles they are not intended for. If you've recently had a key fob repaired or replaced or when it hasn't used for some time, the transmitter and receiver may have become disconnected.

An effective way to test this is by using an extra key fob you have. This will inform you whether the issue is with the key fob or your vehicle's electrical system. A mechanic can assist you to solve the issue by reconnecting any wires that are disconnected. Try connecting the key fob with a different receiver and try to determine if this solves the issue. If you're not able to do this, you might need to bring your key fob into a car dealer or auto repair shop for more in-depth repairs.

Key Fob Transmitter Damaged

If your car key fob stops working, it can be a major inconvenience. The majority of car key fobs can be repairable by following a few simple guidelines. Check the fob to determine whether it's suffering from physical damage, and ensure that it is not just dead. A new battery might be all you need however, if it fails to fix the problem, there could be a larger issue with the fob's transmitter.

It's not a surprise that car key fobs wear down with time. They are made up of many moving parts. A damaged transmitter could stop you from opening the car's doors or starting it. its doors. A damaged transmitter may also affect radio signals that are sent from your key fob to the receiver in the car. Bring your key fob to a mechanic for repair and inspection if you suspect that the transmitter is damaged.

One of the most frequent reasons that a key fob ceases working is that its batteries are dying. Key fob batteries typically last between three and five years, which is why it's a good idea purchase fresh ones on a regular basis.

The majority of people can change the battery on the key fob at home. You'll require an flat-head screwdriver to open the case open. Once you have it opened, you'll be able to replace the old battery. The majority of key fobs are powered by 3V button cells, which are available at most auto parts shops.

A damaged receiver may be the reason behind your key fob not responding. This can be a very frustrating issue and usually occurs when you're driving. If you notice that your key fob doesn't receive a signal from the vehicle, try placing it inside the driver's door lock.

repair car key remote  damaged receiver can cause your key fob to behave erratically. For instance it may lock or turn off the vehicle when you push one of its buttons. If you have an extra key fob, you can try using it to see if it is able to respond to the vehicle's commands. If you don't have a spare key fob, you can call your dealer for service. In certain cases an auto dealership may be able to offer an alternative for free if your current fob is under warranty.

Damaged key fob receiver

Key fobs can have several issues. They are useful tools that allow us to lock or unlock, as well as start our cars. If your remote key fob for your car isn't working correctly it's likely that you need to contact a locksmith auto dealer. Many common key fob problems are easily fixable without the need to purchase an expensive replacement. Here are the five most commonly-cited reasons your key fob might not be responding:

Key Fob Needs Re-Programming

Over time, the key fob transmitter and receiver may become out of sync with one the other. To fix this issue you'll need to sync your key fob and receiver following the reprogramming directions for your vehicle. These instructions are available in your owner's manual or you can ask your local dealer to help you.

If reprogramming your keyfob can not resolve the issue, there might be a problem or an interference with your receiver or keyfob. Luckily, this is often simple to fix by opening your key fob to get a closer inspection of the inside. Look for indications of damage such as cracks in the circuit board, teeny electronic components that aren't connected to the circuit board, or bent or damaged battery contacts. If you spot any of these, you can repair your key fob by replacing damaged components.


The best solution for you is based on your budget and ease of use. However, if your key fob has been damaged or dropped, or has been subjected to other forms of physical damage it could be simpler and less expensive to have it replaced by an expert. In any case, you must take good care of your key fob to ensure that it continues to work smoothly for many years. You can prolong its lifespan by regularly cleaning it and avoiding extreme temperatures or electromagnetic fields. By choosing an expert who is familiar with the model and make of your vehicle You can be assured that your key fob is always working as intended.