Why Key Fob Repair Is More Difficult Than You Think

· 6 min read
Why Key Fob Repair Is More Difficult Than You Think

Car Key Fob Repair Service

If the car key fob doesn't work you may be in a tough spot. It's expensive to replace it, but in some cases it's the most effective solution.

But before you go to the dealer to have one re-evaluated There are other places that will save you money.

Dead Battery

One of the most frequent problems with key fobs is a dead battery. It can be a surprise to people and can be a real shock, particularly while you're leaving for work or heading out to a social gathering. Even if you have a backup plan in place, such as a spare key or a phone number for assistance on the road You will probably require the fob to be fixed or replaced. It's good to know that the majority of battery issues for car keys can be fixed easily with the right knowledge.

A majority of modern vehicles have a backup system in place that can handle the possibility of fob batteries going out of service. If you connect a dead fob in the ignition, you will usually start the vehicle. If you own a car that uses push-to-start, this will also unlock your doors. The owner's manual for your vehicle will provide detailed instructions on how you can use the key fob.

Other reasons for keys not responding to button presses or turning on include buttons that aren't pressed all the way or a battery that isn't fully charged or a remote which requires programming. In some instances, a simple cleaning may be all that is needed to get your key fob functioning again. Because key fob buttons are often pressed over and over again the dirt may build up that prevents them from pressing completely.

A quick method to clean your key fob in a pinch can be to use the end of a paper clip. This can be used to safely open the case and take out the old battery. Keep an extra battery as well as any other tools you might require to open the case of your key fob on hand. This way, you can be prepared in case of an issue with your key fob so that it doesn't disrupt your routine and cause you to have the need to call roadside assistance. Alternately, you can keep an extra key in your purse so you don't get caught off guard by a malfunctioning key fob.

Button Issues

When they are pressed, the buttons on the remote control send signals to its circuit board. If the buttons become worn out, signals may not be sent. Your fob may stop working. This can occur over time, or it could be due to an issue related to the fob or vehicle. If the button has worn out it is possible to replace it or repair it.

Key fobs are frequently subjected to a lot of abuse. They're dropped, banged around and exposed to cold and hot on a regular basis.  car key fob repairs  and easily damaged. The inside of the key fob is filled with components like a circuit board and battery contacts, which could be destroyed if you abuse it in a way that is excessively.

Most issues can be fixed by replacing the battery in your fob, however there are some that require more. You can test the battery by using a screwdriver in order to open the case of your key fob and see whether it is required to be replaced or cleaned. Most key fobs use 3V button cells that are available in almost every store.

Fobs can also be damaged by water, even if it's only one drop of water. This could be a problem when you accidentally wash your key fob or go swimming with it in your pocket. This could cause damage to the transponder chip inside and cause the key fob to stop functioning.

A professional locksmith is your best option if there is a problem with buttons. They are usually able to fix or replace the button and reprogram it for you. They can also work on other electrical failures like lighting problems or a horn that aren't turning on.


It's essential to keep up with the most recent technology and equipment for your car. Cars can be expensive. If you don't do this then your vehicle will not function effectively and you'll be having a harder getting to where you want to go. A malfunctioning technology or equipment can also be a security issue, as it can cause serious mechanical issues in the future.

Broken Battery Terminals

If your fob isn't working when you try to start your car it could be because the battery terminals are damaged. To unlock and start your vehicle, the fob needs to be able communicate with the central system of your vehicle. This communication is carried out through a tiny transmitter that is located inside the key fob. The transmission signals are transmitted to the car key's internal circuit (if there is one), which in turn unlocks the doors and starts the engine. The fob is designed to send this signal at distances of up 50 feet, however the transmission might not function in the event that the battery terminals have been damaged.

Fortunately, these are simple solutions. The process of replacing the battery is usually straightforward as taking out the old battery, figuring out which type of replacement batteries are needed, and heading to an auto parts retailer or online store to find the correct batteries. Some key fobs are difficult to open to get access to the batteries however, and it pays to be careful so that you don't damage any of the components inside.

Then, try the key fob again. If the key fob still does not work the key that is in the fob could be damaged or the key could be modified. Modern keys have to be programmed to function with a particular vehicle, and certain error codes can affect the programming of the key fob. A professional can reprogramme the key to the vehicle.

A damaged fob is a second possibility, particularly if fob was dropped or left out in the rain. It is also possible that the key fob was exposed to extreme heat or other issues that caused the circuit board to fail. This could happen if you have work done to your vehicle and accidentally exposed wires. This could lead to other problems, like a damaged key fob or a broken horn. It is crucial to check your key fob for damages and replace or repair it if needed, as the absence of a functioning key can be extremely stressful and risky.

Other Problems

Car key fobs are a wonderful convenience to have, but they can cause issues that require professional repair. Thankfully, many of the issues that can plague keys for cars are relatively simple and inexpensive to solve. Here are a few of the most frequent problems and their potential solutions.

A dead battery

The majority of basic remotes last a long time before needing a new battery, but the life span of Smart Key fobs is generally much shorter. Fob batteries are typically required to be replaced every three or four years, and they will cease to function when they are too old. This is a simple problem to fix - simply purchase an alternative battery and then install it.

A damaged receiver

To start and open your vehicle, the transmitter in your keyfob has to receive a message from the receiver inside your car. If this receiver is damaged, signals won't be able to pass through, and remain unreadable. This is a simple issue to identify, but if the receiver is too damaged, it may be necessary for you to replace it.

Not programmed

Certain cars of the present require a specific chip in the key fob to start. The chip communicates to the car with an exclusive code that is only known by the manufacturer. In most cases, a replacement fob needs to be programmed by the dealer. However, you may locate aftermarket fobs on the internet that are compatible with most automobiles.

Not working

If your car key fob does not function after you've replaced the battery and the buttons, it could be due to an electrical problem or another issue that requires professional repair. A locksmith expert can swiftly solve the issue by looking for the problem. This service is typically less expensive than going to a dealer. The cost of replacing a fob can vary based on the model of your vehicle and your local locksmith. Check with a few companies in your area to know the price before committing to the job.