Key Fob Repair 101"The Complete" Guide For Beginners

car key fob repair service (please click for source)

While a car key fob could seem like an extravagance, if it ceases functioning properly, you could be in a bind. It's costly to replace it, but often it's the best solution.

But before you go to the dealer to get one re-evaluated there are a variety of places you can go that will save you money.

Dead Battery

One of the most frequent issues with key fobs is batteries that are dead. This could be a shock and especially if it happens when you're leaving to work or at a social gathering. You might have a backup plan, such as an additional key or a number for assistance at the roadside but you'll still need to fix or replace the fob. It's good to know that most battery issues for car keys are easily fixable with the right knowledge.

Many modern cars come with an emergency backup system to protect the possibility that the fob's battery may fail. If you attach a dead fob to the ignition, you are able to typically start the car. If you have a vehicle that uses push-to-start and you want to unlock your doors. The owner's guide for your vehicle will provide specific instructions on how to use the key fob.

Other causes for the key fob to not respond to button presses or turning off include the button that isn't being pressed all the way or is a battery with a low capacity or a remote which needs to be programmed. In some instances, cleaning your key fob may be enough to make it work again. Since key fob buttons are frequently repeatedly pressed the dirt may build up and prevent them from pressing down to the fullest extent.

An easy way to clean your key fob in a pinch can be to use the end of a paper clip. It is safe to open the case and remove the battery. You should also consider keeping an additional battery on hand and any tool you'll need to open up the key fob case. You can prepare for any issues with your keyfob in advance, so you do not have to worry about it affecting your life or calling roadside assistance. You can also keep an extra car key fob repairs key in your pocket to avoid being caught off guard if you have an issue with your key fob.

Button Issues

The buttons on a key fob transmit signals to the circuit board of the remote when they're pressed. If these buttons become worn out, the signals might not be sent and the fob won't be functioning. This could happen over time or may be due to another issue with the car or fob. A professional can fix or replace the button if it's damaged.

Key fobs typically see lots of abuse. Everyday, they're damaged, thrown around and exposed to cold and hot. They're also quite fragile and are easily broken. The inside of the key fob is filled with components like a circuitboard and battery contacts which can be destroyed if you abuse it in a way that is excessively.

Most problems can be resolved by replacing the battery on your fob, but there are some that require more. The battery can be inspected by opening the case of the key fob with an screwdriver and determining if it is dirty or needs to replaced. The most popular batteries used in key fobs are 3V button cell batteries that can be bought in almost any retailer.

Fobs can also be damaged by water even if it's just a small amount of water. This could be a concern if you go swimming with the mobile key repair fob in your purse or accidentally put it through the washing machine. This could damage the chip and prevent the key fob from working.

If you're experiencing a problem with a button the best choice is to contact an expert locksmith. They can repair or replace the button and reprogram it for you. They can also work on other electrical problems, like the horn that is broken or lights that won't turn on.

Automobiles are costly, so it is essential to keep up to date with technology and equipment that make them run. If you don't, your vehicle won't function as it should and will be more difficult to get there you're supposed to be. It's also a big risk to be a victim of defective technology and equipment because it can lead to more serious mechanical issues in the future.

Broken Battery Terminals

If you've been trying to start your car but the fob isn't working it could be a sign that your battery terminals are broken. To unlock and start your car, the fob has to be able to communicate with the central system of your vehicle. The communication happens via a small radio transmitter within the mobile key repair fob. The transmission signals are sent to the internal car key (if there is one) which then opens the doors and starts the engine. The fob is designed to be able to send this signal at distances of up to 50 feet, but the transmission may not function when the battery terminals are damaged.

These are simple fixes. It's usually simple to replace the battery. Simply remove the old one, determine what type of batteries you require, and visit an auto parts shop or online retailer to purchase the right one. It may be a challenge to open key fobs to access the batteries. Be careful not to break anything.

Next, try the key fob a second time. If it still doesn't work it could be that the metal key itself inside the fob has been damaged or the key has been programmed. Modern keys must be programmed to work with a specific vehicle and certain error codes could corrupt the programming in the key fob. A professional can reprogram the key to the vehicle.

Another possibility is that the fob itself is damaged, especially in the event that it was dropped or left in the rain. It is also possible that the key fob was subjected to extreme heat or other issues that led to the circuit board to fail. This could happen if you are working on your car and accidentally exposed wires. This could cause other issues, such as a damaged key fob or a broken horn. Check your key fob and replace it or repair it if required. Not having a working key can be stressful and potentially dangerous.

Other Issues

Car key fobs can be extremely convenient, but they may also cause problems that require professional assistance. A lot of the issues that could affect a car keyfob are simple and inexpensive to fix. Here are a few of the most common problems and possible solutions:

A dead battery

The majority of basic remotes last for a long period before needing an upgrade in battery, however the lifespan of Smart Key fobs is generally much shorter. The batteries for fobs must be replaced every three to four years, and they can cease working if they are too old. This is a straightforward issue to fix. Just purchase a replacement battery and install.

A damaged receiver

To open and start your car the transmitter on your keyfob needs to receive a message from the receiver inside your car. If the receiver is damaged, the signals won't be able to pass through and will remain unreadable. This is an easy problem to determine, however, if the receiver is too damaged, it may be necessary to replace it.

Not programmed

Some modern cars require a special chip inside the key fob for it to start. The chip communicates to the car using a unique code that is only recognized by the manufacturer. In the majority of cases, you need to go to the dealer to purchase an alternative fob that has been properly programmed for your vehicle. There are aftermarket fobs that work with a variety of vehicles.

Not working

If your car key fob will not function after you've replaced the battery and buttons, it could be due to an electrical problem or another type of issue that requires professional assistance to fix. A professional locksmith will be able to look for this kind of issue and help you get your key fob back to good working order in a short time. This service is usually cheaper than visiting a dealer. The cost of a replacement fob will vary depending on the model of your car and the locksmith you have chosen to use. You can get a rough idea of the costs by contacting a few local companies before booking a job.