Car Key Fob Repair It's Not As Expensive As You Think Car Key Fob Repairs

Today's key fobs do a lot more than unlock and start vehicles. This added complexity can lead to expensive repair bills in the event that it malfunctions.

It's a good idea to know that the majority of fobs are powered by flat watch-style batteries, which can be replaced at home. It is possible that a reset will make your device work again.

Battery Replacement

The most frequent reason why the key fob ceases to function is because of a dead battery. It's a simple fix and worth trying before you purchase the replacement fob. You can buy the new button cell at your local auto part retailer or hardware store if you have one. You can also consult your owner's guide (or YouTube for videos explaining how to replace the battery) to get specific instructions on how to open and replace the battery inside your fob.

The majority of fobs have two halves that snap togetheryou'll have to gently pry the sides apart to access the battery. You'll typically need a small screwdriver or a different tool that has a flat, thin blade. You can insert your tool into a slot on the bottom of the key fob. It is also advisable to look for small pieces that could come loose while you work.

Once car key circuit board repair have the new battery, insert it in the same manner that you removed the old one. The positive (+) side should be facing the buttons and the reverse (-), the markings on the battery compartment.

You can push a button to test the fob. If it fails, it could be a problem in your vehicle that needs to be repaired or replaced by a professional.

Certain key fobs require specific tools to open and close them, and the contacts inside may be delicate and easily corroded. In these cases the best solution is to consult a car expert or a dealer. If you need to replace the battery, make sure to be very gentle and adhere to the specific instructions in your owner's manual. You may be able to locate a comparable battery at a discounter store or a big-box retailer, but you'll need to check the owner's manual to ensure that it's the right one for your vehicle.

Replace the internal key

To protect against theft, the majority of key fobs have a mechanical key hidden inside. When the fob battery dies it leaves behind a blank internal key that can unlock trunks and doors (and in some cases start certain vehicles). Most people don't realize they can save a trip to a dealership by recharging the fob batteries. The flat watch-style battery is used in the majority of modern fobs. These batteries can be located at auto parts stores and hardware stores. Using the correct type of battery is crucial, however. The wrong kind can damage the electronic circuitry, which can cause the fob to fail faster.


If the issue persists after you replace the battery, it may be an indication that there is something else going on with your vehicle. Go through the owner's manual to determine if you have a reset procedure that will restore the fob to factory programming. If this doesn't work, you'll need to go to a dealership or an independent shop that is specialized in vehicle security systems and fob programming.

Fobs can also fail because of faulty transmitter receivers. They are typically placed on the dashboard or next to the steering wheel, and transmit signals that allow you to open and start your car using the fob. It is possible that you will need to get closer to your car to get it to work.

It could be necessary for a professional to open the case of the fob in order to replace the transmitter. A simple screwdriver can usually suffice, but certain fobs require a special tool or special equipment that can only be found at a dealership. This job should be performed by a qualified mechanic to ensure that the fob is not damaged and yourself.

Reprogramming the Key

Often a non-functional key fob just requires a new battery. These batteries are easily found in both pharmacy and home improvement stores and are cheap. This is a great method to start before you purchase the new key fob.

You can also reprogram your key fob yourself if you follow the steps below. The process is different for different vehicles manufacturers, so it is important to refer to the owner's manual as well as research the specifics of your particular model. A key fob may require the ignition to be switched on when reprogramming. Another may require the key to be inserted and removed several times.

The general process is simple. First, make sure the new battery is firmly in place. Then, get in remote key repair near me and close all doors EXCEPT for the driver's side door. This will ensure that the new key fob can communicate with the vehicle correctly. Then, put the old key back in the ignition and switch it to the ON position, but don't start the engine. Next press the lock button on the fob, while aiming it at the transmission receiver, which is typically located on the front of the vehicle above the mirror. Within a short time frame the key will signal to the vehicle that it's being programmed by triggering the doors locks or emitting the sound of a chime. This is a difficult process, so pay attention to timing and don't over-press the button.

If the key fob does not function after reprogramming, you can try using new batteries. If the issue isn't resolved, a visit to the dealer of your vehicle or locksmiths should be considered. A professional will have the tools and equipment necessary to re-program your car's fob or clone the key if needed.

Genesky says he's able to program newer fobs at around $200-$250, depending on the vehicle. He's had European models rejected because he lacks the expensive equipment needed. Most aftermarket fobs can be programmed, but always check with your local car dealer to determine the price.

How do I get a brand new fob

If your key fob is beyond repair, you might require an entirely new one. Based on the model and make, an auto locksmith or dealership may be able to help. The dealership is likely to be the most expensive choice for a replacement fob but it also has the tools and software needed to program your car properly. Many locksmiths in independent shops offer a new car key fob at a much lower price.

Before you decide to purchase a new fob, it is an excellent idea to try resetting your current one. Your owner's manual should outline the proper procedure for reset, which is usually just the pushing of a button that restores it to factory programming.

It is recommended to review your owner's manual as well as warranty information before deciding where to go for an replacement fob for your key. If your car is still under warranty, or you have a car-insurance policy or auto club membership that includes bumper-to-bumper insurance, you might be eligible to receive a reimbursement for the cost of an entirely new fob.

Finding the best where to purchase a fob can be difficult. You may want to visit the dealer for this service if you have a newer car and you want peace of mind knowing that your key fobs work properly. If you're seeking a less expensive alternative, it's possible to find a locksmith that will provide the same service for an affordable cost.

A locksmith professional is a great choice If you're not confident doing this kind of work. They are certified and equipped to replace or reprogram most types of car key fobs, and often they can complete the task quickly. In addition, a locksmith is often able to come to your home or office to do the job which is convenient for some people. They can even cut and program keys on the spot in case you've lost keys, which is ideal for those who do not want to leave their cars in the dark.