20 Things You Need To Know About Car Key Fob Repair

20 Things You Need To Know About Car Key Fob Repair

Car Key Fob Repairs

Key fobs today do much more than simply unlock and start vehicles. This added complexity could result in costly repairs in the event that it malfunctions.

It's important to know that most fobs are powered by flat watch-style batteries, that can be replaced at home. And you may find that a reset can make your device work again.

Battery Replacement



The most common reason that a key fob doesn't work is due to an inoperative battery. It's a simple fix, and it's worth trying before you go spending money on a new fob. You can purchase an additional button cell battery at your local auto parts retailer or hardware store in the event that you already have one. You can also consult the owner's manual (or YouTube for videos explaining how to replace the battery) for specific instructions on how to remove and replace the battery inside your fob.

You'll need to gently pry off the sides of many fobs to reach the battery. It's usually a screwdriver or some other tool with a thin, flat blade. It's a good idea to look for a groove along the bottom of the fob that you can place your tool between. You might also want to look for small pieces that could fall off while working.

Once you have your new battery, place it in the same manner that you removed the previous one. The positive (+) side should be facing the buttons, while the opposite side is facing (-) the markings on the compartment for the battery.

You can push a button to test the fob. If it doesn't work, there could be a problem in your vehicle that requires to be repaired or replaced by a professional.

Some key fobs are difficult to open and the contacts may be brittle and easily corroded. In these situations, the best option is to speak with a specialist or dealer. If you're in need of replacing batteries, you should be very gentle and adhere to the instructions that are specific to your owner's manual. You may be able find the same battery at a big-box store or discounter, however, make sure to check the owner's manual to ensure it's compatible with your vehicle.

Replacing the Internal Key

To protect against theft, the majority of key fobs are equipped with an internal mechanical key that is hidden within. If the battery of the fob fails, it leaves an internal key that is blank that is able to unlock doors and trunks (and in some cases start certain vehicles). Many people don't realize this however, they can save having to go to the dealership by simply replacing the fob's battery. The flat watch-style batteries are used in most modern fobs. These batteries are easily located at auto parts stores and hardware stores. It is essential to choose the correct kind of battery. A bad battery can cause damage to the circuitry and cause the fob's failure earlier.

If the problem persists after you replace the battery, it could be a sign that there is something else going on with your vehicle. If you have an owner's guide and you're not sure, try to determine if a reset procedure is available to restore the fob's factory programming. If that doesn't help, you'll need to visit a dealership or an independent shop that specializes in vehicle security systems and fob programming.

Fobs may also fail due to malfunctioning transmitter receivers. They are typically placed on the dashboard or close to the steering wheel, and transmit signals that allow you to unlock and start your car with the fob. If you're required to move closer and closer to your car in order to make it work, there's a great chance that the transmitter isn't working.

It may be required for a professional to access the case of the fob in order to replace the transmitter. A simple screwdriver will usually get the job done however, some fobs have complicated release mechanisms that require a specific tool or equipment that is available only at a dealer. This job should be performed by a qualified mechanic to ensure that the fob is not damaged and yourself.

Reprogramming the Key

A key fob that is not working could just require a new battery. Since these batteries are inexpensive and readily available at pharmacies and home improvement stores, this is a good first step before investing in the purchase of a new car key fob.

Alternately, you might be able to re-program the fob yourself by following some basic steps. The process is different for different vehicles makes, so it's important to consult your owner's manual and study the specifics of your model. A key fob may require that the ignition be switched on when programming. Another key might require the key to be removed and inserted multiple times.

The basic procedure is easy. Make sure the battery is securely in place. Close all doors, with the exception of the driver's door. This will ensure that the new key fob communicates with the vehicle correctly. After that, put the old key back into the ignition and switch it to the ON position, but don't start the engine. Press the lock button while aiming the fob at the transmission receiver. This is typically located on the front, above the mirror. In a short period of time, the key will indicate to the vehicle that it's been programmed by triggering the doors locks or emitting a chime. This is a challenging procedure, so pay attention to the timing and don't press too hard the button.

If the key fob won't work after reprogramming, try using new batteries. If the issue isn't resolved then a visit to your car dealer or locksmiths should be considered. A professional will have the tools and equipment to reprogram your car's fob or clone an entirely new key if required.

Genesky says he can usually program newer fobs for $200 to $250, based on the model of vehicle. He's had European models rejected because there isn't the equipment required. The majority of aftermarket fobs can be programmed, but you should always consult your local dealer to determine the cost.

Finding a New Fob

If your key fob is damaged beyond repair, you could require an alternative. Depending on your vehicle's model and make, an auto locksmith or dealership might be able to assist. The dealership is likely to be the most expensive option for a fob replacement however, they'll have all the required tools and software needed to program your vehicle correctly. If you are looking for a less expensive solution, many independent locksmiths can offer you an entirely new car key fob for a more affordable price.

It is a good thing to try to reset the fob you have before you decide to buy a new one. The owner's manual should outline the correct reset procedure. This is usually a series button presses that reset the factory program.

It's also a good idea to review the owner's manual and warranty information prior to deciding where to go for an replacement fob for your key. If your car's warranty still active or you have an auto club or car insurance policy that covers bumper to bumper you could qualify for a reimbursement on the cost of replacing the fob.

The process of getting a fob can be simple enough however finding the best location to do it can be tricky. You might want to go to the dealer to get this service if you are driving a brand new car and want peace of mind knowing that your keyfobs are working properly. However, if you're looking for an affordable alternative it is usually possible to find an independent locksmith who can provide the same services at a much lower cost.

If you're not confident handling this type of work on your own, a professional locksmith may be a great option.  key fob repair near me  are trained and equipped to repair or replace car key fobs of all types and do it quickly. Locksmiths can also visit your house or office which is convenient for many people. They can cut keys and program them on the spot in case you've lost keys. This is perfect for those who don't like to leave their car without a key.