The 10 Scariest Things About Car Key Fob Repair
Car Key Fob Repairs
Key fobs of today can do more than unlock and start cars. This extra complexity can result in costly repairs when it fails.
It's good to know that a majority of fobs are powered by flat watch-style batteries which can be replaced at home. And you may find that a reset can get yours working again.
Battery Replacement
A dead battery is the most frequent cause of a key fob that isn't working. It's a simple fix and worth trying before you invest in an alternative fob. You can buy an additional button cell battery at your local auto part retailer or hardware store if you have one. You can also consult the owner's manual (or YouTube for videos explaining how to replace the battery) to find specific instructions on how to replace and open the battery inside your fob.
Most fobs come with two halves that snap together -- you'll need to gently pull the sides apart in order to access the battery. You'll need a small flat-bladed screwdriver, or a different tool with a thin blade. It might help to look for a groove along the lower edge of the fob that you can place your tool between. You might also want to be on the lookout for small pieces that could come loose while you work.
Once you have the new battery, you can insert it the same way that you removed the old one. Make sure that the positive (+) side is facing upwards toward the buttons, and that the negative (-) side of the battery is aligned with the markings in the battery compartment of your fob.
Check the fob to determine whether it is working by pressing the button. If it doesn't work, you may have a problem with your Car key fob repair that requires a specialist to fix or replace.
Some key fobs require special tools to open, and the contacts inside can be fragile and easily corroded. In these cases, the best option is to speak with a specialist or dealer. When replacing a battery, be patient and follow your owner's guide. You may be able to find a similar battery at a discounter or big-box retailer, but you'll need to check the owner's manual to be sure that it's the right one for your vehicle.
Replace the internal key
To prevent theft, most key fobs are equipped with an electronic car key repair near me key inside. When the battery in the fob dies it will leave an internal key repair blank which can open doors and trunks (and in some cases, even start certain vehicles). Many people don't realize this however, they can save themselves having to go to the dealership by simply replacing the fob battery. The flat watch-style battery is found in most modern fobs. These batteries can be located at auto parts stores and hardware stores. Choosing the right type of battery is crucial however. A wrong battery can harm the circuitry, causing the fob's failure much sooner.
If the problem continues to persist after replacing the battery, it may be an indication that something else is going on in your vehicle. Review the owner's manual of your vehicle to determine if there's a reset procedure that can bring the fob back to the factory program. If this doesn't help you'll have to go to 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 located on the dashboard or next to the steering wheel, and they transmit signals that allow you to unlock and start your car with the fob. You may need to get closer to the car in order to enable it.
A professional might need to open the fob's case to replace the transmitter. A simple screwdriver is usually enough to do the trick, but certain fobs require a specific tool or equipment that can only be found at a dealer. It's a good idea to have a certified mechanic perform this task so you don't damage the fob or injure yourself.
Reprogramming the Key
A key fob that is not working may simply need a new battery. Because these batteries are cheap and readily available at pharmacies and home improvement stores, this is a good first step before investing in a new car key fob.
Alternately, you might be able to re-program the fob by following some basic steps. The procedure may differ for different vehicles, so you should refer to the owner's manual and research your specific model. For instance, one key fob may require the ignition to be switched on while reprogramming the key. Another key might require the key to be removed and inserted several times.
The basic procedure is simple. Make sure that the battery is securely in place. Close all doors except the driver's door. This will ensure that the new key fob communicates with the vehicle properly. Put the old key in the ignition and turn it on 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 in the front of the vehicle above the mirror. In a short period of time the key will signal to the vehicle that it's been programmed by turning off the doors' locks or emitting a chime. This is a challenging process, so pay close attention to timing and don't over-press the button.
If the key fob does not work after reprogramming, try using a new battery. If the problem persists you may want to visit your local locksmith or dealer. A professional locksmith will have the tools and programming equipment needed to reprogram your car's fob, or create a new key repair car if it's required.
Genesky says he can usually program newer fobs for $200-$250, depending on the model of vehicle. However, he's had to turn down customers who have European models due to the fact that they don't have the costly equipment they require. A majority of the aftermarket fobs are programmed, but always consult your local dealer to determine the cost.
How to get a new fob
If your key fob cannot be fixed, you could need to buy a new one. Based on the make and model, an auto locksmith or a dealership might be able to assist. The dealership will likely be the most expensive option for a replacement fob, but they will also have all the required tools and software to program your vehicle correctly. Numerous locksmiths who are independent offer a new car key fob for the lower cost.
Before you rush to get a new fob it's an excellent idea to try resetting your current one. The owner's manual should explain the proper procedure for reset, which is usually just a series of button pushes that reset it to factory programming.
You should also check the owner's guide and warranty information to determine whether you can obtain an additional key fob. If your car is still under warranty or you have a car keys repair-insurance policy or auto club membership that provides bumper-to-bumper protection, you may be eligible for reimbursement for the cost of an entirely new fob.
Finding a fob is simple enough, but finding the right location to get it done isn't easy. You might want to visit the dealer to get this service if you have a newer vehicle and are looking to feel secure knowing that your keyfobs are working correctly. However, if you want an affordable alternative it is usually possible to find a locksmith independent who can provide the same services for a lower cost.
A locksmith professional is a good option If you're not confident doing this type of work. They are trained and equipped to change or reprogram key fobs for cars of all kinds, and can do so quickly. Locksmiths is also able to visit your office or home which is a great option for many people. They can even cut and program keys on the spot in case you've lost keys, which is ideal for those who prefer not to leave their cars in the dark.
