15 Shocking Facts About Car Key Fob Repair
Car Key Fob Repair - How to Get Back on the Road Even If Your Keyless Entry isn't Working
Over time, key fobs could have issues, such as a malfunction. Some issues may need professional attention, but most can be fixed at home.
The first step is typically to change the battery. The majority of fobs are powered by flat watch-style battery, which is easily available in hardware or auto parts stores.
Dead Battery
It can be a major problem when a key fob's battery goes out. This is particularly true if you are away from home. There are ways to get your car back on the road if you're keyless entry system isn't working.
The first thing to test is if the buttons on the key fob still work. If they do, the problem may lie with your car's locks instead of the fob.
If your keys don't work, look for a key slot with a mechanical lock hidden in your door handle trim or in another location on the car (consult your owner's manual). Insert the mechanical key, and try again. If this doesn't work certain cars come with an app that lets you open doors remotely. FordPass Connect, myChevrolet Mobile App and myMazda apps, for example allow owners to open their doors with their smartphones. However, these apps require a monthly fee.
Also, make sure that your key fob does not drain your car's batteries by resting on them. A dead key fob will quickly drain your battery, particularly when you utilize its remote features while watching TV or speaking on the phone.
Holding the key fob up to your car's start button can sometimes start an ignition key fob with low battery. It's a quick fix that can save you going to the dealer or even select Interstate All Battery Center locations.
If your key fob doesn't work You can test it in a vehicle that has a push-button starter. If it doesn't work, it could be necessary to replace the fob battery. This is why it's a good idea to keep an extra key fob in the bag or purse.
Damaged Buttons
It is possible that your key fob has a damaged button. Your key fob is equipped with an electronic circuit that has "contact pads" that are covered with an electrically conductor film. This film wears off over time. The wear may cause your fob to respond slower, or not respond at all.
key repairs is that the contact pad on the key fob of a car is easy to replace, and it can be done by using an easy flathead screwdriver. If the case is damaged or badly smashed it will be difficult to open. It is necessary to take it to an auto shop to get the fob repaired.
It's not unusual for a key fob to be dropped on hard surfaces, tripped on, or exposed to water. All of these events can cause physical damage to the keys, including bending or snapping them.
It could also affect the internals of the fob which could result in a malfunction. This is why it's always an ideal idea to keep a spare key fob in your purse or pocket in the event that you break the one you already have.
If the buttons on your key fob aren't working in the way they should, first check to make sure the battery is in good condition. Be aware that key fobs aren't a special kind of electronic device - the majority of them use the same batteries for two dollars that are used in hearing aids and watches, which are readily accessible at drug stores, hardware stores, and online.
If the battery is fine, it's likely that the buttons are dirty or worn out and can be easily cleaned by using a damp cloth to clean them. If they're still not responding, you can try a different type of key fob to determine whether the problem is with yours, or with a specific type of car key fob. If the other fob is working, it's likely that the key fob you have needs to be reprogrammed, or possibly replaced entirely.
Reprogramming
The secret world of car key fobs is more complex than some myths suggest. The basic fobs work on unique radio frequency signals that are assigned to specific vehicles. The fobs need to be properly programmed in order to be able to unlock and start the vehicle. Unfortunately it's not as simple as pressing a few buttons, and with a few exceptions, it must be handled by a dealer.
The procedure of reprogramming a fob depends on the make and model year of your car, so it's important to consult the owner's manual for step-bystep instructions. Certain manufacturers, like Mercedes have proprietary technology that only the dealership is capable of creating a brand new key fob and resync it to your vehicle. Some independent shops may offer this service, so be sure to read reviews and prices prior to choosing a shop.
Certain car models erase other fobs when they're programmed, meaning you'll have to have any additional fobs professionally programmed as well. This can be costly particularly if your fob is no longer working. It's always recommended to have at least one spare mechanical key you can use to unlock the trunk and doors, even if it won't start the car.
Be prepared for a difficult experience if you choose to reprogram your fob by yourself. You'll be disappointed with the numerous online guides that claim to be successful. Many of these guides were written by individuals with no experience and are based on unsubstantiated assertions. Some of them even claim that you can program your own car key fob with just a few clicks, which is extremely false.
The battery is typically secured with a plastic clip, which can be removed easily. However the circuit board is home to the battery, and you will need to carefully remove the battery using an instrument. Once you get inside, you'll be able to locate the button cell battery, which is usually a small watch battery that can be found in most pharmacies or at home improvement stores. The replacement of the battery is generally an easy process, but it's always worthwhile to try this first before replacing the entire device.
Replacement
If your car key fob is damaged or fails to function, it's important to know there are several ways to address the issue. It is possible to resolve the issue quickly by replacing the battery or reprogramming the key fob. However an extensive repair may be required. A spare fob can be helpful in the event that one is lost or taken.
The majority of modern key fobs have a small physical key, in addition to the electronic components, making them both pricier and more complex to replace than traditional keys. Certain "smart" fobs also come with a remote starter. Therefore, it's important to understand that it can take up to an hour for an alternative key fob cut and programmed for your vehicle.
Fobs utilize a small radio transmitter mounted on a circuit board to communicate with the car's receiver. Pressing an appropriate button will activate the transmitter, which transmits an RF signal unique to the car's receiver. The receiver detects and compares the signal to preprogrammed codes. This allows the driver to open the vehicle and begin it from a distance, without placing the key in the ignition or turning a lock.
If the buttons on the fob you have purchased fail to respond or function intermittently it could mean that they have been damaged due to water or other elements. You could be able to repair the fob by taking it apart and looking for any damaged or non-responsive buttons. If this does not solve the issue, try reprogramming or buying an entirely new fob.
Before buying a replacement key fob online, seek out an expert locksmith or your local auto dealer to confirm that it is compatible with the security system of your vehicle. Fobs purchased from a third party can be cheaper however, you must study the brands and read reviews prior to attempting to program them yourself. Certain fobs can be programmed by an accredited locksmith and other models require programming equipment that only a mechanic or dealer can utilize.