11 Ways To Completely Revamp Your 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 can be affected by issues such as losing functionality. While some issues may require expert attention, most can be fixed at home.
The first step is generally to change the battery. The majority of fobs are powered by flat watch-style battery, which is easily available at hardware stores or auto parts stores.
Dead Battery
It can be a real issue when a key fob's battery goes out. This is particularly true if you are away from home. There are ways to get back on the road even when your car's keyless entry isn't working.
One of the first things you should check is whether the key fob's buttons still work. If they don't it could be a problem with the locks on your car.
If your keys don't work you need to look for a mechanical key slot located in the trim of your door handle or on another part of the car (consult your owner's manual). Insert the mechanical key and try again. If this doesn't unlock the door, certain cars come with an application that lets you unlock the door remotely. FordPass Connect, myChevrolet Mobile App and myMazda apps, for instance allow owners to open their doors using smartphones. These apps do charge a monthly subscription fee.
It is also important to ensure that your key fob isn't draining your vehicle's battery by sitting on it. A dead fob can drain your battery fast particularly if it's used to control the TV or phone while you are watching.
A key fob that's low on battery can sometimes be activated by bringing it until you hit the start button. This quick fix can save you from a trip to your dealer or to certain Interstate All Battery Centers.
If your key fob doesn't work, you can test it in a vehicle that has an electronic starter button. If it doesn't work, you may need to replace the fob battery. It's a good idea to keep a spare key fob in your purse or backpack.
Damaged Buttons
If your key fob doesn't have the ability to unlock doors or start the car remotely, it's likely that one or more of its buttons are damaged. Your key fob contains an electronic circuit that has "contact pads" which are covered by an electrically conductory film. This film wears off over time. The wear may cause your device to respond less or not at all.
The contact pad on the car keyfob is easily replaced using the flathead screwdriver. If the key fob has been badly damaged or broken in any way, it could be more difficult to open the case, and you'll be required to take the fob to an auto repair shop for repairs.
It's not uncommon for a key fob to be dropped on hard surfaces, trodden on, or exposed to water. car key repairs of these incidents can cause physical damage, including bending and snapping the keys.
This could also affect the internals of your fob, which could lead to a malfunction. This is why it's always an ideal idea to keep an extra 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 verify that the battery is in good condition. Remember that key fobs don't come with a particular kind of electronic device - most of them run on the same two-dollar batteries used in watches and hearing aids that are readily accessible at drug stores, hardware stores, and online.
If the battery is functioning properly, the buttons may be worn or dirty. You can easily clean them with a damp cloth. If the buttons don't work, try a different car key fob. This will help you determine if the problem is yours or a specific model. If the other key fob is working it is possible that yours needs to be reprogrammed or replaced.
Reprogramming
The secret world of car key fobs is more complicated than the myths suggest. Basic fobs operate with radio frequency signals that are unique to each car. The fobs must be programmed correctly in order to be able to unlock and start the vehicle. Unfortunately, reprogramming a fob isn't as simple as pressing a few buttons and with only a few exceptions it needs to be handled by the dealer.
The procedure for reprogramming the fob is based on the model and model year of your vehicle and it's essential to refer to the owner's manual to get step-by-step instructions. Some manufacturers, such as Mercedes utilize proprietary technology that guarantees only dealers can create the new fob and sync it with your vehicle. Some independent shops may also offer this service, so check reviews and prices prior to choosing a shop.
Certain models of cars erase all other fobs if they're programmed again. This means you'll need to have any additional fobs programmed by professionals. This can be expensive, especially if your fob has stopped working. It's always wise to have a spare mechanical key that you can use to unlock the trunk and doors, even if it won't start the car.
Be prepared for a frustrating experience if you choose to reprogram your fob yourself. You'll be disappointed by the numerous online guides that promise success. A lot of these guides were written by people with no experience and are based on unsubstantiated assertions. Some even claim that you can program your own car key fob with just a few clicks, which can be very confusing.
Most key fobs are held in place by a plastic clip which is easy to remove, however, the battery is located inside the circuit board, which means you'll need to carefully pull it out using a tool. Once you get inside, you'll be able locate the button cell battery, which is typically a tiny watch battery that can be purchased at a variety of pharmacies or at home improvement stores. It's typically easy to replace the battery. Before replacing the whole unit, it's worth trying first.
Replacement
There are many ways to fix a damaged or damaged car key fob. A quick fix can be as simple as replacing the battery or changing the program on the key fob, but a more in-depth repair may be needed. A spare fob could be useful in the event one is stolen or lost.
Modern key fobs are more expensive and more difficult to replace since they have an actual key as well as the electronic. Some "smart fobs" even include a remote starter. It's important to be aware that it can take up to an hour to cut and program a replacement fob for your vehicle.
Fobs use a small radio transmitter that is mounted on a circuit board to communicate with the car's receiver. Pressing the button triggers the transmitter, which sends a unique RF signal to the car's receiver. The receiver is able to recognize and compare the signal to preprogrammed codes. This allows the driver to unlock the car and begin it from a distance, without placing the key in the ignition or turning a lock.
If the buttons on your key fob aren't working or responding intermittently, they may be damaged by water. You could be able to repair the fob by disassembling it and examining it for broken or non-responsive buttons. If this doesn't solve the issue, you can try reprogramming or buying an entirely new fob.
Before buying a replacement key fob online, you should consult a professional locksmith or your local auto dealer to make sure it's compatible with your vehicle's security systems. There are many aftermarket fobs cheaper, but it's important to look up the brands and read reviews before trying to program them. While some fobs can be replaced by a reputable locksmith others require specialized equipment to program them that can only be used by a vehicle dealer or auto technician.