Key Fob Repair Service - 5 Common Reasons Your Key Fob Won't Work
A key fob that breaks down can be an inconvenient situation. Most fob issues can be resolved at home by an auto locksmith or aren't urgent.
First, check the fob of your key to determine if it has any physical damage or a dead battery. Then, you can try resetting the fob using instructions in the owner's manual.
Dead Key Fob Battery
A key fob allows you to unlock and even start your car without fumbling around using your keys. Some models can even unlock doors, hatchbacks and trunks with the push of one button. While a dead key fob battery may seem like a huge issue, it's actually just one of the easiest problems to solve. Many car owners know that they can go to a dealership or repair shop for assistance but did you know that you can also try to fix your own key fob at home?
The first thing you'll need is a brand new, fresh CR2032 battery. The majority of hardware stores sell them in multipacks. Make use of a flathead screwdriver, or a watch to open the case open. After you've widened the first gap, you can use your pry tool to further open the case. Be gentle in order not to harm the fob or its circuit board.
Once you've got the case open, insert the battery you just purchased under the tabs that are highlighted by yellow arrows in the photo. Make sure to insert the battery past the tabs smaller than those highlighted by the green Arrows. Once the new battery is in place, close up your key fob, and then test it. If the key fob still isn't working, you might require the assistance of a professional for a more detailed troubleshooting.
In rare instances replacing a battery on a keyfob can still result in a device that isn't functioning. In this situation there's probably a problem with the device or vehicle. Keep a spare keyfob on hand to be prepared in the event that your battery dies or if a problem occurs.
You can also ask a professional to carry out other repair services for your key fob. They can check for damages to buttons or contacts as well as other components and also perform reprogramming and synchronization in the event that the vehicle is having a hard time communicating with your key fob.
Damaged Key Fob Battery
The majority of key fobs are powered by a small battery, which powers the internal components. This includes the buttons that turn on the antenna and chip for releasing a radio frequency. The battery also powers the plastic casing that protects these components. If the battery is dead the key fob will not work. The solution is simple and affordable to replace it. There are many manufacturers that have instructions in their owner's manual on how to replace the key fob battery. It's not difficult to do, and you can save money by doing it yourself instead of taking the fob to an auto or dealer shop.
If your key fob still not working after replacing the battery, you could be experiencing another problem. Check the key fob to see whether there are physical damage, like cracks or dent. You can also open the case and inspect the circuit board for signs of corrosion or other issues. If you're comfortable doing this, then you can use a cotton swab that has been soaked in rubbing alcohol to clean the contact points on the circuit board. This will eliminate the corrosion, but not damage to your fob.
Key fobs also need to be programmed to connect to the receiver of the vehicle. This is to ensure that only those with keys for the same vehicle are able to unlock the car, and to keep other key fobs out of attempting to access vehicles that they are not intended for. If you've recently had a key fob replaced or repaired, or if it hasn't been used for some time the transmitter and receiver could have been disconnected.
A good way to test this is using a spare key fob you have. This will let you know whether the issue is with the key fob, or the electrical system in your vehicle. A mechanic can assist you to solve the issue by reconnecting any wires that are disconnected. Alternately, you could try to connect the key fob to an alternative receiver in your car and see if this resolves the problem. If you're not able to do this, you might need to take your key fob into a car dealer or auto repair shop for more in-depth repairs.
Key Fob Transmitter Damaged
It can be a major hassle when your car's key fob fails to work. Most key fobs for cars can be easily repaired by following a few simple guidelines. Check the fob to determine if it has any physical damage and ensure that it is not just dead. A new battery might be all you need however, if it fails to fix the problem, there could be a more serious issue with the fob transmitter.
It's not a surprise that key fobs for cars wear out over time. They are made up of many moving parts. car key fob repair damaged transmitter on your fob can hinder your vehicle from starting or from unlocking the doors. Furthermore a damaged transmitter may affect the radio signals transmitted between your key fob and receiver inside the vehicle. If you suspect your key fob transmitter is damaged, bring it to a local mechanic for inspection and repair.
Batteries are usually the reason of a key fob not working. Key fob batteries last between three and 5 years. It is recommended to replace them frequently.
Replacing the battery of a key fob is a fairly simple procedure that most people can do at home. You will need a flat-head screwdriver to pry the case open, and after that you'll be able replace the battery. Most key fobs are powered by 3V button cells, that are sold at most auto parts shops.
A defective receiver could also be the reason for your key fob not responding. This is a frustrating problem that usually happens while you are driving. If your key fob doesn't seem to be receiving any signals, try placing it in the driver's side of the door lock.
A damaged receiver could cause your keyfob's to behave erratically. For example it might shut off or lock the vehicle when you push one of its buttons. If you have an extra key fob, try using it to see if it will respond to the vehicle's commands. If you don't have a spare key fob, call your dealer to request service. If your current key fob is in warranty, a few new-car dealers may be able provide a replacement at no cost.
Key fob receiver damaged
Key fobs are fantastic devices that allow us to lock and unlock our automobiles, they are susceptible to a variety of issues. If your remote key fob for your car isn't functioning properly it's time to call a locksmith or your auto dealer for assistance. Many common key fob problems can be easily fixed without the need to purchase an expensive replacement. Here are five of the most frequent reasons why your key fob may not be functioning:
Key Fob Needs Re-Programming
Over time, the transmitter and receiver of a car key fob can become out-of-sync. To fix this problem you'll need to sync your key fob and receiver following the reprogramming guidelines for your vehicle. These instructions can be found in your owner's manual or you can ask your local dealer to help you.
If the re-programming of your key fob fails to fix the issue, it may be other issues or interference to the key fob or its receiver. It's generally easy to fix if you open your key fob and take a close look inside. Find evidence of damage, such as cracks in the board, tiny electronic components that aren't connected to the board, or bent or damaged battery contacts. If you spot any of these, you can repair your key fob by replacing damaged parts.
If you're looking to replace or repair your key fob, the ideal solution is determined by the root of the problem and the amount you value convenience and cost. If your key fob is damaged or has been dropped, it might be more cost-effective to have it replaced professionally. In any case, make certain to take care of your key fob so it will continue to provide you with years of trouble-free operation. By cleaning it regularly and avoiding exposing it extreme temperatures or electromagnetic fields, you can ensure it will last for as long as possible. Furthermore, by selecting an expert with a lot of experience with your specific car's model and make you can be sure that your key fob will always work exactly as intended.