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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 solved at home with an auto locksmith or aren't serious.

The first step is to examine the fob's keypad for physical damage and dead batteries. You can then reset the fob following the instructions in your owner’s manual.

Dead Key Fob Battery

Key fobs allow you to unlock and start your vehicle without having to fiddle with your physical keys. Many models can even unlock hatchbacks, doors and trunks at the touch of the button. Although a dead key fob battery could be a huge problem, it's actually one of the easiest problems to solve. Most mobile car key repair owners know that they can go to a dealership or repair shop for assistance but did you know that you could also attempt to fix your own fob at home?

You'll first need a brand new CR2032. Most hardware stores carry them in multipacks. Make use of a flathead screwdriver, or watch to push the case open. Once you've opened the first gap, you can employ your pry tool to open the case. Be gentle as you don't want to break the case of the fob or the circuit board inside.

The new battery should be placed under the tabs that are marked with yellow arrows on this photo. Make sure to insert the battery past the two tabs that are indicated by green Arrows. After the new battery is in place, close up your key fob and try it. If the key fob still isn't working, you might require the assistance of a professional for a more detailed troubleshooting.

In rare cases replacing the battery on the fob's key can result in a non-functional device. If this happens, it's a sign that something is wrong with the fob or the vehicle itself. Keep a spare keyfob on hand to ensure you're ready in case the battery dies or if an issue occurs.

You can also ask a professional to carry out other key fob repair services. They can inspect for damaged buttons, contacts, and other parts. They can also perform reprogramming or synchronization, when your vehicle is experiencing difficulties communicating with your keyfob.

Key Fob Battery Damage

Most key fobs use batteries to power their internal components, which include buttons that trigger the chip and antenna to release a radio frequency. The battery also powers the plastic casing that protects these parts. The key fob you have will not function if the battery dead. The solution is simple and affordable to replace it. Many manufacturers have directions in their user's manuals on how to change the battery of the key fob. The procedure isn't easy however it's easy to complete and you'll likely save money by doing it yourself rather than taking the fob to a dealership or auto shop.

There could be a second problem if your key fob still does not function after replacing the batteries. Inspect the key fob for signs of physical damage, for example cracks or dents. You can also inspect the circuit board by opening the case. If you're comfortable, you can use a cotton ball coated with alcohol to clean the contact points on the circuit board of the key fob. This will remove corrosion without causing any damage to the fob.

Key fobs should also be programmed to connect to the receiver of the vehicle. This is done to ensure that only persons with keys for the same vehicle are able to unlock the car and prevent other key fobs from trying to access vehicles they weren't designed for. If you've recently had a key fob replaced or repaired, or when it hasn't used for a while, the receiver and transmitter could have become disconnected.

One way to test this is by using a spare key fob you have. This will tell you whether the issue is related to the key fob or your vehicle's electrical system. A mechanic in your car can help you reconnect any disconnected wires and help you solve the issue. You could also try connecting the key fob to a different receiver and try to determine if this solves the issue. If you're unable to connect your key fob to a different receiver in your vehicle, you could need to take it to a car dealership or auto repair shop to get more specific repairs.

Key Fob Transmitter Damaged

If your car's key fob stops working, it can be a major inconvenience. Thankfully, most car key fobs can be repaired by following just a few steps. Check the fob to see whether it's suffering from physical damage and make sure that it is not just dead. A new battery may be all that's needed, but if it doesn't fix the issue, there may be a bigger problem with the fob transmitter.

Car key fobs contain lots of moving parts, which is why it's not unreasonable for them to experience some wear and tear over the course of time. A damaged transmitter for your key fob could stop your car from starting or unlocking the doors. A damaged transmitter could also interfere with radio signals that are sent from your key fob to the receiver inside your car. If you suspect your key fob's transmitter is damaged, take it to a local mechanic for inspection and repair.

Batteries are usually the reason of a key fob not working. Key fob batteries usually last between three and five years, so it's a good idea to buy new batteries regularly.

The majority of people can replace the battery on a broken key repair near me fob at home. You will need an flat-head screwdriver to open the case open. Once you have it opened, you'll be able to replace the old battery. Most key fobs are powered by 3V button cell batteries that are readily available at many auto key fob repair parts stores.

Another reason why your key fob won't respond is because of an ineffective receiver. This is a frustrating issue and usually occurs while you are driving. If you notice that your key fob doesn't receive any signal from the vehicle, try putting it in the driver's door lock.

A damaged receiver can cause your keyfob's to behave uncontrollably. For instance it might close or shut off the vehicle when you press one of its buttons. If you have an extra key fob, test it to see if it is able to respond to the vehicle's commands. Contact your dealer if don't have a spare keyfob. If your current key fob is in warranty, a few dealerships selling new cars may be able to offer a replacement for free.

Damaged key fob receiver

While key fobs are great convenience tools that let us lock or unlock our vehicles, they can be susceptible to a variety of problems. If your remote fob in your car isn't working as it should, it may be the right time to contact a locksmith or your auto dealer for assistance. Fortunately, a lot of common issues with keys are easily resolved without having to shell out for a costly replacement. Here are the five most frequent reasons your key fob may not be responding

Key Fob Needs Re-Programming

Over time, a car's key fob transmitter and receiver can get out of sync with each other. To fix this issue, you'll have to reconnect the key fob to its receiver by following the reprogramming instructions for your vehicle. You can find these instructions in the owner's manual, or ask your dealer in person for assistance.

If reprogramming your keyfob does not resolve the issue, there could be a problem or an interference with your receiver or keyfob. It's usually simple to fix if you open your key fob and take a close look inside. Check for indications of damage such as cracks in the circuit board, teeny electronic components that aren't connected to the circuit board, or bent or oxidized battery contacts. If you spot any of these, you can fix your key fob by replacing the damaged parts.

Whether you need to repair or replace your key fob, the most effective solution is determined by the root of the problem and the amount you value convenience and the cost. If your key fob is damaged or dropped, it might be more affordable to replace it professionally. In any event, make sure to take care of your key repair car fob so that it can give you years of trouble-free operation. By regularly cleaning it and avoiding exposure to extreme magnetic fields or temperatures, you can ensure it will last as long as possible. By choosing an expert who is familiar with the model and make of your vehicle you can be certain that your key fob is functioning as intended.