Car Key Fob Repair: What No One Is Discussing

· 6 min read
Car Key Fob Repair: What No One Is Discussing

Car Key Fob Repairs

Key fobs of today do a lot more than unlock and start vehicles. This added complexity could lead to expensive repair bills in the event that it malfunctions.

The positive side is that many fobs have flat-watch-style batteries that are easy to replace at home. You might find that a simple reset is enough to bring your fob back to life.

Battery Replacement

A dead battery is the most frequent cause of the fob's key not working. It's simple to fix and worth trying before you spend money on an alternative fob. You can pick up an additional button cell battery at a local auto part store or hardware retailer If you own one. You can also refer to the owner's manual (or YouTube for videos explaining how to replace the battery) to get specific instructions on how to replace and open the battery inside your fob.

You'll need to gently pry away the sides of the majority of fobs in order to access the battery. You'll need a small flat-bladed screwdriver, or a different tool with a blade that is thin. It may be helpful to look for a groove along the lower edge of the fob that you can use to put your tool in between. It is also advisable to keep an eye out for small pieces that could break loose while working.

Install the new battery in the same way as you removed the previous one. The positive (+) side should be facing the buttons and the negative (-) the markings on the battery compartment.



Press a button to test the fob. If it isn't working, there may be a problem with your vehicle that needs to be repaired or replaced by a specialist.

Some key fobs are difficult to open and their contacts may be fragile and easily corrosion-prone. In these instances, a car specialist or the dealer will likely be the best option. When replacing a battery, be patient and follow your owner's manual. You may be able to locate a comparable battery at a discounter or a big-box retailer but you'll have to refer to your owner's manual to ensure that it's compatible with your vehicle.

Replacing the Internal Key

The majority of key fobs have the physical key mechanical however, it's hidden within the fob to stop thieves from getting. If the battery of the fob fails, it leaves an internal key that is blank that is able to unlock doors and trunks (and in some cases, even start certain cars). Most people aren't aware of this however, they can save themselves from a trip to the dealer by simply replacing the fob battery. Most modern fobs have flat-watch-style batteries which can be found at hardware stores and auto parts shops. It is important to use the correct type of battery. The wrong type can damage the circuitry and cause the fob's failure earlier.

If the problem persists even after you have replaced the battery, it could be an indication that something else is going on with your vehicle. If you have an owner's manual, check to see if you can use a reset procedure to restore the fob's factory programming. If this doesn't help you'll have to visit a dealership or an independent shop that is specialized in vehicle security systems and fob programming.

Fobs can also malfunction due to malfunctioning transmitter receivers. These are usually located near the steering wheel or in the dashboard. They transmit signals to allow you to unlock your car and start it with the fob. If you're required to move closer and closer to your car to get it to work, there's a good chance the transmitter is failing.

A professional might need to open the case to replace the transmitter. A simple screwdriver will usually do the job, but some fobs have complicated release mechanisms that require a specialized tool or equipment that is available only at a dealer. It's a good idea to have a qualified mechanic handle this job to ensure you don't accidentally break the fob or cause injury to yourself.

Reprogramming the Key

Often a non-functional key fob simply requires a new battery. These batteries are readily available in both pharmacy and home improvement stores and are cheap. This is a great option to begin before purchasing an entirely new key fob.

You can also reprogram your key fob on your own If you follow a few basic steps. The process is different for different vehicles makes, so it's important to consult your owner's manual and research the specifics of your particular model. For example the key fob might require the ignition to be on while reprogramming it. A key fob might require the key to be inserted several times.

The procedure is simple. Make sure that the battery is securely in place. Then, get in the driver's seat and shut all doors EXCEPT for the driver's side door. This will ensure the new fob is communicating with the vehicle in a correct manner. Place the old key in the ignition and turn it ON, but don't start the engine. Press the lock button while aiming the fob at the receiver for transmission. This is typically located on the left side, just above the mirror. Within a brief time, the key will indicate to the vehicle that it's being programmed by triggering the doors' locks or generating an emitted sound. This can be a difficult process so it's essential to pay attention to the timing and not to over-press the key button.

If the key fob does not work after reprogramming, try using new batteries. If the issue persists then a visit to your dealer for your car or locksmiths should be considered. A professional will have the tools and equipment needed to reprogram your car's fob or clone a new key if it's needed.

Genesky says he's able to program newer fobs ranging from $200 and $250, depending on the model of vehicle. He's been denied European models rejected because he lacks the expensive equipment needed. Fortunately, most aftermarket fobs can be programmable however it's best to talk to the dealer of your choice first to find out what their price is.

How do I get a new fob

If your key fob cannot be repaired, you might have to purchase a new one. Depending on the make and model, an auto locksmith or a dealership might be able to assist.  mobile key repair  will likely be the most expensive option for a replacement fob however, they'll have all of the necessary tools and software to program your vehicle correctly. Many independent locksmiths offer a new car key fob for an affordable price.

Before you decide to purchase a new fob, it is recommended to consider resetting your current device. The owner's guide should explain the correct method of reset. It is typically an orderly press which restores the factory settings.

It is an excellent idea to read the owner's manual and warranty information prior to deciding which place to go for a key fob replacement. If your car's warranty still in effect or you have an auto club or car insurance policy that covers bumper-to-bumper you could qualify for a reimbursement on the cost of replacing the fob.

Finding the best place to get the fob you need can be difficult. You may want to go to the dealer for this service if you are driving a brand new car and are looking to feel secure knowing that your key fobs work correctly. If you're looking for an option that is more affordable it is possible to find an independent locksmith who can provide the same services for a significantly lower price.

If you're not comfortable doing this type of work on your own, a professional locksmith can be a good option. They are trained and equipped to replace or reprogram all kinds of car key fobs and often they can do it quickly. Additionally, locksmiths will often visit your office or home to do the job which is practical for some. They can even cut and program keys on-site when you've lost keys, which is ideal for those who do not want to leave their vehicles unattended.