15 Amazing Facts About Remote Car Key Repair You've Never Known

· 5 min read
15 Amazing Facts About Remote Car Key Repair You've Never Known

Car Key Replacement Services

If your car's remote key fob stops working, it can be frustrating. Luckily, most automotive locksmiths and dealerships offer replacement of your car key services that will get your key back to working properly.

Try a few easy things at home prior to heading to the dealer or locksmith.

Keys that were stolen or lost are not found

It doesn't matter if you lost it or left it on the counter in the grocery store. Fortunately, the majority of these issues can be fixed on your own, even without the assistance of a professional. You might require a replacement battery, or the fob could not have the pairing information, both of which can be easily repaired.

Modern cars use remote control keys that communicate with the vehicle by using the radio frequency of a specific. When the fob is working it sends an alert that allows you to lock and unlock your car remotely, as well as starting the engine. The fob isn't a key that can be used mechanically that's why you can't have it cut at a hardware store and used to open your car. The latest fobs include transponders that need to be programmed in your car to allow keyless entry work.

The most common problem with a car key fob is that it has lost its pairing with the vehicle. This can occur if the battery dies or there is a power failure. Refer to the owner's manual for instructions. While most modern cars can be reset and re-establish the pairing, you should also consult the manual. If resetting your fob does not solve the issue, then you'll need it changed to a different program. This usually requires visiting an automotive locksmith or dealership.

It's costly to purchase a replacement fob for the key, and it may take a while for a retailer to order it and program it. If your insurance policy doesn't cover the cost, it's still worth contacting the manufacturer of your vehicle or a locksmith to find out if you can have the fob replaced. You can save money and time by having a locksmith create an exact copy of the key in-person. A locksmith can also make you a working, new key and also replace your old transponder chip. This will require that the receiver module in your vehicle be connected to the vehicle.

Bad Battery

While modern car remotes are convenient and provide a much more secure method to start your car however, they can be a hassle when they stop working. This is usually something that can be fixed by replacing the battery on the key fob.

The batteries that are used in the majority of modern remote key fobs are lithium ion coin cells. They are relatively cheap and have no limitations in terms of their lifespan. However, they do have a limit on their lifespan. The battery of a remote key may get worn out faster than the normal if it is frequently used. This can be caused by being pushed or pressed hard or exposed to moisture, which could cause corrosion.

The most common reason for a car key to not work properly is a worn-out or dead battery. If your remote key isn't working, you should check this first. In most cases, this will resolve the issue but if not it's time to replace the battery.

Most of the time, a battery is bad due to corrosion or oxidation. It may also give off acidic fumes or leaking acid from the battery. This can cause poor connections between the terminals of the battery. You can fix this by taking the battery off and cleaning the contacts using a baking soda solution and water. After cleaning the connectors you can solder them back in place and test the remote.

When checking for a dead battery or one that is dying and you need to determine whether any buttons are not functioning. This could be a sign of a larger issue with your remote. You'll need to consult a professional to repair the issue. A specialist can inform you if the remote is repairable, or if it has to be replaced. It can be done directly on the spot using an onboard procedure or by connecting to your car's OBD2 ports to program a key fob quickly and securely.

Bad Transponder Chip

Similar to how the remote to your garage door transmits an exact signal to its receptor, so that it opens and closes, the chip inside your car key sends a unique code to your computer system in your car.  car key repairs near me  informs the car that it is the right owner and stops anyone from starting the engine without authorization.

One of the first signs that your transponder chip has been damaged is when you attempt to start your car, but it fails to start. This could be due to a variety of reasons, but it is often an indication that it's time to purchase new car keys.

Another sign that a transponder chip gone bad is when your car doesn't lock with the key fob. In this situation, you'll need to lock your car manually. This can be a hassle and unaffordable, particularly if you are already locked out of your car.

The transponder could stop working when the battery in your key fob is dead. This could happen over time, as the fob battery slowly loses its charge. It is always a good idea to have an extra battery for the key fob in the case that you can replace it as necessary.

There are many other problems with the transponder chip in cars, but these are the most prevalent. If the battery for your key fob is dead, or if the chip has failed, it's important to contact an auto locksmith in order to get the issue resolved quickly. They can reprogram the key, or replace it entirely, depending on what's needed. A Queen Creek auto locksmith will be able to identify the problem for you and provide a dependable solution. They will usually be more affordable than taking your vehicle to an auto dealer.

Corrupted or Lost Pairing

The key fob in your car isn't a piece of cake and it's not unusual to see them lose function over time. There are a few simple solutions you can attempt to get your remote back to working.

The first thing you must do is try using an additional key to lock and unlock your vehicle. This will ensure that the fob isn't the issue, and will also rule out a mechanical issue with the locks in the event it proves to be electrical.

Often, key fobs for cars require a batteries replaced. It's not too expensive to replace the batteries, and you don't require special equipment.

It is essential to select the right type of battery, however. The majority of automotive remotes accept CR2025 and CR2032 batteries. However, some might utilize different types of batteries. You can check the label on the remote or look inside if you are not sure. The battery will have a specific number stamped or printed on it. You can also utilize a multimeter to determine the voltage.

A different pair of batteries could also be used. Sometimes, the batteries inside the fob could become corroded or worn out over time and replacing them could restore the functionality of the remote.


If the battery change isn't working, you can clean the fob and ensure that all the buttons are working. Key fobs for cars can get quite dirty due to being thrown around in purses and pockets and aren't completely indestructible. In certain cases, removing and cleaning the buttons and bending them in and out will get your remote working again.

If you've tried every step in this list, but your car key fob still doesn't work, you will likely require it to be reprogrammed. Grays Locksmiths can do this for you, and will also be able to provide you with a brand-new or used replacement if necessary.