5 Remote Car Key Repair Tips You Must Know About For 2023

· 5 min read
5 Remote Car Key Repair Tips You Must Know About For 2023

Car Key Replacement Services

When your car remote key fob isn't working it can be a frustrating. Most locksmiths and dealers for automotive offer replacement keys for car keys that can bring your key back to its original working condition.

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

Keys that were stolen or lost are not found

If you dropped it in the car, put it on the counter while you went into the grocery store or just plain lost it, not having your key fob is an enormous inconvenience. Most of these issues can be easily fixed by you, even if there's no need for an expert. You may require a replacement battery or the fob may not have the pairing information, both of which can be easily repaired.

Modern cars have remote control keys which communicate with the vehicle via the radio frequency of a specific. If your fob is in use, it sends out the signal that allows you to lock and unlock your vehicle remotely, as being able to start the engine. The fob is not a mechanical key. You can't cut it in a hardware shop and use it to unlock your car. The latest fobs also come with a transponder chip that must be programmed for your specific vehicle to allow keyless entry to function.

The most frequent issue with a car's key fob is that it has lost its connection with the vehicle. This can occur if the battery goes dead or there is an issue with the power. Check the owner's manual for the correct procedure. While most modern cars have the option to reset and re-establish the pairing, you must also refer to the manual. If resetting the fob doesn't solve the issue, it will need to be reprogrammed, which typically will require a trip to a dealership or automotive locksmith.

It's expensive to purchase a replacement fob for your key and it could take several days for a dealer to order it and program it. Certain car insurance policies will cover the cost of a replacement, but if yours doesn't it's still worth getting in touch with your vehicle's manufacturer or a local locksmith to inquire about getting the fob replaced. You can save time and money by having a locksmith make copies of the key in-person. A locksmith can also make you a new, working key and also replace your old transponder chip. This will require that the receiver module of your vehicle is connected to the vehicle.

Bad Battery

While modern car remotes are very convenient and provide a much more secure method to start your car but they can be frustrating when they stop working. Luckily, this is something that can be solved by replacing the battery in the key fob.

The batteries used in most modern remote key fobs are coin cells made of lithium ion. They are quite inexpensive and are not limited in their lifespan, but they have a limit to the length of time they can last. The battery of a remote key could get worn out faster than the normal if frequently used. This can happen when the battery is pushed or pressed too hard or exposed to moisture that can cause corrosion.


The most frequent reason for a car key not to function is a dead or worn-out battery. If your remote key is not working, you must check this first. In most cases, this will resolve the issue however, if it doesn't, it is time to get a replacement battery.

A battery is typically damaged due to oxidation or corrosive corrosion. It could also be leaking acid or emitting acidic fumes. This can result in weak connections between the battery terminals. You can fix this by removing the battery and cleaning the contacts with a baking soda solution and water. After cleaning, you can put the connectors back in place and test your remote again.

While you are checking a dying or dead battery It is also a good idea to see the buttons that have stopped functioning. This could indicate that there is a bigger problem with your remote and you'll have to contact a professional to repair it. A professional can tell you if your remote can be repaired or if it requires replacement completely. They can do this immediately using an onboard procedure or by connecting to your vehicle's OBD2 ports to program a key fob quickly and safely.

Bad Transponder Chip

The chip inside your car key sends an unique code to your vehicle's computer, in the same way that the remote control for your garage door sends signals to its receiver to shut or open it. The code informs the vehicle that it is the right owner and prevents anyone else from starting the engine.

One of the first indications that your transponder chip has gone bad is when you attempt to start your car but it refuses. This could be for various reasons but is usually an indication that you require an entirely new key.

A transponder chip which has failed is another sign. Your car won't lock if you use your key fob. In this situation you'll have to lock your vehicle manually. This can be a hassle particularly if your car is locked.

The transponder may stop working if the battery in the fob's battery is depleted. This will happen over time because the fob battery slowly loses its charge. Always keep an extra key fob on hand so you can recharge the battery if needed.

There are many other issues that could arise with the transponder chip in your car, but the ones listed above are the most common. If  broken car key repair  for your key fob is drained or the chip has failed it is important to call an auto locksmith in order to get the issue fixed as quickly as possible. They can reprogram the key, or replace it completely, depending on what's needed. A Queen Creek auto locksmith will be able to determine the problem for you and offer a solution that is reliable. They will generally be more cost-effective than taking your vehicle to a dealership.

Pairings that are corrupted or lost

The key fob in your car isn't indestructible, and it's not uncommon to see them lose function over time. There are fortunately, easy fixes that may help you get your car's remote functioning.

It is recommended to first lock and unlock the vehicle using an alternative key. This will ensure that the fob isn't the cause of the issue, and determine if there is any mechanical issues with the locks in the event it is found to be an electrical issue.

Often, key fobs for cars just need to have their battery replaced. It's not too expensive to replace the batteries, and you don't need any special equipment.

It is essential to select the right type of battery However, it is important to use the correct type of battery. The majority of automotive fobs accept CR2025 and CR2032 batteries. However, some might utilize different types of batteries. If you're unsure of the kind of battery your remote runs you can look up the label or examine the inside of. The battery will have a code stamped or printed on it. You can also make use of a multimeter to determine the voltage.

A different set of batteries could also be used. The batteries inside the remote could be damaged or worn out over time. Replacing them can bring back its functionality.

If changing the battery isn't working, try to clean out the fob and ensure all the buttons are working properly. Car key fobs can get pretty dirty from being bashed around in pockets and purses, and they aren't indestructible. In some instances, taking out the buttons and flexing them in and out of them could bring your remote back to life.

If you've tried everything listed here and your car key fob is still not working, you'll probably require it to be reset by an expert. Grays Locksmiths can do this for you, and can also provide you with a new or used replacement if necessary.