Everything You Need To Know About Remote Car Key Repair Dos And Don'ts

· 5 min read
Everything You Need To Know About Remote Car Key Repair Dos And Don'ts

Car Key Replacement Services

If your car's remote key fob stops working, it can be frustrating. The majority of locksmiths and dealers in the automotive industry offer replacement keys for car keys that can bring your key back to its original working condition.

Before you rush to the dealership or a professional locksmith try a few easy steps at home first.

Lost or Stolen Keys

It doesn't matter if lost it or put it on the counter in the grocery store. Most of these problems are easily solved by you even if you're not an expert. You may require replacing the battery or the fob may be missing its pairing information, both are easily fixed.

Modern cars are equipped with remote controls that communicate with their vehicle via a radio frequency. When the fob is working, it sends out a signal allowing you to lock and unlock your car remotely, as well as starting the engine. The fob isn't a mechanical key and therefore you cannot have it cut at the hardware store and then use it to unlock your car. Newer fobs also have transponder chips that must be programmed to your particular car in order for the keyless entry to function.

The most frequent issue with a car fob is when it fails to connect with the vehicle. This can happen when the battery fails or it is triggered by something as simple as a power failure. Although most modern cars can reset the fob to restore its pairing, consult your owner's manual for instructions. If resetting the fob does not solve the issue it must be reprogrammed, which typically will require a trip to a dealership or automotive locksmith.



A replacement fob purchase can be costly, and it takes some time for the dealer to purchase and program it. Certain car insurance policies will cover the cost of replacing a fob, but if yours doesn't it's worth getting in touch with the car's manufacturer or a locksmith in your area to discuss getting the fob replaced. You can save time and money by having a locksmith make a copy of the key on site. A locksmith can also cut keys and replace the existing transponder chip. This will need to be synced with the receiver module of your vehicle.

Bad Battery

Modern car remotes are extremely convenient, and are a safe way to start a car. However, when they stop working, it can be a hassle. This is usually a problem that can be solved by replacing the battery on the key fob.

The batteries used in most modern remote key fobs are coin cells made of lithium ion. They are relatively inexpensive and have no limitations in terms of life. However, they do have a short lifespan. When a remote car key is in frequent use it is possible that the battery will be worn out faster than it would normally. This can be caused by being pushed or pressed too hard, or by being exposed to moisture, which could cause corrosion.

A dead or worn out battery is the main reason for a car key not working properly. This should be the first thing to check whether your remote key has stopped functioning. This will often fix the problem. If not, you may have to replace the battery.

A battery is typically damaged because of oxidation or corrosion. It could also be producing acidic fumes. This can result in weak connections between the battery's terminals. This can be fixed by taking the battery off and cleaning the contacts using baking soda and water. After cleaning the connectors, you can solder them back in place and test the remote.

While you are checking a dead or dying battery It is also a good idea to see the buttons that have stopped functioning. This could be a sign of a bigger issue with your remote. You'll need to consult a professional for repair. A specialist will be able to inform you if the remote is repairable or whether it is required to be replaced entirely. They can do this either on the spot with an onboard procedure or by connecting to your car's OBD2 ports to program a key fob quickly and safely.

Bad Transponder Chip

Similar to the way that the remote to your garage door sends a specific signal to its receiver so that it opens or closes the door, the chip in the car key transmits a unique code to your computer system of your vehicle. The car is informed that it is the legitimate owner and prevents anyone from running the engine without authorization.

When you try to start your car but it won't begin, it's an indication that your transponder is not working. This could be due to a variety of reasons, but it's typically a sign that it's time to get new car keys.

Another common sign that a transponder chip has gone bad is when your vehicle won't lock when you use the key fob. In this case, you'll need to lock your car manually. This can be a hassle particularly if your car is locked.

The transponder could stop working when the battery in the fob's battery is depleted. This can happen over time, because the fob battery slowly loses its charge. It is always a good idea to have an extra battery for the key fob in your possession, so that you can replace it if necessary.

There are many other issues that can arise from a car's transponder chip but the ones listed above are the most common. Contact an auto locksmith as soon as you can if your key fob's battery is dead or the transponder chip has become faulty. They can reprogram the key or replace it completely, depending on what's needed.  www.g28carkeys.co.uk/car-key-repairs-near-me/  will be able determine the problem and provide you with a reliable solution. They are usually more affordable than taking your vehicle to an auto dealer.

Corrupted or lost pairing

The key fob in your car isn't indestructible, and it's not uncommon to see them lose function as time passes. Luckily, there are some easy fixes you can try to get your car's remote back up and running.

The first thing you should try is using a backup key to unlock and lock your car. This will confirm that the fob is not the issue, and will also eliminate the possibility of an issue with the mechanical locks in the event it turns out to be electrical.

Often, car key fobs just need to have their batteries replaced. The cost of replacing the batteries isn't too expensive and you can do it yourself without any professional equipment.

It is crucial to choose the correct type of battery, however. The majority of automotive fobs accept CR2025 and CR2032 batteries. However, some might utilize different types of batteries. You can check the label on your remote, or examine the inside if you're not certain. The battery will have a number written or printed on it. You can also utilize a multimeter to determine the voltage.

A different pair of batteries could also be used. The batteries inside a remote can wear out or corrode over time. Replacing them may bring back its functionality.

If replacing the battery doesn't work, you can try cleaning out the fob and ensure all the buttons are functioning properly. Car key fobs don't last forever and may become dirty if they're used in pockets or purses. In certain cases, removing the buttons and flexing them in and out of them could bring your remote back to life.

If you've tried every step on this list, and your car key fob still doesn't work, you will likely need to reprogramme it. Grays Locksmiths can do this for you, and can also supply you with a brand new or used replacement if necessary.