It's The Complete Guide To Remote Car Key Repair

· 5 min read
It's The Complete Guide To Remote Car Key Repair

Car Key Replacement Services

If your car's remote key fob stops working and you are left frustrated. Luckily, most automotive locksmiths and dealerships provide replacement car keys services that can get your key functioning properly.

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

Lost or Stolen Keys

It doesn't matter if lost it or left it on the counter at the grocery store. Luckily, most of these problems can be solved on your own, even without the help of a professional. You may need to replace the battery or the fob may have lost its pairing information -- both of which can be easily fixed.

Modern cars are equipped with remote control keys which communicate with the vehicle using an exclusive radio frequency. When the fob is working it transmits the signal that allows you to lock and unlock your vehicle remotely, as in starting the engine. The fob is not an electronic key. It isn't possible to have it cut in a hardware store and then use it to unlock your car. The latest fobs include transponders that need to be programmed in your car to make the keyless entry work.

The most common problem with a car key fob is that it has lost the connection with the vehicle. This can occur if the battery dies or there is a power failure. Although most modern cars offer the option of resetting the fob to restore its pairing, refer to the owner's manual to find instructions. If reseting the fob doesn't fix the problem it must be reprogrammed. This usually requires a trip to the dealership or an automotive locksmith.

A replacement fob purchase can be expensive and can take some time for the dealer to order and program it. Certain car insurance policies will cover the cost of a replacement however, if it's not covered, it's still worth getting in touch with the car's manufacturer or a local locksmith to inquire about having the fob replaced. You can save money and time by having a locksmith create a copy of the key in-person. Locksmiths can also cut you new keys and also replace the transponder chip. This will need to be synced to your car's receiver module.

Bad Battery

While modern car remotes are very convenient and offer a safer method of starting your car however, they can be a hassle when they stop functioning. Luckily, this is something that can be solved by replacing the battery inside 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 don't have any limitations in terms of their lifespan. However they do have a limit on their time. The battery of a remote key could wear out faster than normal if it is frequently used. This can be caused by being pushed or pressed too hard or exposed to moisture, which can cause corrosion.

The most common reason for the car key to not work properly is a worn or dead battery. This is the first thing you look into if your remote key has stopped functioning. Often, this will fix the problem, but if not, it is time to replace the battery.



A battery is typically bad because of oxidation or corrosion. It may also give acidic fumes or leaks of battery acid, which can cause poor connections between the terminals of the battery. This can be fixed by getting rid of the battery and cleaning the contacts using baking soda and water. After cleaning the connectors you can then solder them in place and test the remote.

While you are checking a dying or dead battery, it is also good to see the buttons that have stopped functioning. This could be a sign of a more serious problem with your remote. You will need to consult a professional to repair the issue. A specialist can tell you whether the remote is repairable or if it is required to be replaced completely. They can do this directly on the spot using an onboard procedure, or by connecting to your vehicle's OBD2 ports to create a key fob in a short time and securely.

Bad Transponder Chip

Similar to the way that the remote for your garage door sends a specific signal to its receptor so that it opens or closes and closes, the chip in your car key sends a unique code to the vehicle's computer system. This code tells the vehicle that it is the correct owner and blocks anyone else from starting the engine.

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

A transponder chip which has failed is another common sign. Your car won't lock if you use your key fob. If this happens, you'll need to manually lock your doors instead. This can be frustrating especially if your vehicle is already locked.

The transponder can not function If the battery inside the fob's battery is depleted. This will happen over time as the fob battery gradually loses its charge. Always keep a spare key fob in your pocket so you can recharge the battery when needed.

There are a variety of other issues that could arise with the transponder chip in your car however the ones mentioned above are the most frequent. Contact an auto locksmith as soon as possible if your key fob's battery is dead or if the chip that controls transponder has become defective. They can either reprogram the key or replace it entirely, depending on what is needed. A Queen Creek auto locksmith will be able to pinpoint the problem for you and offer a solution that is reliable. Usually they are less expensive than going to a dealer.

Pairings that are lost or corrupted

Your car key fob isn't indestructible, and it's not uncommon for them to become obsolete as time passes. However, there are easy fixes you can try to get your car's remote up and running.

The first thing you should do is try using an alternate key to unlock and lock your car. This will help to ensure that your fob isn't the issue and will also help to determine if there is a mechanical issue in the locks if it turns out to be an electrical issue.

Batteries are typically all that's needed to fix car key fobs. Replacing the batteries isn't expensive, and you can usually do it yourself, without professional equipment.

It is crucial to choose the right type of battery However. The majority of automotive fobs accept CR2025 and CR2032 batteries. However, some utilize different types. If you're not certain of the kind of battery your remote is using it is possible to check the label or examine the inside of.  remote key fob repair  will have a code written or printed on it. You can also use a multimeter in order to determine the voltage.

A different set of batteries could also be used. Sometimes,  car key fob repair  in the fob may be worn out or corroded over time and replacement could restore the functionality of the remote.

If the battery change doesn't work, you can clean the fob, and check that all the buttons are functioning. The car key fobs aren't indestructible and may become dirty if they are tossed around in pockets or purses. In some cases, simply removing and cleaning the buttons and flexing them back and out can help get your remote working again.

If you have tried all the steps on this list, and your car key fob still isn't working, you'll likely need to reprogramme it. Grays Locksmiths can do this for you, and they can also supply you with a brand-new or used replacement if necessary.