Car Remote Key Repair
Modern car remotes are convenient and useful, but can be frustrating when they stop functioning. There are a few quick fixes to make them work again.
First, try replacing the battery. Most fobs use lithium coin cells, which are inexpensive and easy to find.
Broken Electronics
Your car key remote has an electronic circuit board inside that transmits and interprets signals to your vehicle. If the board is damaged the key fob will not work correctly. Damage to the transmitter or receiver will require an auto-locksmith professional or your car dealer.
The majority of remote key fobs utilize lithium ion coin batteries that have a long shelf life but will not last for a long time. If you've used the batteries for a long time, changing them will probably solve your problem. You might be shocked if you've been using your remote for some time and the buttons do not respond in any way. This is the case even in the case of batteries that are new. Because the buttons on your key fob are subject to frequent jolts and rubbing, they may fail or cease to function over time. If this happens, removing the buttons and cleaning them prior to placing them back in place will usually resolve your issue.
If car key remote repair near me don't work, you may have to re-program it to work with the system in your car. This is usually done by turning the key in the ignition several times while the doors are shut. The method will vary based on the car's model and make, but you will be able to locate instructions online or consult a professional for assistance.
If the key fob is made of plastic, you can take off the cover by pulling it open. Be careful not to scratch the buttons or internal components. The best tool for this is a pair of needle-nose pliers with longer tips, which will more easily grasp small parts. Lubricating pliers with putty melted tallow or super glue will help them grasp delicate components. It's also a good idea to employ an automotive locksmith do this, since improper techniques can damage the electronic components within. If you try to forcefully break the fob off could cause damage to the plastic, and it's possible to accidentally break any buttons that are connected to it.
Faulty Transponder Chip
Transponder chips may malfunction if you've previously had the ability to start your car with the remote key, but you are unable to do so again. This is because your key relies upon this tiny electronic component to communicate with the immobilizer system. It sends the signal to the system to inform it that your key is valid and you'll be able start your vehicle. If the chip fails to transmit this signal, the immobilizer will disable your vehicle.
This issue is frequent in older vehicles, but can also happen in more modern models too. The transponder chip wears away over time. The chip can be repaired by a car locksmith however, it can be costly.
In certain cases, the chip in your key could be dead. In this instance the dealer will need to replace it. This is the most costly but necessary way to get your vehicle back on the road.
Another possibility is that the chip inside your key has become corrupted and it is unable to longer works properly with the immobilizer system. This can happen if the battery is changed or if your key is physically damaged. A Mesa locksmith for cars can solve this issue, but it may be necessary to visit the dealer in order to have your key programmed again.
If you're having problems with your remote key the first thing to consider is a backup. If this doesn't solve the issue, take apart the key fob and do a visual examination. It is important to ensure that there are no buttons that appear to be damaged or loose. These parts get lots of use and may be jostled loose over time. It is best to have them welded in place by an expert if they are loose. This can often bring back the functionality of your key fob. This is particularly true for keys that were accidentally inserted into the wrong ignition lock cylinder.
Damaged Battery
If you've tried a new battery, but the key fob is still unable to work, there may be other issues. Fobs can be damaged by water or dropped or stepped on. Internal connections, like ones that connect to battery terminals in the remote, could also be damaged or disconnected. You may have to reprogram your key fob if you do not have a spare that is the same model and type.
Modern key fobs should be programmed to match the vehicle to ensure that only you can unlock the car's doors. This is an essential step to safeguard your vehicle and stop other people from using your key fob to gain access to your vehicle or cause electrical system issues. Certain engine error codes, or even normal wear and tear can alter the programming and stop your key fob from functioning. Professionals with the right equipment can reprogramme your key fob correctly.
It's also possible that the problem is with the buttons themselves and this could be a simpler fix than replacing the entire key fob. Key fobs usually come with rubberized buttons that could be damaged or loosen over time. If you are able to see that the buttons aren't damaged you can try adjusting them manually.
Open the fob that you are using to examine it, but be cautious. Some key fobs do not have a simple release mechanism. You may need an instrument or screwdriver to remove them. Some fobs are sealed, and are not openable without special tools. You'll have to take them to a dealer to have them professionally opened. You can utilize a spare keyfob of the same make and model to access the programming mode of your vehicle. Depending on your car it could involve closing and locking the doors, switching lights and other electronics off and on, and pressing a specific set of buttons in a specific sequence.
Failing Buttons
Mechanical damage could be the cause if the buttons on your key fob do not function or require you to press them forcefully. The key fob being dropped on concrete or accidentally hitting one of the buttons with a sharp object may impact the way it functions. If this is the case you'll need to remove the key fob and examine it carefully to check whether any buttons appear to be damaged or are out of the right place. A locksmith can fix it for you, if that's the case.
Failing buttons can be caused by dirt or crud trapped between the buttons. It is crucial to clean your keys frequently using a cotton swab soaked in alcohol. You may also need to clean the surfaces of the keys. It is also important to determine if the problem is with your car locks or the key fob. If you don't have an extra key, try the keys in a different vehicle to see if it works.
The condition of the battery will determine whether or not you need to change the programming of the key fob. If your keyfob does not function after replacing the batteries the terminal contacts of the battery may be damaged. Pressing the buttons on your key fob too many times while you're out of range or disconnecting your car battery can also deprogram the electronic key fob.
If the key fob is still not working after replacing the battery, you should get it reprogrammed with the car. This will be dependent on the particular vehicle model, but generally you'll need to manually lock and unlock the doors of your car, insert the key fob into the ignition, turn it to the accessory position, and then press the button on the remote. If this works the exterior and/or interior lights should flash. You can test the key fob in order to verify that it was successfully programmed. In rarer cases the key fob might not function due to problems with the door lock.