Car Remote Key Repair
Modern remotes for cars are useful and convenient, however they can be a hassle when they stop working. There are some quick solutions to get them working again.
Replace the battery first. The majority of fobs are powered by lithium coin cells. They are inexpensive and easily accessible.
Broken Electronics
The electronic circuit board inside the remote car key transmits and interprets signals to your vehicle. If the board is damaged, the key fob will not perform as it should. Damage to the transmitter or receiver will require a professional auto-locksmith or your dealer in your car.
Most remote key fobs use lithium ion coin batteries that have a long time-to-life, but won't last for long. If you've used the batteries for a long period of time, changing them will probably solve your issue. If you've been using your remote fob for a long time and you're surprised to discover that the buttons don't respond at all, even when the batteries are fresh. Because the buttons on your key fob get a lot of jostling and rubbing, they may fail or cease to function over time. If this is the case taking them off, cleaning them, and reseating them will often resolve the issue.
If the buttons on your remote aren't working, you might require reprogramming it to match the system of your car. This is usually done by turning the key in the ignition several times with the doors closed. The method will vary based on your car's model and make, but you should be able to find instructions online or contact 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 damage the buttons or other internal components. The best tool for this is pliers with needle-nose tips with longer tips that can better grasp small components. Lubricating pliers with putty super glue or melted tallow can help them grasp delicate components. This is something locksmiths in the automotive industry can do, as incorrect techniques could damage the electronics. The plastic may break in the event that you take the fob apart with force. It is also possible that the buttons that are attached to it may be ripped off accidentally if try to forcefully break it.
A defective transponder chip
If you've been able to start your car using the remote key, but it's not working ever again, it could be a sign of a problem with the transponder chip. This is because the key relies on a small electronic component in order to communicate with the immobilizer system. car key repair near me signals the system that your key is legitimate and you should be in a position to start the engine. If the chip fails to correctly transmit this message the immobilizer is disabled for your vehicle.
This problem is more common in older cars, but it can also occur in newer vehicles. This is due to the transponder chip can wear out over time. The chip can be repaired by a car locksmith however, it can be costly.
In some instances the chip inside your key could be dead. In this situation the dealer will need to replace it. This is the most expensive option, however, it is often necessary in order to get your vehicle back on the road.
Another possibility is that the chip in your key has been damaged, which means it no longer works properly with the immobilizer system. This could happen if the battery is replaced or if the key is physically damaged. A Mesa car locksmith can sometimes repair this, however it may be necessary to go to the dealership if you need to get your key reprogrammed.
If you're having problems with your remote key, the first thing to consider is an alternative. If this does not solve the issue, take apart your key fob and perform a visual examination. It is important to ensure that there are no buttons that appear to be damaged or loose. These parts see frequent use and are easily lost over time. It's best to have them welded in place by an expert in case they're loose. This can often bring back the functionality of your key fob. This is particularly the case for keys that are accidentally inserted into the wrong ignition lock.
Damaged Battery
If the key fob still not working after you've tried a different one, it could be due to other problems. Fobs could be damaged by water or dropped or dropped or stepped on. Internal connections, including those that connect to the battery terminals on the remote, could also be damaged or disconnected. It's possible to reprogram the key fob, and this may be something you can tackle by yourself if have a spare fob from the same model and make.
Modern key fobs must be programmed to match your vehicle and ensure that only you can unlock the car doors. It's a necessary step to safeguard your vehicle and keep others from using your key fob to gain access to your car or cause problems with the electrical system. Some engine error codes, or even normal wear and tear, can corrupt the programming of your key fob. It's important to get your key fob reprogrammed correctly by a professional who is equipped with the appropriate equipment.
It's possible that the problem lies with the buttons that are a much simpler fix than replacing the entire key fob. Key fobs typically have rubberized buttons that are tossed around all the time and could break or get loose. If you're able to determine that the buttons aren't damaged you can try adjusting them manually.
It is best to open the key fob and take a look at it, but be careful. Some key fobs do not have a simple release mechanism. You might require a small tool or screwdriver to break them. Some are sealed and cannot be opened with the use of specialized tools. You'll likely need to go to a dealership to have it opened professionally. You can utilize a spare keyfob of the same model and make to access the programming mode of your car. This could require you to shut and lock the doors, turn on and off the lights and electronic devices, and then press a series of buttons in an order specific to your car.
Failing Buttons
If your key fob has buttons that do not work or require being pressed very hard to work it could be the result of mechanical damage. The key fob's functionality can be damaged by dropping it onto concrete or accidentally hitting a button with a sharp item. If this is the case you'll have to take the key fob apart and inspect it thoroughly to determine if any of the buttons appear be broken or out of the right place. If that is the case, a locksmith can repair it for you.
The accumulation of crud or dirt can cause buttons to fail. It is recommended to clean your keys fob using an swab of cotton that has been soaked in alcohol. You may have to scrub the surface on the keys. You should also determine if the issue is with your car locks or the key fob. If you don't have an extra key, try using the keys of a different vehicle to determine if it works.
If the key fob needs to be reprogrammed is also dependent on the condition of its battery. If the key fob you have is not able to function after replacing the batteries the terminal contacts of the battery may be damaged. You can also deprogram your electric key fob by pressing the buttons too frequently when you're out of range or disconnecting the battery in your car.
If the key fob does not work after replacing the battery, you must have it reprogrammed for your vehicle. It will depend on the specific vehicle model, but you'll generally require locking and unlocking the doors manually, insert the key into the ignition, set it to accessory, then hit the remote that is wireless. If this is working, the exterior and/or interior lights should flash. You can then retest your key fob to confirm that it has been successfully programmed with your vehicle. In rarer cases the key fob could stop working due to problems with the door locks.