how to repair car key fob to Repair Car Key Fobs
Although we put them through numerous times, key fobs are not indestructible. They are able to break down in different ways.
While the most common issue is a dead battery but other issues can be more serious. Luckily, most of these can be fixed with a quick DIY fix at home.
Dead Battery
A dead battery is the most frequent reason for a key fob that is not working. Fob batteries drain quickly, particularly if they're exposed to extreme temperatures, humidity or water. Keep an extra battery in your wallet in case you require it.
You can usually tell the moment the battery in your car key fob is dying by the fact that the LED light will cease to glow. It's also possible that your key fob will no longer work at the same distance it used to. In this scenario it might be necessary to re-program the key fob or even replace it entirely.
It is easy to replace a car keyfob battery. Find out the kind of battery used. The type should be engraved on the back of the fob. Google can help when you're not sure. Once you've found the kind of battery you want, open the key fob at the seam. You'll need a small flathead screwdriver or even your fingernail split the two halves. Remove the old battery and replace it with a new one. Then, insert the new battery so that the positive (+) face is facing the buttons on the fob.
Some drivers aren't aware that their fob has gone out of service until they lock or unlock their car, and the buttons no longer work. In some instances this issue can be resolved by reprogramming your fob, however, this can be expensive and time-consuming. You can also call roadside assistance to determine whether they are able to start your vehicle and get it back on the road.
If you have tried all of these options and your car is still unable to start, then it's time to contact a professional. A certified technician can determine the computer in your car needs reprogramming, or if the fob is only in need of an upgrade in battery. They can also suggest an auto shop that will replace your key fob. In the end, though, sometimes a brand new fob is the most effective solution.
Circuit Board Damage
A key fob is not indestructible, but it is able to withstand a lot of physical damage. The battery, circuit board, and buttons all get their fair share of wear and tear over the course of time and it's crucial to be aware and take care of them to ensure that your car key fob operating well.
Make sure that the battery still working in your key fob. If it is replaced, check if it fixes your issue. If not, you may require opening the key fob and clean the contact surfaces. It isn't easy to open certain key fobs since they don't have an easy release mechanism. You can harm your fob by trying take it apart. You can purchase a specific tool to open your key fob, however it is recommended to follow the instructions of the manufacturer to avoid damaging it.
A damaged or damaged key fob circuit board is a frequent issue. This can be caused by various factors, including dirt or moisture getting into the battery compartment. Software issues or even an unintentional firmware update may be the cause for this. If your key fob is not working, you may think about getting it reprogrammed. This can be done by a locksmith who specializes in this type of work.
Radio interference is another possible cause. It could happen if are other wireless devices operating on the same frequency your key fob, such radar detectors or home security systems. If this is the case, consult with other manufacturers of the device to make sure that your key fob isn't being affected by their signals.
It's also possible that your key fob has an issue with the switch or another electrical component that should be replaced. This is a harder fix however, there are guides online that explain how to fix it yourself. It is important to be cautious when you do this, as the circuit boards that are inside the key fob are tiny and are susceptible to breaking in the event of rough handling. If you're doing this yourself, ensure you use an SMT switch of good quality and put the switch in the correct position.
Buttons that are worn out
Car key fobs are subject to a lot wear and wear and tear. They're prone to being dropped and often spend a lot of time moving around in your pocket or purse. This jostling can sometimes cause buttons to wear out or become stuck. A simple adjustment can fix the issue.
Most modern key fobs have sensors that detect when they've been used. This is because they reduce the chances of someone stealing your vehicle. If the buttons on your key fob don't respond when pushed, that's an indication that they're worn-out and need to be replaced.
Key fobs also have an internal circuit board that sends signals to the car. These signals include commands to unlock and lock your car, as well as commands to start the engine. If the circuit board inside is damaged, your key fob may not unlock or start your engine. Generally, this kind of damage is caused by water, blunt force or something that scratches the circuit board.
You'll be able to tell that the buttons on your key fob are deteriorating when you press the buttons more than usual in order to get them working. Additionally the fob might cease transmitting signals to the car or have less range than it did prior to.
If you're unable get your key fob to unlock or start your car, it's important to contact a locksmith near you immediately. They'll be able to determine whether the key fob is damaged or the ignition cylinder has worn out.
Fortunately, most
remote control car key repairs key fob issues aren't a major or difficult issue. The best way to ensure you don't get caught off guard by a malfunctioning key fob is to keep a spare in your possession at all times. You'll never be stranded due to an issue with your key or a lost one. If you lose your spare key, a professional locksmith can rekey it to work with your vehicle's engine. They'll also be able to repair any internal damage that has been caused to your key fob.
Broken Case
The case of the key fob is more than protect the batteries and buttons. It also houses the circuit board responsible for performing all the electrical magic when you press the button on your key fob. The circuit board relays the signal from your keyfob to your car.
The key fob won't work if this board is damaged. A key fob that is dead may only need to be reprogrammed by your local auto locksmith or dealer.
Batteries could be the cause of your key fob not working. This is a simple solution that can be done at home by replacing the battery. You can find an alternative battery at your local auto parts shop or online. These batteries aren't only intended for key fobs.
There are several ways to open a key fob to get inside it, based on the kind. A quick internet search should identify the type of key fob yours is and what kind of battery it requires. You can then buy a new replacement and pop the old one out, and then put the new one into.
When repairing a broken key fob, the main concern is not to destroy the circuit or buttons more. When you try to break the fob using a sharp edge, such as a screwdriver could break the case or crack the plastic. A replacement case isn't expensive and you can buy the entire fob including the electronics on eBay or Amazon for under $40.
If your key fob won't work, you should check if you have damaged the circuit board or the batteries. If this is not the case, you can have it repaired quickly and inexpensively by an expert. If not, it may be time to replace the fob. Be sure to check the warranty on any fob replacement or used that you purchase online.