How to Repair a Remote Key
Although most remote key fobs come with an impressive battery lifespan, they eventually get worn out. Sometimes it's simple to replace the batteries inside the device, however sometimes the issue can be more severe.
A quick fix that can aid is to disassemble the remote, cleaning the buttons and moving them in and out. These steps could be all you need to get your key fob working properly.
Battery
If the fob is still functioning you can replace the CR2025 or CR2032 battery. If it isn't, you can open the fob and check the batteries' terminals and buttons for any signs of looseness or broken parts. Often the terminals and buttons can be repaired by soldering them back into place however you'll need know exactly what type of battery is used by your fob.
If you're not sure if the battery is at fault you can use a backup fob to unlock or start your car. If you can, it's probably time to replace your primary fob. If car remote key repair near me doesn't require replacement, you'll require a professional inspect it to determine the problem. It could be a simple reset, or it could require other types of repair. There's also the possibility that your car has forgotten your fob and isn't something you can fix yourself.
Case Study
The case of remote keys is the plastic case that surrounds it and typically comes with the button pad replacement. It is essential to choose an entirely new case since the original case is likely to be a bit shabby and it is vital that the circuit board is set properly in the case. The circuit board is responsible for the operation of the key fob and is tested using a standard multimeter by setting it to the RF (radio frequency) mode and holding a radio scanner tuned to the same frequency that the key fob uses close to it, and listening for signals that pulsate upon pressing the button.
Another thing to look at is the button contact points on the keypad, which might have become loose or broken over time. Soldering them back in place will often allow them to return to their original function, in the event that they snap completely.
Buttons
If your key fob buttons do not function anymore or are difficult to press you may need a dorman or motormite key housing replacement for your remote can be purchased online for a reasonable price for the year, make and model of your. Then, take the circuit board from your old case and into the new one. You may have to slightly adjust the position of your circuit board for certain models. You can then apply aluminum foil and double-sided tape to adhere to the black contact points on the buttons.
Programming
The key fob and receiver inside your car are linked however this connection could be corrupted. A professional will assess the car to determine the make, year and model and make use of specialist equipment to repair or program a blank fob or transponder chip (or make a key replica should this be possible). They will then test the remote to make sure that it works.
When programming blank keys, it is important to be careful. The process is complicated and each manufacturer offers different instructions. It is also possible to miss a step, or take too long to exit the programming mode, so it is recommended to work with professionals with extensive knowledge of your car's security system to reduce the chance of harming the car. Certain programming tools that are essential to use can also read diagnostic trouble codes on your vehicle. This can help you repair or troubleshoot other issues.