How to Repair a Remote Key
Even though most remote key fobs have impressive battery life, they will eventually wear out. Sometimes it's as simple as changing the batteries, however sometimes there are more serious problems.
Take apart the remote and clean the buttons. Then bend them in and out. These techniques may be all you require to get your key fob back in working order.
Battery
If the fob is working it is possible to swap out the CR2025 or CR2032 battery. If not accessible, you can take it off the fob and check the battery terminals and buttons to look for signs of wear or damaged parts. Often the terminals and buttons can be repaired by soldering them back into place however you'll need be aware of the kind of battery your fob uses.
If you're unsure if the battery is at fault, use a backup fob to unlock or start your car. If it's possible, it's probably time to replace your primary fob. If not, a professional check is required to determine why it's not working correctly. car key remote repair could be a simple reconfiguration, or it may require other types repair. There's also the possibility that your car has lost your fob and isn't something you can fix on your own.
Case
The outer plastic enclosure of a remote is referred to as the case. It typically comes with an additional button pad. automotive key repair is crucial to get a new case as the original will probably be a bit shabby, and it is essential that the circuit board is set properly in the case. The circuit board is what is responsible for controlling the function of the key fob. You can test it by using a multimeter set to RF (radiofrequency) mode and a scanner that is tuned to the same frequency as the key fob.
Check the contact points of the buttons on the keypad. They may have become loose over time, or even broken. By carefully re-soldering them back into place will often restore the functionality of the keypad unless they snap off completely.
Buttons
If the buttons on your key fob don't work anymore or are difficult to press, a dorman or motormite key housing replacement for your remote can be bought inexpensively online for your year/make and model. Then, you can take the circuit board out of the old case and put it into the new one. You may have to slightly alter the position of the board on some models. The black contact points of buttons can be adhered to using aluminum foil and double-sided tape.
Programming
The key fob is linked with the receiver inside your vehicle and this connection can become corrupted. A professional will examine the vehicle to determine the make model, year and model. They will employ specialist equipment to re-pair or program the fob with a blank transponder chip (or duplicate a key in the event that it is possible). They will then test the remote to ensure that it works.
It is essential to be cautious when programming a blank key, as the process is often complicated and different manufacturers have slightly different steps. It is also possible to miss a step, or take too long to exit the programming mode, so it is best to use an expert with a thorough understanding of the security system of your vehicle to avoid harming the car. Some key programming tools can also identify diagnostic trouble codes on your vehicle. This can assist you to repair or troubleshoot other issues.