How to Repair a Remote Key
Although many remote key fobs boast an impressive battery life, they will eventually degrade. Sometimes it's as simple as changing the batteries, but occasionally there are more serious issues.
One quick fix that may aid is to disassemble the remote by cleaning the buttons and flexing them in and out. These steps could be all you require to get your key fob working properly.
Battery
If the fob is still working, you can swap out the CR2025 or CR2032 battery. If it isn't then you can remove the fob and inspect the batteries' terminals and buttons for any indication of looseness or damaged parts. keys repair of the time, the buttons and terminals can be re-soldered back into place but you'll need be aware of the type of battery the fob is using.
If the battery isn't the issue, try using a backup key fob to see if you can unlock or start your car with it. If you are able to do so, it's time to replace the primary fob. If it doesn't, you will need to have a professional inspect it to determine the issue. It could be a simple reset, or it could require other types of repairs. It could also be that your vehicle has lost the fob. This is not something you can do on your own.
Case
The case of remote keys is the outer plastic housing and typically comes with the button pad replacement. repair car keys is best to use the latest case as the original will likely to be extremely grungy. Additionally, it is essential that the circuit board within the case is placed correctly. The circuit board is what is responsible for controlling the function of the key fob. You can test it with a multimeter set to RF (radiofrequency) mode and a radio scanner that is tuned to the same frequency as the key fob.
Another thing to look at is the contact points for buttons on the keypad. They might be loose or damaged in the course of time. Soldering them back into place can often restore them to full functionality, in the event that they break completely.
Buttons
If your key fob buttons aren't working anymore or are difficult to press, you can buy an alternative dorman or Motormite remote key housing on the internet at a an affordable cost for the model/year/make. Then, you can slide the circuit board out of your old case into the new one. In some cases it may be necessary to move the board slightly. The black contact points of the buttons can be adhered to with aluminum foil and double-sided tape.
Programming
The key fob is linked with the receiver of your vehicle. This connection can become corrupted. A professional will inspect your car to determine its year, make and model. They'll then use special equipment to reconnect or program the transponder chip with a blank fob (or clone the key, if possible). Then they test the remote to make sure that it works.
It is essential to be cautious when reprogramming the blank key, because the process is often complicated and different manufacturers require certain steps that are slightly different. It is easy to skip a step or wait too long to exit the programming mode. To reduce the chance of causing damage to your vehicle, it is best to employ an expert with extensive knowledge of the security system in your vehicle. Some key programming tools are also capable of reading diagnostic trouble codes from your vehicle. This can aid in repairing or resolving further problems.