How to Repair a Remote Key
While the majority of remote key fobs have impressive battery lives they'll eventually get worn out. Sometimes it's as simple as replacing the batteries, but occasionally there are more serious problems.
A quick fix that can help is dismantling the remote, cleaning the buttons and flexing them in and out. These steps could be all you need to get the key fob working.
Battery
If the fob is still functioning, you can swap out the CR2025 or CR2032 battery. If it's not then you can remove the fob and inspect the buttons and battery terminals for any signs of looseness or damaged parts. You can usually solder the terminals and buttons back in place. However, you'll have to know the type of battery is used in your fob.
If Click At this website isn't the issue you can try an alternative key fob to see whether you are able to start or unlock your vehicle with it. If you can, then it's time to replace the primary fob. If not, a professional inspection is required to determine why it's not working correctly. It could be as simple as reprogramming it, or require other repairs. There's also the possibility that your vehicle has forgotten your fob that you can fix yourself.
Case
The outer plastic housing of a remote is referred to as the case. It usually comes with an additional button pad. It is essential to choose a new case as the original case is likely to be quite dirty and it is vital that the circuit board is set correctly inside the case. The circuit board is what determines the function of the key fob. You can test it with an instrument set to RF (radiofrequency) mode and a radio scanner that is tuned to the same frequency as the key fob.
Another thing to check is the contact points for buttons on the keypad. These might be loose or damaged in the course of time. A careful soldering process to put them back in place can often return them to full functionality unless they completely snap off.
Buttons
If your key fob buttons aren't working or are difficult to push, you can purchase a new dorman or motormite remote key housing on the internet at a a low cost for the model/year/make. Then, simply pop the circuit board from your old case into the new. In some cases it may be necessary to move the board slightly. You can then apply aluminum foil and double-sided tape to stick to the black contact points on the buttons.
Programming
The key fob and receiver inside your car are connected, but this connection can be ruined. A professional will inspect your car to determine its make, year, and model. They will then use special equipment to reconnect or program an unmodified transponder chip or fob (or duplicate the key, if possible). They will then test the remote to make sure that it functions.
It is important to be careful when reprogramming the blank key, because the process is often complicated and different brands require certain steps that are slightly different. It is also easy to miss a step or delay too long before leaving the programming mode, which is why it is best to use a professional with comprehensive knowledge of the security system of your vehicle to reduce the chance of damaging your car. Some key programming tools can also read diagnostic trouble codes in your vehicle. This can help you solve other issues.