How to Repair a Remote Key
While the majority of remote key fobs come with impressive battery lives they'll eventually run out of battery. Sometimes it's as simple as replacing the batteries inside the device but sometimes the issue could be more severe.
A quick fix that can help is taking apart the remote by cleaning the buttons and flexing them in and out. These steps could be all you need to get your key fob working again.
Battery
Car key remotes are powered by CR2025 or CR2032 batteries, and they can often be swapped out when the fob is functioning. If not then you can remove the fob and examine the buttons and battery terminals for any signs of looseness or broken parts. Often the terminals and buttons can be re-soldered back into place however you'll need be aware of the exact kind of battery is used by your fob.
If the battery isn't the problem you can try an alternate key fob and see whether you can unlock or start your vehicle with it. If it's possible, it's time to replace the primary fob. If not then you'll require a professional to examine it to find the problem. It could be as simple as reprogramming, or it could require other types of repairs. There's also the possibility that your vehicle lost your fob that you can fix on your own.
Case
The outer plastic enclosure of a remote is called the case. It typically comes with an additional button pad. It is essential to choose a new case, as the original one is likely to be pretty grungy and it is vital that the circuit board is installed properly in the case. The circuit board is what is responsible for controlling the function of the key fob. You can test it using an instrument 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 be loose over time, or even broken. Soldering them back to their original position will often allow them to return to their original functionality, except if they snap completely.
Buttons
If your key fob buttons aren't working or are difficult to push, you can purchase a replacement dorman or Motormite remote key housing online at an affordable cost for the model/year/make. Then, you can take the circuit board from your old case and put it into the new one. You may need to adjust the position of your circuit board for certain models. Then, you can use aluminum foil using double-sided tape to stick to the black contact points on the buttons.
Programming
The key fob and the receiver in your car are connected, but this connection can be corrupted. A professional will examine the vehicle to determine the make, year and model and use specialist equipment to re-pair or program an empty fob or transponder chip (or clone a key in the event that it is possible). They will then test the remote to ensure that it functions.
When programming car key repair , it is important to be careful. The process is complex and each manufacturer has different instructions. More Signup bonuses is easy to miss a crucial step or to take too long to exit the programming mode. To reduce the chance of damaging your vehicle it is recommended to work with an expert who has extensive knowledge of the security system of your vehicle. Certain programming tools can also be capable of reading diagnostic trouble codes from your vehicle. This can help repair or troubleshoot additional issues.