How to Repair a Remote Key
Even though most remote key fobs boast impressive battery life, they do eventually wear out. Some times it is as simple as replacing the batteries inside the device, but in other cases the problem can be more serious.
An easy fix that could help is dismantling the remote by cleaning the buttons and flexing them in and out. These methods could be all that you require to get your key fob working again.
Battery
If the fob is working you can replace the CR2025 or CR2032 battery. If not, examine the battery terminals or buttons to see if there are any missing parts. You should be able to solder the terminals and buttons back into their original positions. However, you will have to know the type of battery is used in your fob.
If the battery isn't the problem, try using an alternate key fob to see whether you can start or unlock your vehicle with it. If it's possible, it's probably time to replace your primary fob. If it's not require replacement, you'll need to have a professional examine it to find the issue. It could be as easy as reprogramming, or it could require other repairs. There's also the possibility that your vehicle forgotten your fob and isn't something you can fix yourself.
Case
The case of remote keys is the plastic case that surrounds it and usually comes with the replacement button pad. It is recommended to use the latest case since the original one case is likely to be quite filthy. Also, it is vital that the circuit board within the case is placed correctly. key repairs is what determines the function of the key fob. You can test it using a multimeter set to RF (radiofrequency) mode and a scanner that is tuned to the same frequency as the key fob.
car key fob repairs to check is the button contact points on the keypad. These might have become damaged or loose over time. Carefully soldering them back in their original position can usually restore them to their original function unless they break completely.
Buttons
If the buttons on your key fob aren't working anymore or are difficult to push, you can buy an alternative dorman or Motormite remote key housing on the internet at a an affordable cost for your model/year/make. Then, pop key fob repairs out of the old case and insert it into the new one. In some cases it may be necessary to adjust the board's position slightly. Then, you can use aluminum foil using double-sided tape to adhere it to the black contact points on the buttons.
Programming
The key fob and the receiver in your car are linked however this connection could be corrupted. A professional will inspect your car to determine the year, make, and model. They will then use special equipment to reconnect or program a blank transponder chip or fob (or copy the key if that is possible). They will then test the remote to confirm that it functions.
When programming blank keys it is crucial to take care. The process can be complicated and each manufacturer comes with different instructions. It is also easy to skip a step or wait too long before exiting the programming mode, so it is best to use an expert with a thorough understanding of your car's security system to avoid damaging the car. Certain programming tools that are essential to use can also detect diagnostic trouble codes on your vehicle. This can help you repair or troubleshoot other issues.
