14 Misconceptions Common To Key Repair
How to Repair a Remote Key
Although most remote key fobs are equipped with excellent battery life, they will eventually wear out. Sometimes it's simple to replace the batteries in the device but sometimes the problem can be more serious.
An easy fix that could help is dismantling the remote by cleaning the buttons and stretching them out and in. These techniques may be all that you require to get your key fob back in working order.
Battery
If the fob is still functioning it is possible to swap out the CR2025 or CR2032 battery. If it's not accessible, you can take it off the fob and check the batteries' terminals and buttons to look for signs of wear or broken parts. It is usually possible 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 you're not sure if the battery is the issue, try using an alternate key fob to determine if you can start or unlock your vehicle with it. If you're able to do so, it's probably time to replace the primary fob. If not, a professional check is needed to figure out why it's not working correctly. It could be a simple reset, or it could require other types repair. There's also the possibility that your vehicle forgotten your fob that you can fix on your own.
Case Study
The case of a remote key is the plastic housing that covers the outside and typically comes with a replacement button pad. It is important to use an entirely new case since the original will probably be a bit shabby, and it is essential that the circuit board is installed properly in the case. The circuit board is responsible for the function of the key fob. It can be tested with a normal multimeter by setting it to the RF (radio frequency) mode and then holding a radio scanner tuned to the frequency the key fob is using close to it, and listening for pulsing signals when a the button's presses.
Examine the contact points of the buttons on the keypad. They may be loose over time or have been damaged. Soldering them back in place can often restore them to their original functionality, except if they snap completely.
Buttons
If your key fob buttons are no longer working or are difficult to push, you can buy a replacement dorman or Motormite remote key housing online for the lowest cost for your model/year/make. Then, pop the circuit board from your old case and put it into the new one. You may have to slightly alter the position of the circuit board for certain models. 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 is paired with the receiver inside your vehicle and this connection can be corrupted. A professional will inspect the vehicle to determine the make of the vehicle, year of manufacture and model. remote key fob repair employ specialist equipment to re-pair or program a blank fob or transponder chip (or make a key replica in the event that it is possible). They will then test the remote to ensure that it functions.
It is essential to be cautious when reprogramming an unprogrammed key, since the process is often complicated and different manufacturers have 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 hire a professional who has extensive knowledge of the security system in your vehicle. Some key programming tools can also detect diagnostic trouble codes in your vehicle. This will help you repair or troubleshoot other issues.