How to Repair a Remote Key
While most remote key fobs have amazing battery lives, they'll eventually run out of battery. Sometimes it's as easy as changing the batteries, however sometimes there are more serious problems.
A quick fix that can aid is to disassemble the remote by cleaning the buttons and moving them in and out. These steps could be all you require to get your key fob back in working order.
Battery
Car key remotes utilize CR2025 or CR2032 batteries and can usually be swapped out in the event that the device is functioning. If not then you can remove the fob and check the buttons and battery terminals to look for signs of wear or damaged parts. The terminals and buttons can be re-soldered back into place however you'll need be aware of the kind of battery is used by your fob.
If you're not sure if the battery is at fault, make use of a backup fob to start or unlock your vehicle. If it's possible do so, it's probably time to replace the primary fob. If not, a professional check is necessary to determine the reason it's not working properly. It could be a simple reconfiguration, or it may require other types of 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 typically comes with the button pad that is replaced. It is essential to choose an entirely new case since the original case is likely to be pretty grungy, and it is essential that the circuit board is placed correctly inside the case. The circuit board is what determines the function of the key fob. broken car key repair near me can test it by 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 could be loose over time or broken. Carefully soldering them back in place can often return the functionality of the keypad unless they snap off completely.
Buttons
IF your key fob buttons do not function anymore or are difficult to press you may need a dorman or motormite key housing replacement for your remote can be purchased for a low price online for your year/make and model. Then, you can take the circuit board from your old case and put it into the new one. You may have to slightly adjust the position of your circuit board on certain models. The black contact points of the buttons can be bonded to using aluminum foil and double-sided tape.
Programming
The key fob and receiver in your car are connected however this connection could be ruined. A professional will inspect the car to determine the make model, year and model. They will employ specialist equipment to re-pair or program the fob with a blank transponder chip (or clone a key in the event that it is possible). They will then test the remote to ensure that it works.
It is crucial to be careful when reprogramming the blank key, because the process is often complicated and different manufacturers have slightly different steps. It is also easy to miss a step or delay too long before leaving the programming mode, which is why it is recommended to work with an expert with a thorough understanding of the security system of your vehicle to reduce the chance of damaging your car. Some key programming tools can also detect diagnostic trouble codes in your vehicle. This can help you solve other issues.