How to Repair a Remote Key

While most remote key fobs have impressive battery lives they'll eventually run out of battery. Sometimes it's as simple as changing the batteries, however sometimes there are more serious issues.

(Image: https://www.thekeylab.co.uk/wp-content/uploads/sb-instagram-feed-images/310762719_174097598533869_2015889089625884380_nlow.jpg)One quick fix that may help is taking apart the remote and cleaning the buttons before stretching them out and in. These steps could be all you require to get your key fob back in working order.

Battery

If the fob is still functioning, you can swap out the CR2025 or CR2032 battery. If not, examine the battery terminals or buttons to determine if they are any missing parts. It is usually possible to solder the terminals and buttons back in place. However, you'll have to know the type of battery is installed in the fob.

If you're unsure if the battery is at fault, use a backup fob to start or unlock your car. If you can, then it's time to replace your primary fob. If it doesn't, you will need to have a professional examine it to find the problem. It could be a simple reconfiguration, or it may require other types repair. There's also the possibility that your vehicle forgotten 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 alternative button pad. It is recommended to use a brand new case, as the original will likely to be extremely filthy. It is crucial that the circuit board inside the case is correctly placed. The circuit board is responsible for the function of the key fob. It can be tested with a normal multimeter by setting it to RF (radio frequency) mode and then holding a radio scanner tuned to the same frequency the mobile key repair near me fob operates on next to it, watching for pulsing signals upon the button's presses.

Another thing to examine is the button contact points on the keypad. They may be loose or damaged in the course of time. By carefully re-soldering them back into their original position can usually restore them to full functionality unless they snap off completely.

Buttons

If your key fob buttons do not function anymore or are difficult to press for any reason, a motormite or dorman remote car key repair near me key housing replacement can be purchased for a low price online for the year/make/model you have. Then, take the circuit board out of the old case and insert it into the new one. For certain models you may have to adjust the position of the board slightly. The black contact points of the buttons can be adhered to aluminum foil using double-sided tape.

Programming

The key fob and the receiver in your car are paired however this connection could be corrupted. A professional will assess the car key repair to determine the make model, year and model. They will employ specialist equipment to re-pair or program an empty fob or transponder chip (or duplicate a key in the event that it is possible). Then, they test the remote to make sure that it works.

When programming blank keys, it is important to take care. The process is complicated and each manufacturer comes with different instructions. It is also possible to miss a step, or take too long to exit the programming mode, which is why it is best to use a professional with comprehensive knowledge of your car's security system to reduce the chance of damaging the car. Some key programming tools can also be capable of reading diagnostic trouble codes from your vehicle, which could aid in repairing or resolving other issues.