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How to Repair a Remote Key
Even though most remote key fobs come with impressive battery life, they will eventually wear out. Sometimes it’s as simple as replacing the batteries, but occasionally there are more serious issues.
A quick fix that can help is taking apart the remote, cleaning the buttons and moving them in and out. These methods could be all you need to get your key fob back in working order.
Battery
If the fob continues to working, you can swap out the CR2025 or CR2032 battery. If it’s not accessible, you can take it off the fob and examine the batteries’ terminals and buttons to look for signs of wear or broken parts. It is usually possible to solder the buttons and terminals back into their original positions. However, you’ll be required to know which kind of battery is being used in the fob.
If you’re unsure whether the battery is at fault you can use a backup fob to unlock or start your vehicle. If it’s possible, it’s probably time to replace your primary fob. If it’s not, a professional inspection is required to determine why it’s not working properly. It could be a simple reprogramming, or it could require other types of repair. There’s also the possibility that your vehicle lost your fob and isn’t something you can fix yourself.
Case
The case of a remote key is the plastic case that surrounds it and usually comes with the button pad replacement. It is important to use a new case, as the original will probably be a bit shabby and it is crucial that the circuit board is placed correctly inside the case. The circuit board controls the key fob’s function. You can test it by using a multimeter set to RF (radiofrequency) mode, and a radio scanner that is tuned to the same frequency as the key fob.
Another thing to look at is the button contact points on the keypad. They could be loose or damaged in the course of time. Soldering them back in place can often restore them to their original function, in the event that they snap completely.
Buttons
If the buttons on your key fob aren’t working anymore or are difficult to press, you can buy a replacement dorman or Motormite remote key housing online at an affordable cost for your model/year/make. Then, you can slide the circuit board from your old case into the new. For certain models you may have to adjust the position of the board slightly. Then, you can use aluminum foil and double-sided tape to stick to the black contact points on the buttons.
Programming
The key fob and the receiver in your car are paired however, this connection may be corrupted. A professional will assess the car to determine the manufacturer, year model, year and model. They will use specialist equipment to re-pair or program an empty fob or transponder chip (or clone a key should this be possible). car key remote repair near me will then test the remote to confirm that it functions.
It is essential to be careful when reprogramming a blank key, as the process can be a bit complicated and different manufacturers have distinct steps. It is also possible to miss a step, or wait too long before exiting the programming mode, which is why it is recommended to hire professionals with extensive knowledge of the security system of your vehicle to reduce the chance of damaging your car. Certain programming tools also have the capability of analyzing diagnostic trouble codes from your vehicle, which can assist in fixing or resolving any further problems.