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What Freud Can Teach Us About Key Repair
How to Repair a Remote Key

Although most remote key fobs are equipped with impressive battery lives they'll eventually get worn out. Sometimes it's as simple as changing the batteries, but sometimes there are more serious problems.

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 that 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 not, you can look at the battery terminals and buttons to determine if there are any loose parts. Often the terminals and buttons can be soldered back in place but you'll need be aware of the type of battery the fob is using.

If the battery isn't the problem Try using an alternate key fob and see whether you can start or unlock your vehicle with it. If it's possible, it's time to replace your primary fob. If not then you'll require a professional examine it to find the issue. It could be a simple reprogramming, or it could require other types repair. You may also find that your car has lost the fob. This is not something you can tackle on your own.


Case Study

The case of a remote key is the plastic case that surrounds it and typically comes with a button pad replacement. It is important to use a new case as the original case is likely to be a bit shabby and it is vital that the circuit board is placed properly in the case. The circuit board controls the key fob's function. repair key can test it with a multimeter set to RF (radiofrequency) mode and a scanner that is tuned to the same frequency as the key fob.

Another thing to examine is the contact points for buttons on the keypad. These may have become loose or broken over time. Soldering them back into place can often restore them to full functionality, except if they snap completely.

Buttons

If the buttons on your key fob aren't working anymore or are difficult to push, you can purchase a replacement dorman or Motormite remote key housing online at a low price for your model/year/make. Then pop the circuit board out of your old case into the new. For certain models it may be necessary to adjust the position of the board slightly. You can then apply aluminum foil and double-sided tape to stick to the black contact points on the buttons.

Programming

The key fob is connected with the receiver inside your vehicle, and this connection could be damaged. A professional will inspect your car to determine the year, make, and model. They will then use specialist equipment to recouple or program the transponder chip with a blank fob (or duplicate the key if that is possible). They will then test the remote to confirm that it functions.

It is important to be cautious when programming a blank key, as the process can be a bit complicated and different manufacturers have distinct steps. It is easy to miss a key step or wait too long before exiting the programming mode. To avoid the risk of causing damage to your vehicle it is recommended to work with a professional who has vast knowledge of the security system of your vehicle. Certain key programming tools also have the capability of analyzing diagnostic trouble codes from your vehicle, which could aid in repairing or resolving additional problems.

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