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How to Fix a Key Fob That isn't Working

If your key fob isn't functioning There are a few simple steps that can fix it. The first step is to make sure that it's not your backup remote.

If the backup is able to lock and unlock your car key fob repairs doors then there is likely an issue with the main remote. Most car remote key failures are caused by circuitry or battery issues.

Battery

The battery inside a key car repair fob can wear out over time. It is relatively easy to change out a battery, although it is crucial to ensure that you use the right type that you can refer to your owner's manual, or contact the dealer of the manufacturer to find out the kind of battery you need. It is also important to check the battery compartment as dead batteries can leak caustic chemicals which can damage the remote key repairs. If changing the battery doesn't fix the problem, there may be other issues that require attention from a professional. If buttons are damaged or stuck, for example, it may be necessary disassemble the remote and rework each component. You can also try reprogramming the vehicle to recognize the new key fob.

Buttons

From repeated use, key fobs can become worn and dirty. It is not unusual for buttons to stop working, or to require a hefty press to make them work. This can be frustrating, especially when you are away from home and have to switch on your car. Fortunately, even worn out or malfunctioning buttons can often be fixed with a bit of time and a few items you might already have in the house.

First, ensure that the batteries are charged correctly and that the indentation on the back of the button is filled. Take the remote apart and look over the circuit board. Check for evidence of rust, or other signs the buttons are worn or damaged. For instance the paint that conducts electricity could be missing. Utilizing the Q-tip, dipped in alcohol, gently clean any membrane contacts that have damaged or have conductive paint missing. Avoid rubbing too hard since this could cause damage to the conductive paint and block the button from firing when the button is pressed.

Check the battery connector's terminals for loose solder connections. If this is the case, simply connecting them back could restore function to the button. The same method can be used to restore functionality to any other loose connections inside the fob.

In the end, if any of the buttons made of rubber on the front of the key fob have stopped functioning or require a hard press to work it is likely the graphite disks that are on the back of the button are wearing out and need to be replaced. This can be done by rubbing a pencil on the disks, which will bring the button back to working.

If all of this doesn't help or if the button still doesn't respond to a hard push It could be the case that the circuit board itself has gone bad. This can be fixed by a quick clean, and refitting, but it's recommended to have an additional fob on hand in the event that this method fails for you.

Circuitry

The circuit board inside your remote control could be dirty, regardless of whether the buttons on the key fob are working or not. This problem can be resolved through a thorough examination. The most frequent causes of dirty circuit boards is water and damaged cases. A damaged case could let water and other debris to get into the circuit board, which can cause it to short out. Water can also eat away at pins and connectors on the board called via's.

If you're handy enough to open your key fob, and you're not afraid of a little mess, we can take off the buttons and put new ones in their place. It's also worth checking the connections between the battery terminals. If they are loose, the buttons may not work or even become stuck in their down position. Soldering the terminals back into place is usually enough to return a malfunctioning fob to a working condition.

Non-remote key repair transponder chips

The non-remote chips that are sealed are more durable than their remote fobs, however they are susceptible to breaking if a hole is drilled in them, or if a repair car key door handle or lawnmower runs over them. Most of the time, non-remote transponder chips fail, and this can be blamed on an exploded fuse.

If you're handy enough to open up the sealed key fob and are willing to put up with the mess, you can remove the circuit board and test the fuse with a multimeter to ensure that it is functioning as intended. function. If you're not comfortable with this, go to your local Oreilly or hardware store and use their RF frequency tester. This will tell you whether the key fob is sending an RF signal.

Programming

Key fobs take a lot of abuse and aren't completely indestructible. They can break their connection with the receiver in your vehicle due to shocks or a low battery, which calls for changing the program. A professional auto key repair near me locksmith or the main dealer, can reprogram your keyfob to get it functioning again. If resetting or repairing your keyfob does not work it is possible to replace it.