How to Fix a Skoda Superb Key Fob Not Working
A faulty key fob is an inconvenience, especially as it can hinder you from getting into your vehicle or even starting the car. The good news is that the majority of key fob issues can be fixed with a bit of troubleshooting some common sense.
Replace the battery first. This is the most common issue and can be resolved in just a few minutes.
Dead Coin Battery
If your key fob doesn't function the first thing you need to look at is the battery. If it's dead, the issue can be fixed take it off, replace it with a fresh one, and your key fob should start working properly. This is particularly important as the batteries in the key fob do not last very long and you'll likely need to replace them frequently, depending on how often you use the key fob.
If the new battery fails to fix the issue, there could be a problem with the key fob, which requires professional help. Key fobs may have a number of problems, including signal interference, worn out buttons, water damage, receiver modules, and a dead battery. It is beneficial to have a working spare key fob so that you can rule out any other possible causes.
The key fob's 12-volt battery is crucial for powering all of the on-board electronics including the remote keyless system and central locking system. If the battery is bad or has run out of charge and is not replaced, all electronic components of the board will fail and the remote keyless system will not function. To test the battery's 12 volts, disconnect it for a short period of time by taking off the negative cable first and then the positive cable. This will drain the remaining power from the circuit, and then reset it. The remote keyless system should now work again.
If you have an extra key fob, it's worth trying to re-programme the original one to see if it fixes the problem. Reprogramming the keyfob is straightforward and involves switching on the ignition, letting it stay on, pressing the unlock button five times with one second between each press, and waiting six seconds until the horn sounds.
Worn Buttons
No matter how well you care for your key fob it is likely to fail at some moment. Fortunately, the majority of key fob problems are not serious and can be easily fixed by replacing the battery. In certain situations, it may be necessary to replace the entire fob. Before you do so, it is important that the replacement battery has the same size and voltage as the original.
You can always use an additional fob to determine whether the issue is with the car or the fob. If it does not work it is likely the problem is with the vehicle and will require visit to the dealer to repair.
Over time the buttons on your key fob will be damaged and worn out. As a result, they can be erratic and stop functioning properly. This is most common when the key fob has been dropped or left in the rain. If this is the case, simply pressing the buttons gently can help restore their functionality.
You can also remove the battery and clean it with electronic cleaner or isopropyl. You should also make sure that the metal clips are tight and clean. This will ensure that the clips are in good alignment.
Another possible issue is interference with signals. This could be caused by radio transmitters in close proximity, objects, or even the weather. Your key fob might only work if close to your vehicle. The solution to this is to move away from the source of interference.
Water Damage
If you've taken your key fob for a swim or given it a bath in soapy water, if the electronics inside were damaged by moisture it may stop your key from working properly. It may cease to function completely or may only work when you are near the vehicle. Replace the battery first. This is a cheap and simple fix that can be accomplished by prying the transmitter housing apart using your thumb or a flathead screwdriver.
The battery in your key fob is responsible for sending signals to the receiver module, which is why it's vital that it's in good health. A battery that is not working will hinder the key fob's functioning properly.
If you have an extra key fob, make use of it to check whether the issue is related to your car's receiver module, or whether a battery should be replaced. This will allow you to determine if your skoda's key fob is the culprit or if you have a different issue that requires professional attention.
If you've tried the battery trick, but still cannot get your skoda key fob to function it could be due to an interference issue with the signal. This is a common problem and can be caused by many things such as other electronic devices that operate on the same frequency your car's remote. The interference can be caused by things such as bad weather or objects that interfere with radio waves. This type of problem is difficult to identify in some cases because it is not always obvious. If you find that your key fob is only working when it's near the vehicle, that's a good indication of a signal interference issue.
TheKeyLab
If your key fob doesn't work, it may be because the receiver module has developed an issue. This is the chip that communicates with the other modules of your vehicle to lock and unlock doors. If the chip becomes defective it will be required to replace it.
It could also be due to signal interference. If the transmitter of your key fob is too close to the transmitter, signals may interfere and cause it to cease functioning. This can include neighboring radio towers television or mobile phone antennas, or even appliances in the home. If you suspect this is the case, move your key fob away from all sources of interference, and see whether it works again.
Make sure that the clips made of metal that hold the key fob in place are not damaged or loose. The clips hold the battery and complete the circuit. If they're damaged or missing the battery will not receive power and the remote won't function. It is recommended to replace the battery with one with the same voltage and size to prevent damaging the key fob.
If your key fob does not work it could be because the keyfob has been exposed to salt or water. If the key fob is submerged in water, it's important to remove the battery and clean the chip using isopropyl alcohol or electronic cleaner. It's also crucial to make sure the chip is dry prior to installing it back into the key fob.
It can be a bit frustrating when the key fob you've purchased stops working. But, you can still drive your vehicle. In fact, it's a good idea carry a spare key fob in case of emergency.
Signal Interference
Sometimes your key fob can begin to show signs of issues that aren't directly related to the battery but can be caused by signals from other sources. This could be due to radio transmissions coming from other cars nearby wireless devices, or even key fobs. You can make use of an OBDII scanner to determine what's wrong and how to correct it.
If your car key fob is not working it could be a real pain to resolve. Fortunately, the majority of problems are relatively simple to identify and fix. However, there are some instances where a replacement for the key fob may be necessary.
The coin battery is the most commonly cited reason for a key fob not working. Although it is possible to re-charge the battery, it is generally more economical to replace it.
It is crucial to make sure that the new battery fits properly. If you're buying an entirely new button cell it is a good idea to purchase one with the same size and voltage as your original battery. If you purchase an unsuitable battery proper size, it could harm the inside of your key fob.
Other reasons why your key fob might not function could be due to damaged buttons, water damage or a poor connection. It is a good idea to have an extra key fob to verify that your key fob is working. If it does, this can indicate that the problem is confined to the fob that you use and not the car itself. If it doesn't, it could indicate a more serious problem.