Seat Alhambra Key Problems
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There are a myriad of reasons that the key fob may not function properly, such as a dead coin battery, water damage, receiver module issues, or signal interference. This article will guide you through the steps necessary to make sure it works.
Water Damage
If your seat alhambra key fob can withstand an wash cycle or bath in the pool or ocean then it is likely to have an amazing waterproof chip but be careful not to make this a routine since exposure to excessive water increases the risk of the key fob being damaged. If your key fob ceases to functioning after exposure to rain or clean tap water, take out the battery and wipe the electronic component with a towel. Allow it to dry completely before replacing the battery. If the battery is exposed to salt or soapy water it is recommended that you clean the chip with alcohol, isopropyl or electronic cleaner prior to trying to put the battery back in.
Faulty Receiver Module
If you have tried the battery of a button cell and the key fob doesn't lock or unlock then it's likely that the receiver module has found a fault. It's a relatively simple and affordable fix. You can disconnect the battery with 12 volts for a couple of minutes (first remove negative cable, then press the horn several times) to drain any remaining power. After that, you can reconnect it in reverse. Positive first followed by negative.
ESP Warning Light - If the ESP symbol flashes, this is normal. It indicates that you are driving over terrain with poor traction. This could be due to snow, gravel or surface water. If the ESP warning light is continuously blinking, it indicates that there is an error within the system. It is best to be diagnosed using a iCarsoft i908 Seat OBD Code Reader kit which will give you a specific fault description.
Dead Coin Battery
One of the most common reasons for the seat alhambra key not functioning is a dead coin battery. The key fob is powered by a tiny button cell battery which keeps it powered. Replace it with a new battery that has the same size, voltage and specifications as the original. If you are replacing the battery, ensure that you remove all metal retaining clips from the back of the key fob. Also make sure that the contact points are free of corrosion.
If the key fob was exposed to water, such as soapy or rain it is recommended to remove the battery and clean the electronic chip with isopropyl alcohol or an electronic cleaner prior to installing the new battery. The chip is sensitive to moisture and could be permanently damaged. If the key fob still doesn't work after replacing the battery, it may be necessary for you to replace the key fob.
Faulty Receiver Module
If your key fob has stopped working after replacing the battery, but it didn't perform, or stopped working suddenly your receiver module might be experiencing a problem. The receiver module is responsible to receive the radio frequency signals transmitted by the remote key fob and changing them into electrical signals that are then acted on by other modules in your car.
If the receiver module has suffered a malfunction that prevents it from responding to any of the commands received by your remote key fob. In this case, you will need to visit a dealer to reprogramme your key fob and new receiver module.
The key fob has rubber seals that prevent water from entering the chip inside. If you immerse the key fob in salty or soapy water, the chip inside could be damaged. You can attempt to clean the chip by applying isopropyl alcohol or electronic cleaner, but should your key fob isn't working after all this, you'll have to purchase a new one.
If the keys have been successfully paired, but your receiver module isn't working, you can try to restart all of the electronics on board by disconnecting the battery at 12 volts for couple of minutes. Connect the battery in reverse (negative cable to positive first). This resets all the on-board electronics and should restore their functionality.
Faulty Electronic Chip
The key fob is equipped with tiny electronic chips that transmits a signal to the receiver module every time the key is used. If the signal doesn't match the one the car has stored the immobilizer will turn off and stop the car from starting. If the key fob won't work and you aren't able to reprogram it, this could be due to an issue with the microchip.
The chip in the key fob is not an indefinite part of the device and could need to be replaced to get it to work again. The best way to do this is by removing the key from its housing and then using a pin or needle to contact each of the metal clips that hold it. You'll require replacement in the event that they have been damaged or damaged by corrosion. Make sure any replacement batteries are of the same size, voltage, and specification as the original.
The Seat Alhambra is a well-designed and popular car but, as with any car it can occasionally experience issues with particular components or equipment. For instance there are owners who have had problems with the climate control system, which can become faulty and stuck in a particular setting. Similarly, the infotainment system has also been recognized to malfunction and even freeze screens.