Seat Alhambra Key Problems
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There are a number of reasons that the key fob might not work properly, including a dead battery or damage to the receiver module, water problems or signal interference. This article will guide you through the steps to get it back to working.
Water Damage
If your seat alhambra keyfob is able to survive washing cycles or a bath in the ocean or pool it's likely to have an amazing waterproof chip. However, do not use it regularly because exposure to water in excess increases the risk of the key fob getting damaged. If your key fob ceases to functioning after exposure to rain or clean tap water, unplug the battery and clean the electronic component with a paper towel. Allow it to dry completely before replacing the battery. If the key fob has been exposed to soapy or salty water it is recommended you clean the chip with isopropyl or electronic cleaner.
Faulty Receiver Module
If the key fob does not lock or unlock after you have replaced the battery in the button cell it is possible that the receiver module is suffering from a fault. The good thing is that this is a simple and affordable fix, you can simply remove the battery 12 volts for a few minutes (first take off the negative cable, then press the horn button multiple times) to eliminate any remaining electricity and then reconnect it in reverse order e.g. Positive first and then negative.
ESP Warning Light - If the ESP symbol is illuminated, this is normal. It means that you are driving on terrain that has poor traction. This could be due to snow, gravel or surface water. If the ESP light is always on, it is a sign that there is a flaw in the system. This can be identified with a iCarsoft i908 seat OBD code reader kit. It will provide a detailed fault description.
Dead Coin Battery
One of the most common reasons for the seat alhambra keys to stop working is a dead battery. The key fob is powered by a small button-cell battery. Replace it with a new battery that has the exact size, voltage, and specifications as the original. If This Webpage 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 clean and free of corrosion.
If the key fob was exposed to water (such as soapy tap water) it is recommended to remove and clean the chip using an electronic cleaner or isopropyl alcohol before installing a new battery. The chip can be permanently damaged by moisture. If the key fob isn't working 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 you replaced the battery and it did not help, or if it suddenly stopped working without notice it is possible that your receiver module might have developed an issue. The receiver module is responsible for absorbing the radio frequency signals transmitted by your remote key fob, and convert them into electrical signals which are then processed by other modules in your car.
If the receiver module has developed a fault and is unable to respond to any of the commands received by your remote key fob. In this scenario, a dealer will need to reprogramme the key fob and install an additional receiver.
The key fob is sealed by rubber to block water from leaking into the electronic chip. If you immerse the key fob in salted or soapy ocean water, the chip inside may be damaged. It is possible to clean the chip by using isopropyl Alcohol to rub it or electronic cleaner, but in the event that your key fob doesn't work after doing this, you'll have to purchase a new one.
If the keys are paired but the receiver module has developed a fault, you can try rebooting all the on-board electronics by removing the 12 volt battery for a few minutes. Then reconnect the battery in reverse order (negative cable first and then positive). This resets all the on-board electronics and should bring them back into operation.
Electronic Chip Faulty
The key fob is equipped with an electronic chip that sends a signal to the receiver module every time the key is used. If the signal isn't in line with the one that the car has stored, the immobilizer will disable and stop the vehicle from starting. However, if the fob is not working and you cannot reprogram it then it could be due to a defective chip.
The chip in the key fob is not a permanent part of the device, and might need to be replaced in order to get it to work again. The best way to do this is to remove the key from its housing and then using a pin needle to connect with each of the retaining clips made of steel. If the clips are corroded, or damaged, you'll need to replace them to allow the remote control to work. Make sure that any replacement batteries have the same size, voltage and specifications as the original.
The Seat Alhambra is a well-designed and popular car but, as with any car it may encounter problems with specific components or equipment. For instance, some owners have experienced issues with the auto climate control system, which may be faulty and get stuck in a particular setting. In the same way, the infotainment system has also been reported to malfunction and freeze screens.