5 Reasons Seat Keys Replacement Is Actually A Beneficial Thing
Seat Alhambra Key Problems
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There are many reasons that the key fob might not work correctly, including dead battery or damage to the receiver module, water issues or signal interference. This article will walk you through the steps needed to get it working again.
Water Damage
If your seat alhambra key fob survives the wash cycle or a bath in the ocean or pool it's likely to have an amazing waterproof chip. However, do not make it a habit because exposure to water in excess increases the chance of the key fob getting damaged. If your key fob stops functioning after exposure to rain or clean tap water, unplug the battery and wipe the electronic component using a paper towel. Allow it to dry completely before replacing the battery. If the battery is exposed to soapy or salty water it is recommended to wash the chip using isopropyl alcohol or a electronic cleaner before attempting to put the battery back in.
Faulty Receiver Module
If the key fob does not lock or unlock after having replaced the button cell battery it could be that the receiver module is suffering from an issue. It's a fairly simple and affordable fix. You can disconnect the battery that is 12 volts for a few minutes (first take off the negative cable, then press the horn a few times) in order to drain any remaining power. Then, reconnect it in reverse. positive first, then negative cable later.
ESP Warning Light If the ESP warning light flashes, this is normal and indicates that the car is traveling over terrain in which the traction between the road surface and tyres isn't optimal, such as gravel, snow or a lot of surface water. If the ESP light is constantly flashing, it is a sign there is a problem with the system. This can be diagnosed with a iCarsoft i908 seat OBD code reader kit. It will provide an in-depth description of the fault.
Dead Coin Battery
One of the most common reasons for the seat alhambra key not working is a dead battery. The key fob has an insignificant button cell battery that is able to keep it powered. It should be replaced with a brand new one that has the same voltage, size, and specification as the original. If you are replacing the battery, ensure that you remove all metal clips from the back of the key fob. Also ensure that the contacts are clean and free of corrosion.
If the key fob was exposed to water (such as soapy or rain tap water) it is recommended that you remove and clean the chip using an electronic cleaner or isopropyl alcohol before installing a new battery. The chip is sensitive to moisture and could be permanently damaged. If the key fob still not working after replacing the battery, it may be necessary to replace the entire key fob.
Faulty Receiver Module
If your key fob stopped functioning after replacing the battery but it did not work, or suddenly stopped working the receiver module may have encountered a problem. The receiver module receives the radio frequency signals from your key fob's remote and converts them into electrical commands which are then used by other modules in the car.
If the receiver module has developed a fault, it will not respond to any of the commands issued by your remote key fob. In this instance it is necessary for a dealer to reprogram your key fob, and also install an additional receiver.
The key fob is encased with rubber to prevent water from leaking into the electronic chip. However, if you submerge the key fob in salted or soapy ocean water, the chips inside could be damaged. You can attempt to clean the chip by using isopropyl Alcohol to rub it or electronic cleaner, however If your key fob isn't working after this, you'll have to purchase a new one.
If the keys have been linked, but the receiver module is malfunctioning then you can restart all 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 electronic components onboard and bring them back to their original functionality.
A malfunctioning electronic chip
The key fob comes with a chip that transmits the signal from the key to the receiver module every time the key is used. If the signal doesn't match that stored by the car the immobilizer will stop the engine and stop the vehicle from beginning. However, if the fob isn't working, and you can't reprogram it then it could be due to a faulty chip.
The chip inside the key fob may have to be altered to allow it to function again. The most effective method for doing this is by removing the key from its housing and then using a pin needle to contact each of the metal retaining clips. If they are corroded or broken, you will require replacement in order for the remote control to work. Make sure that any replacement batteries are of the same size, voltage, and specification as the original.
The Seat Alhambra is a well-designed and popular model but, as with any car it is not without its challenges. issues with particular components or equipment. For instance, some owners have experienced issues with the auto climate control system, which could fail and become stuck in one particular setting. The infotainment system can also malfunction and freeze the screens.