Seat Alhambra Key Problems
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There are a myriad of 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 to make it work again.
Water Damage
If your key fob for the seat alhambra survives an wash cycle or dip in the ocean or in a pool, then it has a waterproof chip. But, you shouldn't do this often since prolonged exposure to water increases the chance that the key fob will be damaged. If your key fob ceases to working after exposure to rain or clean tap water, remove the battery and clean the electronic component with a towel. Let it dry completely before replacing the battery. If you are exposed to soapy or salty water, it is recommended to clean the chip using isopropyl alcohol or a electronic cleaner prior to attempting to insert the battery back in.
Faulty Receiver Module
If you have tried a new button cell battery and the key fob still does not lock or unlock, it's likely that your receiver module has discovered a problem. The good news is that it is a fairly easy repair that is inexpensive, you can disconnect the battery for several minutes (first remove the negative cable and press the horn button multiple times) to remove any remaining electric current, then reconnect it in reverse order e.g. Positive first followed by negative.
ESP Warning Light – If the ESP symbol blinks, it is normal. It indicates that you are driving on terrain that has poor traction. This could be caused by snow, gravel or surface water. If the ESP warning light remains shining, it is a sign that there is a glitch in the system and should be diagnosed using a iCarsoft i908 Seat OBD Code Reader which will give you a specific fault description.
Dead Coin Battery
One of the most frequent reasons for the seat alhambra key to stop working is a dead coin battery. The key fob is powered by tiny button cell batteries that keeps it powered. Replace it with a brand new battery that has the exact size, voltage and specifications as the original. When replacing the battery on the key fob, remove the metal clips and make sure that the contacts of the key fob are clean and free of corrosion.
If the key fob was exposed to water (such as soapy tap water) it is recommended that you remove and clean the chip using an electronic cleaner or isopropyl alcohol before installing a brand new battery. The chip may be permanently damaged by moisture. If the key fob still does not work after replacing the battery, it may be necessary for you to replace the key fob.
Faulty Receiver Module
If your key fob stopped working after you replaced the battery and it didn't help, or it suddenly stopped working in a sudden manner it is possible that your receiver module might have developed a fault. The receiver module is responsible for absorbing the radio frequency signals sent by your remote key fob and converting them into electrical commands that are then acted on by other modules in the car.
If the receiver module has a problem it will not take any commands from your remote key fob. In this situation the dealer will have to reprogram your key fob, and also install an additional receiver.
The key fob comes with rubber seals that stop water from entering the electronic chip inside. If you immerse your key fob in salted or soapy ocean water, the chips inside may be damaged. You can attempt to clean the chip by rub it with isopropyl alcohol or electronic cleaner, however if your key fob still isn't working after this, you'll have to buy a new one.
If the keys have been paired, but the receiver module isn't working it is possible to restart all the electronics on board by disconnecting the battery at 12 volts for couple of minutes. Then, reconnect the battery in reverse order (negative cable first before positive). This will reset the onboard electronic circuit and restore their functionality.
Faulty electronic chip
The key fob comes with a small chip that transmits an indication from the key to the receiver module every time the key is used. If the signal doesn't match the one recorded by the car, the immobilizer will disable the engine and stop the vehicle from beginning. If the key fob doesn't work and you are unable to reprogram it, it could be due to an issue with the microchip.
The chip in the key fob is not permanent to the device, and might need to be replaced in order to get it to work again. seat car key can be accomplished by taking the key fob away from its housing, and then using a needle or pin to make contact with each metal retaining clip. You will have to replace them if they are damaged or corrosion-prone. Make sure that the replacement batteries are the same size, voltage, and specification as the original.
Seat Alhambra is a well-known and well-designed model, could have problems with certain parts or components. There have been reports of problems with the climate control system that is automatic. It could fail and cause problems, and then get stuck in a particular setting. The infotainment system has also been found to malfunction and cause freeze screens.