Seat Alhambra Key Problems
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There are a myriad of reasons that the key fob could not function properly, including a dead battery or damage to the receiver module, water problems or signal interference. This article will guide you through the steps necessary to get it working.
Water Damage
If your key fob for the seat Alhambra is able to withstand an wash cycle or a dip in an ocean or in a pool, then it is equipped with a waterproof chip. But be careful not to do this often because prolonged exposure to water increases the likelihood that the key fob will be damaged. If the key fob stops working after exposure to clean water from the tap or rain, just take out the battery, clean the electronic component with a towel and let it dry completely before putting it back into. If the battery is exposed to soapy or salty water it is recommended that you clean the chip with isopropyl alcohol or an electronic cleaner prior to attempting to put the battery back in.
Faulty Receiver Module
If you've tried a new battery for a button and the key fob does not lock or unlock, it is likely that the receiver module has developed a fault. The positive side is that this is a fairly easy and cost-effective fix. You can disconnect the 12 volt battery for just a few minutes (first take off 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 cable first, then negative.
ESP Warning Light - If the ESP symbol blinks, it is normal. It is a sign that you are driving on terrain that has poor traction. This could be due to gravel, snow or surface water. If the ESP light is constantly on, it means that there is a fault in the system. This can be diagnosed with a iCarsoft i908 seat OBD code reader kit. It will give you the full description of the problem.
Dead Coin Battery
A dead coin battery is one of the most frequent reasons for the seat alhambra keys to cease to function. The key fob is powered by a small button cell battery that keeps it running. It is recommended to replace it with a brand new one that has the same voltage, size and specifications as the original. If you're replacing the battery ensure that you remove all metal retaining clips from the back of the key fob. Also ensure that the contacts are clean and free of corrosion.
If the key fob has been exposed water, like soapy or rain, it's recommended that you remove the battery and clean the electronic chip with isopropyl alcohol or a electronic cleaner before putting in the new battery. The chip is sensitive to moisture and may be permanently damaged. If the key fob still isn't working after replacing the battery, it could be necessary to replace the key fob.
Faulty Receiver Module
If your key fob was not working after replacing the battery but it didn't perform, or suddenly stopped working the receiver module may have developed a problem. The receiver module receives the radio frequency signals from your remote keyfob and converts them into electrical commands which are then acted upon by other modules within the car.
If the receiver module is damaged it will not be able to accept any commands from your remote key fob. In this scenario you will require a dealer to reprogramme your key fob, and also install an additional receiver.
The key fob is fitted with rubber seals that block water from entering the electronic chip inside. If seat keys replacement dip the key fob into soapy or salty water, it could cause damage to the chip. If your key fob won't function, you can try cleaning the chip using isopropyl or an electronic cleaner.
If the keys are connected, but the receiver module is not working it is possible to restart all the electronics on board by disconnecting the 12-volt battery for a couple of minutes. Then, reconnect the battery in reverse order (negative cable first before positive). This will reset the onboard electronic and restore their functionality.
Faulty Electronic Chip
The key fob contains tiny electronic chips which transmits a signal the receiver module each time the key is used. If this signal does not coincide with the one stored by the car the immobilizer is able to shut off the engine and prevent the vehicle from beginning. If the key fob won't work and you are unable to reprogram it, this could be because of an issue with the microchip.
The chip in the key fob may need to be changed to allow it to function again. The best method to do this is by removing the key from its housing and using a pin or needle to contact each of the retaining clips made of steel. You will need to replace these in the event that they have been damaged or corrosion-prone. Make sure that any replacement batteries are of the same voltage, size, and specification as the original.
Seat Alhambra, a popular and well-designed model, may be troublesome due to certain components or equipment. For instance there are owners who have had issues with the automatic climate control system, which could become faulty and stuck in one specific setting. The infotainment system has also been found to malfunction and cause freeze screens.