Seat Alhambra Key Problems
Seat's family MPV jumbo is among the top in the market when it comes to conserving resale value. And with a brand new model available it's even more impressive.
There are a variety of reasons why the key fob might not function properly including dead coin battery water damage, receiver module problems or signal interference. This article will walk you through the steps needed to get it back in working order.
Water Damage
If your seat alhambra keyfob is able to survive the wash cycle or a bath in the pool or ocean then it is likely to have an incredible waterproof chip, but be careful not to make this a routine as exposure to excessive water increases the chance of the key fob being damaged. If your key fob ceases to working after exposure to rain or clean tap water, unplug the battery and wipe the electronic component using a paper towel. Let it dry completely before replacing the battery. If the key fob was exposed to salty or soapy water, it is recommended that you clean the chip using isopropyl or electronic cleaner.
Faulty Receiver Module
If the key fob will not lock or unlock after you've replaced the battery for the button it could be that the receiver module is suffering from a fault. It's a simple and cost-effective fix. You can disconnect the battery with 12 volts for a couple of minutes (first remove negative cable, then press the horn a few times) to drain any remaining electricity. Then connect it in reverse. Positive first followed by negative.
ESP Warning Light - If the ESP warning light flashes, this is normal and means that the car is traveling on terrain in which the traction between the road surface and the tyres is not ideal like snow, gravel or a lot of surface water. If the ESP light is constantly on, it is a sign that there is a problem in the system. This can be diagnosed by using an iCarsoft i908 seat OBD code reader kit. It will provide detailed information about the fault.
Dead Coin Battery
A dead coin battery is among the most common reasons for the keys for the seat to stop working. The key fob is powered by a small button-cell battery. Replace it with a brand new battery that is the same dimensions, voltage and specs as the original. If G28 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 was exposed to water (such as soapy tap water), it is recommended that you remove and clean the chip with an electronic cleaner or isopropylethanol before installing a brand new battery. The chip can be permanently damaged by water. If the key fob is still not working after replacing the battery, it might be necessary to replace the entire key fob.
Faulty Receiver Module
If your key fob has stopped working after replacing the battery but it did not work, or if it suddenly stopped working the receiver module could be experiencing a problem. The receiver module is responsible for capturing the radio frequency signals sent by your remote key fob and convert them into electrical signals that are then acted on 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 case, a dealer will need to reprogramme your key fob as well as install a new receiver.
The key fob is covered with rubber to keep water from entering the electronic chip. If you immerse the key fob in salted or soapy ocean water, the chip inside may be damaged. You can attempt to clean the chip by applying isopropyl alcohol or electronic cleaner, however If your key fob doesn't work after doing this, then you'll need to purchase a new one.
If the keys have been paired but the receiver module has developed a fault, you may try to restart all of the electronics on board by removing the 12 volt battery for a few minutes. Connect the battery in reverse (negative cable to positive first). This will reset the on-board electronic and restore their functionality.
Faulty electronic chip
The key fob is outfitted with a tiny chip that transmits the signal from the key to the receiver module every time the key is used. If the signal does not match the one that the car has stored the immobilizer will turn off and stop the car from starting. If the key fob doesn't work and you are unable to reprogram it, it could be because of an incompatible microchip.
The chip in the key fob could need to be changed to make it work again. This can be accomplished by removing the key fob from its housing, and using a needle or pin to connect with each metal retaining clip. You will have to replace them if they are damaged or damaged by corrosion. Make sure any replacement batteries are of the same size, voltage, and specification as the original.
Seat Alhambra is a popular and well-designed model, may have issues with certain components or equipment. A few owners have reported issues with the climate control system that is automatic. It may malfunction and be stuck in a specific setting. The infotainment system may also fail and freeze the screens.