Seat Alhambra Key Problems
Seat's jumbo MPV family is among the top models in its class when it comes down to resales value. And with a new generation model now on sale it's even more impressive.
There are many reasons why your key fob could not function properly, including a dead battery, water damage, receiver module issues or signal interference. This article will guide you through the steps to fix it.
Water Damage
If your key fob for the seat alhambra can withstand an wash cycle or a dip in the ocean or in a pool, then it is equipped with a waterproof chip. However, don't do it often because prolonged exposure to water can increase the likelihood of the key fob becoming damaged. If the key fob stops functioning after exposure to clean water from the tap or rain then simply remove the battery, clean the electronic component using a paper towel and allow it to dry completely before putting the battery back into. In the event of exposure to salt or soapy water it is recommended to clean the chip with alcohol, isopropyl or electronic cleaner prior to attempting to insert the battery back in.
Faulty Receiver Module
If the key fob does not lock or unlock even after you've replaced the battery of the button, it is possible that the receiver module has an issue. The good news is that this is a simple and cost-effective fix. You can just remove the battery 12 volts for several minutes (first take off the negative cable and then press the horn button a few times) to eliminate any remaining electrical current and then reconnect it in reverse order e.g. positive cable first, then negative.
ESP Warning Light If the ESP warning light flashes, this is normal and means that the car is traveling on terrain that has traction issues between the road surface and the tyres is not ideal like snow, gravel or lots of surface water. If the ESP light is constantly on, it is a sign that there is a fault in 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 is powered by an insignificant button cell battery that is able to keep it powered. Replace it with a brand new battery with the same voltage, size and specification 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 corrosion-free.
If the key fob was exposed to water, like rain or soapy water, it's recommended that you take the battery off and clean the electronic chip with isopropyl alcohol or an electronic cleaner prior to putting in the new battery. The chip may be permanently damaged by moisture. 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 was not working after replacing the battery, but it did not work, or if it stopped working in a sudden manner the receiver module could be experiencing a problem. The receiver module receives radio frequency signals from the remote keyfob and converts them into electrical commands that are then followed by other modules inside the car.
If G28 is damaged it will not be able to accept any commands from your remote key fob. In this situation you'll be required to visit a service for reprogramming of your key fob and new receiver module.
The key fob is fitted with rubber seals to prevent water from entering the electronic chip inside. If you dip the key fob in soapy or salty water, it could damage the chip. You can try cleaning the chip by rub it with isopropyl alcohol or electronic cleaner, however should your key fob isn't working after this, you'll have to purchase a new one.
If the keys are connected but the receiver module has developed a fault you can try to reboot all electronics on board by removing the 12 volt battery for a short period of time. Connect the battery in reverse (negative cable to positive first). This will reset the on-board electronic circuits and restore their functionality.
Electronic chip that is malfunctioning
The key fob contains an electronic chip that transmits a message to the receiver module whenever the key is used. If the signal received does not match that stored by the car the immobilizer will shut down the engine and prevent the vehicle from starting. If, however, the key fob isn't working and you can't reprogram it this could be due a damaged chip.
The chip inside the key fob might need to be altered in order to get it working again. The most effective method for doing this is by removing the key from its housing and then using a pin needle to make contact with each of the metal retaining clips. If they are corroded or broken, you will have to replace them to allow the remote control to work. Make sure that any replacement batteries are of the same voltage, size and specifications as the original one.
The Seat Alhambra is a well-designed and popular car but like any other car it can occasionally experience problems with specific parts or equipment. For example, some owners have experienced problems with the climate control system, which can fail and become stuck in a particular setting. The infotainment system can also fail and cause freezing of the screens.