Peugeot 208 Key Replacement
It is best to delegate the replacement of Peugeot 208 keys to auto locksmiths who have the necessary equipment and technical expertise. They can program and create keys faster and less expensive than dealerships.
If the key fob stopped locking or unlocking your doors, it is likely due to a dead coin battery. However, there are other reasons the key could be malfunctioning.
Dead Coin Battery
A dead battery in the coin compartment will stop your Peugeot 208 from locking or unlocking and cannot start the engine. If replacement peugeot key fob g28carkeys.co.uk is the scenario, you'll need make use of the backup starting procedure that is detailed in the owner's manual for your vehicle.
Another reason your 208 might not be starting is that the spark plugs are been worn down. The spark plugs are responsible for igniting the fuel which starts the engine. They are only able to last for a short time. If they are not used enough to last, they'll eventually fail.
There is a simple solution for this issue. Examine the voltage of your battery using a multimeter. If the voltage falls below 11,5 volts, then it's time to replace it. It is also necessary to clean the battery's contacts if it has corrosion. This can be done by removing the rubber cover from the two terminals of the battery, and then using a wirebrush to eliminate any damaged parts of the battery. You should then reconnect the cables that connect the positive and negative poles.
Water Damage
If your 208 does not start and the battery hasn't gone flat, you should look at the spark plugs. You may find that they are simply too dirty and do not spark. The spark plugs can be cleaned in the workshop.
Peugeot cars are equipped with a key with a transponder that is compatible with the immobiliser. This ensures that only the right key can turn the engine. If the chip inside the Peugeot key is damaged, then it will not transmit the correct signal to the vehicle.
This is a typical issue that can be caused by water damage. This is a common issue in warmer climates where the vehicle is exposed to snow or rain. In this situation, contact a trusted locksmith who has the tools and equipment required to reprogram the key. They will also have all the latest technology and machinery required to make a Peugeot smart key. The process should not take more than 15 minutes.
Contacts of the battery may be damaged.
Peugeot replaced the old transponder chips using a new version that makes use of electronic components that are mounted on a circuitboard. This new system works well when it's new, however, over time, the circuit boards start to deteriorate and stop working correctly.
This could prevent the immobiliser from working, so the vehicle won't start. If this happens it's a good idea get in touch with a Peugeot specialist or locksmith.
The most frequent issue is when the battery inside the key fob starts to die. This causes the blade of the key to stop feeding into your lock. A car locksmith will replace the battery, and then cut a fresh blade for you. This is a simple solution.
Faulty Receiver Module
It could be that the receiver module is malfunctioning when your Peugeot key fob isn't working after being dropped on the floor, exposed to a sudden rainstorm or accidentally washed. The receiver is responsible for transmitting radio frequency signals to the onboard computer which controls the centralized locking system in your Peugeot vehicle.
Rubber seals on the key fob block water from reaching the electronic chip. However, prolonged exposure to water could cause damage to these seals and the chip. Submerging the key fob into ocean water at the beach or throwing it into the pool could be particularly damaging due to the high salt content.

The module must be replaced if your Peugeot spare key no longer works. This should be done by a Peugeot specialist or expert auto locksmith. Peugeot keys like other cars are secured by an immobilizer system. This requires the right coding to start the car. This is why you must go with a knowledgeable Peugeot locksmith with the task of creating and programming the replacement.
Computer with a problem on board
The on-board computer inside your Peugeot is responsible for a variety of the systems in your car, from power windows to the airbags. The on-board computer will display a code when something goes wrong. The code will be stored in the system until the problem is resolved. Often, this will involve replacing the computer on board.
One of the main reasons for the light coming on is loose or corroded connections in the airbag sensor. This can be caused by wear and tear, age or exposure to moisture and salt. It is important to have this issue addressed as soon as you can, since the airbag malfunctioning could be dangerous in the event of an accident.
If your Peugeot is showing a card not detected error then the key battery inside the key fob could be weak or dead. This will stop the key fob sending a signal to disable your vehicle's immobilizer. Test this by pressing the unlock button on the key fob, and then trying to start your vehicle. If this fails it is likely that the battery must be replaced.