Peugeot 208 Key Replacement
Peugeot 208 key replacement is best left to professional auto locksmiths who have the appropriate tools and know-how. They can create and program keys faster and cheaper than dealers.
A dead battery for your coin is the most likely cause when your key fob stops locking or unlocking doors. However, there are many other possibilities that the key is malfunctioning.
Dead Coin Battery
A dead battery in the coin compartment will stop your Peugeot 208 from locking or unlocking and will not start the engine. In this scenario, you will need to make use of the alternative method for starting found in your vehicle's owner's manual.
Another reason your 208 might not start is because the spark plugs are been worn down. Spark plugs are what ignite the fuel to start the engine. They have a limited lifespan. They'll eventually break down if they aren't used frequently enough.
There is a simple solution to this issue. The best way to solve this issue is to test the voltage of your car battery with a multimeter. If the voltage is less than 11,5 volts, it's time to replace it. If the battery has corroded it is crucial to clean its contacts. This can be done by lifting the rubber covers that cover the two terminals of the battery and using wire brushes to clean any parts that are corroded from the battery. It is then time to reconnect your cables to connect the positive and negative poles.
Water Damage
If your 208 won't start and the battery is not running, then make sure whether the spark plugs are working. You might find that they are dirty and they don't spark. The spark plugs can be cleaned in the workshop.
Peugeot cars are equipped with a key with a transponder compatible with the immobiliser. This ensures that only the right key is able to turn the engine. If the chip inside the Peugeot key is damaged, it will not transmit the correct signal to the vehicle.
This is a frequent issue that can be caused by water damage. This is a typical issue in more cold climates where the car has been exposed to snow or rain. In this case, you need to contact a reliable locksmith who will have the tools and equipment required to reprogram the key. They will also have the most up-to-date technology and equipment needed to create the Peugeot 208 smart key. The process should not take more than 15 minutes.
Contacts to the battery are not working properly.
Peugeot replaced the transponder chips by introducing a new model that utilizes electronic components that are mounted on a circuitboard. The new system works great when it's new, but the circuit boards begin to degrade with time and stop working properly.
This could prevent the immobiliser from working, so your vehicle won't start. Contact an Peugeot specialist, or a locksmith, if this is the situation.
A common 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 locksmith from your car will replace the battery, and cut a new blade for you. This is a simple fix.
Faulty Receiver Module
It could be that the receiver module has a problem if your Peugeot key fob fails to function after being dropped on the floor, exposed to a sudden rainstorm or accidentally washed. The receiver module is responsible for transmitting radio frequencies to the onboard computer which regulates the central locking system of your Peugeot vehicle.
The rubber seals on the key fob keep water from reaching its electronic chip. Water can damage the chip in the event that it is exposed water for a prolonged period of period of. The high salt content in the pool or ocean water could cause damage to the key fob when it is submerged.
The module will need to be replaced if your Peugeot spare key does not work anymore. ignition is only done by a Peugeot specialist or expert auto locksmith. Unlike other cars, Peugeot keys are protected by an unique immobilizer system that requires the correct coding to start the engine. It is for this reason that you should only trust an authorized Peugeot locksmith to design and program the replacement.

Computer with a problem on board
The computer on the board of your Peugeot is responsible for many of the systems inside your car, from power windows to the airbags. When something goes wrong with these systems, it will usually display a code indicating the problem. This code will be saved in the system until the issue is fixed. Most often, this involves replacing the on-board computer.
One of the most common causes of the light flashing is loose or corroded connections within the airbag sensor. This could be due to wear and tear, age or exposure to salt and moisture. This issue must be addressed as soon as you can, since an airbag malfunctioning could be dangerous in case in the event of an accident.
If you encounter a card not found error on your Peugeot, the key battery inside the key fob might be weak or dead. This will stop the key fob from sending a signal to disable your vehicle's immobilizer. You can test this by pressing the unlock button on the key fob, then attempting to start your car. If this fails then the battery on the key needs to be replaced.